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Accuracy of the balance

Accuracy of the balance, Total:268 items.

In the international standard classification, Accuracy of the balance involves: Materials for aerospace construction, Machine tool systems, Woodworking equipment, Machine tools, Ventilators. Fans. Air-conditioners, Fasteners, Construction materials, Industrial automation systems, Linear and angular measurements, Non-metalliferous minerals, Gears, Shafts and couplings, Vibrations, shock and vibration measurements, Space systems and operations, Flexible drives and transmissions, Astronomy. Geodesy. Geography, Chipless working equipment, Thermodynamics and temperature measurements, Horology, Testing of metals, Products of the textile industry, Electronic tubes, Analytical chemistry, Particle size analysis. Sieving, Aerospace fluid systems and components, Quality, Metrology and measurement in general, Technical drawings, Construction industry, Structures of buildings, Bearings, Hand-held tools, Optics and optical measurements, Fasteners for aerospace construction.

German Institute for Standardization, Accuracy of the balance

DIN EN 6025:2021 Aerospace series - Plates - Aluminium alloy 2024 - Close tolerances flatness - Thickness - 6 mm < a ≤ 55 mm - Dimensions; German and English version EN 6025:2021
DIN ISO 2407:1999 Machine tools - Test conditions for internal cylindrical grinding machines with horizontal spindle - Testing of accuracy (ISO 2407:1997)
DIN ISO 2407:1999-12 Machine tools - Test conditions for internal cylindrical grinding machines with horizontal spindle - Testing of accuracy (ISO 2407:1997)
DIN 8257-2:1969 Jewels for fine mechanics; watch jewels, balance jewels
DIN ISO 1985:1999 Machine tools - Test conditions for surface grinding machines with vertical grinding wheel spindle and reciprocating table - Testing of the accuracy (ISO 1985:1998)
DIN EN 6128:2018-09 Aerospace series - Blind bolt, 100° flush head, high strength; German and English version EN 6128:2017

AT-ON, Accuracy of the balance

OENORM EN 6025-2021 Aerospace series - Plates - Aluminium alloy 2024 - Close tolerances flatness - Thickness - 6 mm < a <= 55 mm - Dimensions

IT-UNI, Accuracy of the balance

UNI EN 6025-2021 Aerospace series - Plates - Aluminium alloy 2024 - Close tolerances flatness - Thickness - 6 mm < a ≤ 55 mm - Dimensions

Association Francaise de Normalisation, Accuracy of the balance

NF L10-623*NF EN 6025:2021 Aerospace series - Plates - Aluminium alloy 2024 - Close tolerances flatness - Thickness - 6 mm < a less than or equal to 55 mm - Dimensions
NF E60-102:1976 Test conditions for numerical control parallel lathes. Testing of the accuracy.
NF E60-101*NF ISO 1708:1997 Acceptance conditions for general purpose parallel lathes. Testing of the accuracy.
NF E60-143*NF ISO 6481:2019 Test conditions for vertical surface type broaching machines - Testing of accuracy
NF ISO 1708:1997 Conditions de réception des tours parallèles d'usage général - Contrôle de la précision
NF ISO 4703:2001 Conditions d'essai des machines à rectifier les surfaces planes à deux montants - Machines à rectifier les glissières - Contrôle de la précision
NF ISO 1986-1:2014 Conditions d'essai des machines à rectifier les surfaces planes, à broche porte-meules à axe horizontal - Contrôle de l'exactitude - Partie 1 : machines avec une table jusqu'à 1 600 mm de long
NF E60-126*NF ISO 4703:2001 Test conditions for surface grinding machines with two columns - Machines for grinding slideways - Testing of the accuracy
NF E60-126:1984 Acceptance conditions for surface grinding machines with two columns. Machines for grinding slideways. Testing of the accuracy.
NF E51-004/A1*NF ISO 14694/A1:2011 Industrial fans - Specifications for balance quality and vibration levels - Amendment 1.
NF L22-490*NF EN 6128:2017 Aerospace series - Blind bolt, 100o flush head, high strength
NF E60-121:1985 Machine-tools. Surface grinding machines with horizontal grinding wheel spindel and reciprocating table. Acceptance conditions. Testing of accuracy.

Professional Standard - Machinery, Accuracy of the balance

JB/T 9937.2-1999 Gad tongs intended to be used in high precision machines Accuracy inspection
JB/T 9910.1-1999 Precision round surface grinding machines with horizontal spindle and rotary table Accuracy inspection
JB/T 4096-1999 Precision surface grinding machines with horizontal grinding wheel spindle and reciprocating table Accuracy inspection
JB/T 3313.3-1999 Plane milling machine Accuracy inspection
JB/T 9737.3-1999 High precision machine vise
JB/T 9070-1999 Fan balance accuracy for air conditioning
JB/T 1579-1999 Precision surface grinding machines with horizontal grinding wheel spindle and reciprocating table Accuracy inspection
JB/T 9937.1-1999 Gad tongs intended to be used in high precision machines parameters
JB/T 5758-1991 Horizontal mobile planer accuracy
JB/T 9936.2-1999 Gad tongs intended to be used in inclinable press Accuracy inspection
JB/T 9908.4-2014 Surface grinding machines with high precision horizontal wheel spindle and rotary table.Part 4: High precision tools.Testing of the accuracy
JB/T 3382.4-2014 Surface grinding machines with horizontal grinding wheel spindle and reciprocating table.Part 4: High accuracy machines.Testing of the accuracy
JB/T 9937.3-1999 Gad tongs intended to be used in high precision machines Technical conditions
JB/T 9908.3-1999 Surface grinding machines with horizontal spindle and rotary table Accuracy inspection
JB/T 9909.2-1999 Surface grinding machines with vertical spindle and rotary table Accuracy inspection
JB/T 3992-1999 Gear grinding machine with big flat-faced wheel Accuracy inspection
JB/T 9894.1-1999 Flat-face centre drilling lathes Accuracy inspection
JB/T 3313.2-2011 Surface milling machines.Part 2:Testing of the accuracy
JB/T 10602.2-2007 Double column surface grinding machines Part 2: Testing of the accuracy
JB/T 11570.1-2013 CNC flatness milling machine.Part 1: Testing of the accuracy
JB/T 54481-1999 Quality classification of high-precision machine vises
JB/T 3382.3-2014 Surface grinding machines with horizontal grinding wheel spindle and reciprocating table.Part 3: Precision machines.Testing of the accuracy
JB/T 9910.2-1999 Precision round surface grinding machines with horizontal spindle and rotary table Technical conditions
JB/T 5758.1-2008 Traverse head shaping machines.Part1:Testing of the accuracy
JB/T 9894.1-2015 Milling face and drilling center hole machines.Part1: Testing of the accuracy
JB/T 12397.3-2015 NC flat surface grinding machine of wide coated abrasive belt.Part 3: Testing of the accuracy
JB/T 9601-1999 Balance quality and technological specification for rotors of single-phase series motors intended to be used in electric tools
JB/T 9601-2013 Balance accuracy and process rule of single-phase series motor rotor for electric tools

CZ-CSN, Accuracy of the balance

CSN 20 0322-1963 Accuracy of horizontal boring machines.
CSN 21 0305-1970 Geometrie precision of horizontál
CSN 01 1410-1986 Balance quality of rigid rotors
CSN 17 7010-1974 Balance with non-automatic function of accuracy class 1 to 4. Basic metrological regulations
CSN 17 7070-1968 Precision lever balances and scales. Common regulations
CSN 20 0300 Cast.25-1986 Measurements of geometrical accuracy of machine tools.machine tools.Methods of measurement of parallelism of au axis to a plane
CSN 20 0300 Cast.12-1985 Measurements of geometrical accuracyof machine toolsComplex test methods of straightness
CSN ISO 2407:1992 Acceptance conditions for internal cylindrical grinding machines with horizontal spendle. Testing of accuracy
CSN 20 0347-1959
CSN 20 0346-1959
CSN 20 0300 Cast.15-1984 Measurements of geometrical accuracy of machine tools. Measuring methods. Com-plex measurement of parallelity and straightness of two plane surfaces on a test workpiece
CSN 21 0304-1989 Forming machines. Horizontal forging presses with vertical die parting face. Geometrical accuracy
CSN 17 0159-1962 Agate parta of scales. Flat rest
CSN 20 0300 Cast.26-1986 Measurements of geometrical accuracy of machine tools.machine tools.Methods of measurement of squareness of an axis to a plane
CSN 20 0300 Cast.10-1984 Measurements of geometrical accura-cy of machine tools. Measuring methods. Paralleíity of working unit movement direction to a plane or an axis
CSN 17 0153-1962 Agate parts of scales. Flat bearings
CSN 42 5522 Cast.1-1984 Hot-rolled flat bars normal and increased precision. Dimensions
CSN 20 0300 Cast.5-1984 Measurements of geometrical accuracy of machine tools Methods for squareness of two plane surfaces on test workepiece
CSN 25 2303-1987 Surface roughness. Calibration speciemens. Methods of verification
CSN 20 0318-1955
CSN 17 7123-1961 Balances. Flat double knife edges with

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Accuracy of the balance

GB/T 13569-1992 Woodworking machines--Surface planing machines with cutterblock for one side dressing--Accuracy tests
GB/T 4022-1983 Surface grinding machines with horizontal grinding wheel spindle and reciprocating table--Testing of accuracy
GB/T 6476-1986 Surface grinding machines with vertical grinding wheel spindle and reciprocating table--Testing of the accuracy
GB/T 14386-1993 Woodworking machines. Surface planing and thicknessing machines. Accuracy tests
GB/T 13569-2008 Woodworking machines.Surface planing machines with cutterblock for one-side dressing.Nomenclature and acceptance conditions
GB/T 6476-2007 Surface grinding machines with vertical grinding wheel spindle and reciprocating table- Testing of the accuracy
GB/T 16445-1996 Planar double-enveloping worm gearing accuracy
GB/T 14386-2008 Woodworking machines.Surface planing and thicknessing machines.Nomenclature and acceptance conditions
GB/T 5157-1985 Metallic powders--Determination of particle size distribution by method of sedimentation balance
GB/T 4022.1-2007 Surface grinding machines with horizontal grinding wheel spindle and reciprocating table- Testing of the accuracy- Part 1: Machines with a table surface length of up to 1600mm
GB 4022.1-2021 Accuracy inspection of horizontal axis rectangular table surface grinder Part 1: Machine tools with working table length up to 1600mm
GB/T 1830-1979 Determination of aluminium oxide content in tin concentrates--Chromazurol S photometric method

Korean Agency for Technology and Standards (KATS), Accuracy of the balance

KS B ISO 1708:2018 General purpose parallel lathes — Testing of the accuracy
KS B 4403-2010 Double column type plano - milling machines - Testing of the accuracy
KS B ISO 6481:2010 Acceptance conditions for vertical surface type broaching machines-Testing of accuracy
KS B ISO 6481:2013 Acceptance conditions for vertical surface type broaching machines－Testing of accuracy
KS B ISO 1985:2014 Test conditions for surface grinding machines with vertical grinding wheel spindle and reciprocating table — Testing of the accuracy
KS B ISO 1985:2007 Test conditions for surface grinding machines with vertical grinding wheel spindle and reciprocating table-Testing of the accuracy
KS B 4040-2001 Surface grinding machines with vertical grinding wheel spindle and rotary table-Testing of the accuracy
KS B ISO 1985:2016 Test conditions for surface grinding machines with vertical grinding wheel spindle and reciprocating table — Testing of the accuracy
KS B ISO 4703:2014 Test conditions for surface grinding machines with two columns — Machines for grinding slideways — Testing of the accuracy
KS B ISO 4703:2010 Test conditions for surface grinding machines with two columns-Machines for grinding slideways-Testing of the accuracy
KS B OIMLR 44-2006 Alcoholometers and alcohol hydrometers and thermometers for use in alcoholometry
KS A ISO 5725-6-2012(2022) Accuracy(trueness and precision) of measurement methods and results－Part 6：Use in practice of accuracy values
KS B ISO 1986-1:2014 Test conditions for surface grinding machines with horizontal grinding wheel spindle and reciprocating table-Testing of the accuracy-Part 1:Machines with a table length of up to 1 600 mm
KS B ISO 1986-1:2012 Test conditions for surface grinding machines with horizontal grinding wheel spindle and reciprocating table - Testing of the accuracy - Part 1: Machines with a table length of up to 1600 mm
KS B ISO 1986-1:2016 Test conditions for surface grinding machines with horizontal grinding wheel spindle and reciprocating table — Testing of the accuracy — Part 1: Machines with a table length of up to 1 600 mm
KS B 4050-2001(2011) Test code for performance and accuracy of computerizednumerically controlled table type drilling machines for plate
KS B 1412-2016 Accuracy for Bevel Gears
KS B ISO 1986-1:2021 Test conditions for surface grinding machines with horizontal grinding wheel spindle and reciprocating table — Testing of the accuracy — Part 1: Machines with table length of up to 1 600 mm
KS B ISO 1986-1-2016(2021) Test conditions for surface grinding machines with horizontal grinding wheel spindle and reciprocating table — Testing of the accuracy — Part 1: Machines with a table length of up to 1 600 mm
KS B ISO 4703:2019 Test conditions for surface grinding machines with two columns — Machines for grinding slideways — Testing of the accuracy
KS A ISO 5725-3-2012(2022) Accuracy(trueness and precision) of measurement methods and results－Part 3：lntermediate measures of the precision of a standard measurement method
KS B ISO 1985-2016(2021) Test conditions for surface grinding machines with vertical grinding wheel spindle and reciprocating table — Testing of the accuracy
KS A ISO 5725-5-2012(2017) Accuracy(trueness and precision) of measurement methods and results－Part 5：Alternative methods for the determination of the precision of a standard measurement method

KR-KS, Accuracy of the balance

KS B ISO 1708-2018 General purpose parallel lathes — Testing of the accuracy
KS B ISO 1708-2022 Acceptance conditions for general purpose parallel lathes — Testing of the accuracy
KS B ISO 6481-2010 Acceptance conditions for vertical surface type broaching machines－Testing of accuracy
KS B ISO 4703-2022 Test conditions for surface grinding machines with two columns — Machines for grinding slideways — Testing of the accuracy
KS B ISO 1984-1-2018(2023) Bed type milling machines — Testing of the accuracy — Part 1: Milling machines with horizontal spindle
KS B ISO 1986-1-2016 Test conditions for surface grinding machines with horizontal grinding wheel spindle and reciprocating table — Testing of the accuracy — Part 1: Machines with a table length of up to 1 600 mm
KS B ISO 1986-1-2021 Test conditions for surface grinding machines with horizontal grinding wheel spindle and reciprocating table — Testing of the accuracy — Part 1: Machines with table length of up to 1 600 mm
KS B ISO 4703-2019 Test conditions for surface grinding machines with two columns — Machines for grinding slideways — Testing of the accuracy

RO-ASRO, Accuracy of the balance

STAS 1671-1985 PARALLEL LATHES Testing of the accuracy
STAS 8246-1984 SURFACE PLANIXG MACHINES Accuracy spccilications
STAS 12952-1990 Working centers for milling with horizontal main spindle. Accuracy specifications
STAS 12030/7-1986 General use metal cutting machine-tools Test pieces for accuracy checking up COMPLEXE CHECKING METHOD OF PARALLELISM AND STRAI OUT- NESS OF TWO FLAT SURFACES
STAS 8648-1988 CUTTER BLOCKS FOR PLANING AND THICKNESSING MACHINES Geometrical accuracy and dynamic balancing specifications
STAS 13106-1992 Automatic multispindle horizontal chuck tooling lathes. Accuracy tests
STAS 1672/1-1992 Fixed columns horizontal boring and milling machines. Accuracy specifications
STAS 12449-1986 WORKING CENTERS WITH HORIZONTAL OR VERTICAL SPINDLE Prescriptions for working precision
STAS 1672/2-1981 FLOOR TYPE HORIZONTAL BORING AND MILLING MACHINES Accuracy tests

未注明发布机构, Accuracy of the balance

BS 869:1978(2012) Specification for Toolmakers’ flats and high precision surface plates

Defense Logistics Agency, Accuracy of the balance

DLA A-A-59119 VALID NOTICE 1-2003 LAPPING MACHINES, METAL WORKING, HIGH-PRECISION, FLAT SURFACE
DLA A-A-59119-1997 LAPPING MACHINES, METAL WORKING, HIGH-PRECISION, FLAT SURFACE
DLA A-A-50685 VALID NOTICE 3-2006 LEVEL, PRECISION MASTER, SINGLE FACE
DLA A-A-50685 VALID NOTICE 2-2001 LEVEL, PRECISION MASTER, SINGLE FACE
DLA A-A-50685 VALID NOTICE 1-1995 LEVEL, PRECISION MASTER, SINGLE FACE
DLA A-A-50685-1989 LEVEL, PRECISION MASTER, SINGLE FACE

CH-SNV, Accuracy of the balance

SN EN 6025-2021 Aerospace series - Plates - Aluminium alloy 2024 - Close tolerances flatness - Thickness - 6 mm

VN-TCVN, Accuracy of the balance

TCVN 3598-1981 Woodworking planning four-way machines.Standards of accuracy and rigidity
TCVN 7688-2007 Test conditions for internal cylindrical grinding machines with horizontal spindle.Testing of accuracy
TCVN 7691-2007 Test conditions for surface grinding machines with two columns.Machines for grinding slideways.Testing of the accuracy
TCVN 7683-1-2007 Test conditions for milling machine with table of variable height.Testing of the accuracy.Part 1: Machines with horiaontal spindle.
TCVN 3595-1981 Shapers. Standards of accuracy and rigidity

Taiwan Provincial Standard of the People's Republic of China, Accuracy of the balance

CNS 10230-1995 Test Code for Accuracy of Slicers
CNS 4300-1985 Test Code for Accuracy of Surface Grinding Machines with Horizontal Grinding Wheel Spindle and Reciprocating Table
CNS 4301-1985 Test Code for Accuracy of Surface Grinding Machines with Vertical Grinding Wheel Spindle and Rotary Table

Danish Standards Foundation, Accuracy of the balance

DS/EN 6025:2021 Aerospace series – Plates – Aluminium alloy 2024 – Close tolerances flatness – Thickness – 6 mm ≤ a ≤ 55 mm – Dimensions

PT-IPQ, Accuracy of the balance

机械电子工业部, Accuracy of the balance

JB 5758-1991 Horizontal Moving Bullhead Planer Accuracy

Japanese Industrial Standards Committee (JISC), Accuracy of the balance

JIS B 6211:1999 Internal cylindrical grinding machines with horizontal spindle -- Testing of the accuracy
JIS B 6202:1998 General purpose parallel lathes -- Testing of the accuracy
JIS B 6213:1999 Horizontal grinding wheel spindle and reciprocating table type surface grinding machines -- Testing of the accuracy
JIS B 6213:2006 Test conditions for surface grinding machines with horizontal grinding wheel spindle and reciprocating table -- Testing of the accuracy
JIS B 6211:2006 Test conditions for internal cylindrical grinding machines with horizontal spindle -- Testing of the accuracy
JIS B 6214:1996 Surface grinding machines with vertical grinding wheel spindle and rotary table -- Testing for the accuracy
JIS B 1514:1995 Rolling bearings -- Tolerances

Military Standard of the People's Republic of China-General Armament Department, Accuracy of the balance

GJB 4006A-2011 Assessment of spacecraft orbit determination accuracy
GJB 4006-2000 Spacecraft Orbit Determination Accuracy Assessment
GJB 1774-1993 Aerospace survey ship dock accuracy calibration
GJB 1774A-2003 Accuracy calibration method for aerospace survey ship dock
GJB 4006B-2019 Spacecraft orbit determination accuracy assessment method
GJB 4407-2002 Positioning accuracy detection method of aerospace remote sensing images
GJB 1381.2-1992 Accuracy assessment of missile spacecraft test external test equipment pulse radar

RU-GOST R, Accuracy of the balance

GOST 27-1988 Surface grinders with circular sliding table and vertical spindle. Basic dimensions. Standards of accuracy and rigidity
GOST 14801-1985 Flat-head rivets (high precision). Construction and dimensions
GOST 16929-1990 Straight cutting edge grinders for flat knives. Norms of accuracy
GOST 11968-1978 Woodworking equipment. Drum santing machine. Standards of accuracy
GOST 6819-1984 Horizontal semiautomatic multyspindle chucking lathes. Standards of accuracy and rigidity
GOST 14800-1985 Flat-protruding head rivets (high precision). Construction and dimensions
GOST 20082-1974 Concentrated natural chalk. Method of grain-size analysis
GOST 20076-2007 Vibration. Balancing machines. Description and evaluation methods
GOST 20076-1989 Balancing machines. Bazic parameters and dimensions. Standards of accuracy
GOST 14-1988 Surface grinders with circular table and horizontal spindle. Basic dimensions. Standards of accuracy
GOST 13135-1990 Surface grinders with rectangular table. Basic dimensions. Standards of accuracy
GOST 273-1990 Surface grinding machines with compound table and horizontal spindle. Basic dimensions. Standards of accuracy and rigidity
GOST 11074-1993 Hexagonal socket flat-point set screws. Product grades A and B. Specifications
GOST 23615-1979 System of ensuring accuracy of geometrical parameters in construction. Statistical analysis of accuracy
GOST 8.367-1979 State system for ensuring the uniformity of measurments. Reference gauge-blocks of the 1st and the 2nd accuracy orders and working gauge-blocks of 00 and 0 accuracy classes up to 1000 mm. Methods and means for verification
GOST 1477-1993 Flat-point straight slotted set screws. Product grades A and B. Specifications
GOST 21780-2006 System of ensuring the accuracy of geometrical parameters in construction. Accuracy calculation
GOST 23616-1979 System of ensuring of geometrical accuracy of parameters in construction. Control of accuracy
GOST 21780-1983 System of ensuring the accuracy of geometrical parameters in construction. Accuracy calculation

YU-JUS, Accuracy of the balance

JUS M.G4.010-1989 Mschine tools. Testingofaccuracy. Milling machines with horizonta! or vertical spindle, with table of fixed height
JUS M.G4.011-1989 Machine tools. Testing of accuracy. Milling machines with table of variable height, with horizonta! or vertical spindle
JUS ISO 1242:1992 Essential oils. Determination of the acid value

ES-UNE, Accuracy of the balance

UNE-EN 6025:2021 Aerospace series - Plates - Aluminium alloy 2024 - Close tolerances flatness - Thickness - 6 mm < a = 55 mm - Dimensions
UNE 18048:1983 ERRATUM PARALLEL INVOLUTE GEARS - ISO SYSTEM OF ACCUEACY.
UNE-EN 6128:2017 Aerospace series - Blind bolt, 100° flush head, high strength (Endorsed by Asociación Española de Normalización in November of 2017.)

Lithuanian Standards Office , Accuracy of the balance

LST EN 6025-2021 Aerospace series - Plates - Aluminium alloy 2024 - Close tolerances flatness - Thickness - 6 mm < a ? 55 mm - Dimensions

AENOR, Accuracy of the balance

UNE 18048:1983 PARALLEL INVOLUTE GEARS - ISO SYSTEM OF ACCURACY.
UNE-ISO 1708:2012 Acceptance conditions for general purpose parallel lathes -- Testing of the accuracy
UNE 40162-4:1975 PRECISION OF THE RESULTS OF THE TEST IN THE "AIR-FLOW" APPARATUS TO DETERMINE AVERAGE DIAMETER OF WOOL FIBRES.
UNE 84174:1995 ESSENTIAL OILS. EVALUATION OF THE ABSOLUTE AND RELATIVE DENSITY OF ESSENTIAL OILS. (ELECTRONIC DENSITYMETER METHOD).
UNE 15317:2004 Surface grinding machines with two columns. Machines for grinding slideways. Test conditions. Testing of the accuracy.
UNE 43346:1987 GLASS ALCOHOLOMETERS AND ALCOHOL HYDROMETERS NOT INCORPORATING A THERMOMETER

NO-SN, Accuracy of the balance

NS 5012-1977 Parallel involute gears - ISO system of accuracy
NS 5655-1980 Test conditions for precision lathes - Testing of accuracy

国家市场监督管理总局、中国国家标准化管理委员会, Accuracy of the balance

GB/T 6476-2021 Surface grinding machines with vertical grinding wheel spindle and reciprocating table—Testing of the accuracy
GB/T 4022.1-2021 Surface grinding machines with horizontal grinding wheel spindle and reciprocating table—Testing of the accuracy—Part 1：Machines with table surface length of up to 1600 mm

Professional Standard - Aviation, Accuracy of the balance

HB 5627-1981 Precision (r6) shear-resistant flat head high lock bolts
HB 5628-1981 Accuracy (fa) Shear Resistant Flat Head High Lock Bolts
HB 1-121-1974 Two-sided precision (dd) cylindrical head bolts cut flat on both sides
HB 1-120-1974 Two-sided precision (dc) cylindrical head bolts cut flat on both sides
HB 1-119-1974 Two-level accuracy (db) flattened cylinder head bolts on both sides
HB 1-123-1974 Two-level accuracy (dc) one side cut flat cylindrical head bolts
HB 1-144-1976 Two-sided precision (dc) cylindrical head bolts cut flat on both sides
HB 1-124-1974 Two-level accuracy (dd) one side cut flat cylinder head bolts
HB 1-145-1976 Two-sided precision (gb) cylindrical head bolts cut flat on both sides
HB 1-122-1974 Two-level precision (db) one side cut flat cylinder head bolts

工业和信息化部, Accuracy of the balance

JB/T 14238.1-2021 Surface Milling Machine Part 1: Accuracy Inspection
SJ/T 10943-2020 Density balance method for determination of particle size distribution of corundum powder for electric vacuum devices

American Society for Testing and Materials (ASTM), Accuracy of the balance

ASTM C550-10 Standard Test Method for Measuring Trueness and Squareness of Rigid Block and Board Thermal Insulation
ASTM C550-03 Standard Test Method for Measuring Trueness and Squareness of Rigid Block and Board Thermal Insulation
ASTM C550-15 Standard Test Method for Measuring Trueness and Squareness of Rigid Block and Board Thermal Insulation
ASTM D6859-11 Standard Test Method for Pile Thickness of Finished Level Pile Yarn Floor Coverings

International Organization for Standardization (ISO), Accuracy of the balance

ISO 6480:2019 Test conditions for horizontal internal type broaching machines — Testing of accuracy
ISO/TS 22591:2021 Space systems - Space-based services for a high accuracy positioning system with safety requirements
ISO 254:2011 Belt drives - Pulleys - Quality, finish and balance
ISO 1986:1974 Test conditions for surface grinding machines with horizontal grinding wheel spindle and reciprocating table — Testing of accuracy
ISO 4703:1977 Test conditions for surface grinding machines with two columns — Machines for grinding slideways — Testing of accuracy
ISO 4703:1984 Acceptance conditions for surface grinding machines with two columns; Machines for grinding slideways; Testing of accuracy
ISO 1985:1985 Acceptance conditions for surface grinding machines with vertical grinding wheel spindle and reciprocating table; Testing of accuracy
ISO 1986:1985 Acceptance conditions for surface grinding machines with horizontal grinding wheel spindle and reciprocating table; Testing of accuracy
ISO 10791-1:2015 Test conditions for machining centres - Part 1: Geometric tests for machines with horizontal spindle (horizontal Z-axis)
ISO 4801:1979 Glass alcoholometers and alcohol hydrometers not incorporating a thermometer
ISO 1985:2015 Machine tools - Test conditions for surface grinding machines with vertical grinding wheel spindle and reciprocating table - Testing of the accuracy
ISO 14694:2003/Amd 1:2010 Industrial fans - Specifications for balance quality and vibration levels; Amendment 1
ISO 1985:1974 Test conditions for surface grinding machines with vertical grinding wheel spindle and reciprocating table — Testing of accuracy

National Metrological Verification Regulations of the People's Republic of China, Accuracy of the balance

JJG 171-2016 Ralative Density Balance for Liquid
JJG 171-2004 Ralative Density Balance for Liquid

Natural Gas Processor's Association (NGPA), Accuracy of the balance

GPA TP-3-1973 Model for the Precise Calculation of Liquefied Natural Gas Densities

British Standards Institution (BSI), Accuracy of the balance

BS 869:1978 Specification for toolmakers' flats and high precision surface plates
BS ISO 14694:2003+A1:2011 Industrial fans. Specifications for balance quality and vibration levels
BS ISO 4703:2001 Test conditions for surface grinding machines with two columns - Machines for grinding slideways - Testing of the accuracy
BS ISO 1986-1:2001 Test conditions for surface grinding machines with horizontal grinding wheel spindle and reciprocating table - Testing of the accuracy - Machines with a table length of up to 1600mm
BS ISO 1986-1:2014 Test conditions for surface grinding machines with horizontal grinding wheel spindle and reciprocating table. Testing of the accuracy. Machines with table length of up to 1 600 mm
BS ISO 14952-6:2004 Space systems - Surface cleanliness of fluid systems - Precision-cleaning processes
BS ISO 1984-1:2001 Test conditions for manually controlled milling machines with table of fixed height - Testing of the accuracy - Machines with horizontal spindle
BS PD ISO/TS 22591:2021 Space systems. Space-based services for a high accuracy positioning system with safety requirements
PD ISO/TS 22591:2021 Space systems. Space-based services for a high accuracy positioning system with safety requirements
BS EN 6128:2017 Aerospace series. Blind bolt, 100 flush head, high strength

Professional Standard - Electron, Accuracy of the balance

SJ 20873/1-2003 Detail specifications for high accuracy horizon-meter for type CW-14
SJ/T 10943-1996 Test method for granulometric distribution of alundum powder for vacuum tubes - Density balance method

IN-BIS, Accuracy of the balance

HU-MSZT, Accuracy of the balance

SE-SIS, Accuracy of the balance

SIS SS-ISO 1708:1986 Test conditions for general purpose parallel lathes-Testing of the accuracy

BE-NBN, Accuracy of the balance

Hubei Provincial Standard of the People's Republic of China, Accuracy of the balance

DB42/T 1876-2022 Beidou high-precision location service platform technical requirements

ES-AENOR, Accuracy of the balance

CU-NC, Accuracy of the balance

NC 11-81-1985 Machine Tools. Parallel Surfacing and Screw-Cutting Lathes. Verification of Accuracy and Rigidity

工业和信息化部/国家能源局, Accuracy of the balance

JB/T 9908.3-2017 Surface grinding machines with horizontal spindle and rotary table Accuracy inspection
JB/T 9909.2-2017 Vertical axis rotary table surface grinder Part 2: Accuracy inspection

American National Standards Institute （ANSI), Accuracy of the balance

ANSI/ASME B18.2.9-2010 Straightness Gage and Gaging for Bolts and Screws

PL-PKN, Accuracy of the balance

PN D56231-1974 Woodworking machines Horizontal belt sanders with belt feed Test of accuracy
PN D56202-1986 Woodworking machines Thickness planing machines with rotary cutterblocks Arrnrarv tests

AGMA - American Gear Manufacturers Association, Accuracy of the balance

P84FTM5-1984 Manufacture of Precision Parallel Axis Gears

Standard Association of Australia （SAA）, Accuracy of the balance

AS 2054:1977 Spirit levels for use in precision engineering

Anhui Provincial Standard of the People's Republic of China, Accuracy of the balance

DB34/T 2267-2014 Particle Size Analysis Liquid Gravity Settling Balance Method

ASD-STAN - Aerospace and Defence Industries Association of Europe - Standardization, Accuracy of the balance

PREN 6127-2006 Aerospace series Blind bolt@ 100 degrees reduced flush head high strength (Edition P2)
PREN 6128-2006 Aerospace series Blind bolt@ 100° flush head@ high strength (Edition P 2)

ZA-SANS, Accuracy of the balance

SANS 5725-6:2009 Accuracy (trueness and precision) of measurement methods and results Part 6: Use in practice of accuracy values
SANS 10155:1980 Accuracy in buildings
SANS 5725-3:2009 Accuracy (trueness and precision) of measurement methods and results Part 3: Intermediate measures of the precision of a standard measurement method

GOSTR, Accuracy of the balance

GOST R 58943-2020 System of ensuring geometrical parameters accuracy in construction. Control of accuracy