21.060.20 螺母 标准查询与下载

GB/T 6178-1986 1型六角开槽螺母A和B级

本标准规定了螺纹规格为M4～M36、A和B级的1型六角开槽螺母。A级用于D≤16的螺母；B级用于D>16的螺母。

Hexagon slotted and castle nuts,style 1--Product grades A and B

GB/T 1009-1978 螺母专用技术条件

Special technical conditions for nuts

GB/T 1007-1976 小六角较扁螺母

小六角较扁螺母

Small hexagon medium thin nuts

GB/T 61-1976 螺母 技术条件

Nuts--Technical requirements

T/FQIA 019-2023 六角法兰棘齿防松组合螺母

1　范围     本文件规定了六角法兰棘齿防松组合螺母的技术要求、试验方法、检验规则、标志、包装、贮存和保管。    本文件适用于螺纹规格为M18～M30,材质为优质合金结构钢的六角法兰棘齿防松组合螺母。 2 主要技术内容： 1  范围　 2  规范性引用文件　 3  术语和定义　 4  技术要求　 4.1  总体要求　 4.2  材料　 4.3  结构型式、主要尺寸　 4.4  机械性能　 4.5  螺纹　 4.6  脱碳层　 4.7  防松性能　 4.8  产品缺陷　 4.9  表面处理　 4.10  标识　 5  试验方法　 5.1  结构型式、主要尺寸　 5.2  机械性能　 5.3  螺纹检查　 5.4  脱碳层　 5.5  防松性能 　 5.6  表面处理　 6  检验规则　 6.1  总则　 6.2  组批　 6.3  检验项目　 6.4  型式检验　 6.5  判定规则 　 7  标志、包装、贮存和保管　

Hexagon flange ratched locking combination nut

ASTM A563/A563M-23 碳钢和合金钢螺母（英制和公制）标准规范

Standard Specification for Carbon and Alloy Steel Nuts (Inch and Metric)

BS EN ISO 4035:2023 紧固件 六角薄螺母（0 型）

Fasteners. Hexagon thin nuts (style 0)

BS EN ISO 8675:2023 紧固件 六角薄螺母（0 型），带细牙螺纹

Fasteners. Hexagon thin nuts (style 0), with fine pitch thread

BS EN ISO 4033:2023 紧固件 六角高螺母（2型）

Fasteners. Hexagon high nuts (style 2)

BS EN ISO 8673:2023 紧固件 六角普通螺母（类型 1），带细牙螺纹

Fasteners. Hexagon regular nuts (style 1), with fine pitch thread

T/QGCML 1609-2023 石油机械系列2H螺母

本文件规定了石油机械系列 2H 螺母（下文简称“螺母”）的术语和定义、材料、技术要求、检查、试验方法、标志。 本文件适用于以不锈钢和镍合金制造的，用于石油机械的 2H 螺母。

Petroleum machinery series 2H nut

ASTM F812/F812M-12(2022)e1 英制和公制系列螺母表面不连续性的标准规范

1.1  This specification establishes allowable limits for the various types of surface discontinuities that may occur during the manufacture and processing of metric-series nuts with nominal diameters 5 mm and larger and inch-series nuts with nominal diameters 1/4 in. and larger. 1.2  The values stated in either SI (metric) or inch-pound units are to be regarded separately as standard. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. 1.3  When the engineering requirements of the application necessitate control of surface discontinuities on nuts, the purchaser shall specify conformance to this ASTM specification in the original inquiry and purchase order. 1.3.1  When the engineering requirements of the application necessitate that surface discontinuities on nuts be controlled within limits closer than those specified in this specification, the purchaser shall specify the applicable limits in the original inquiry and purchase order. 1.4  The allowable limits established in this specification for metric nuts, with nominal diameters 5 to 24 mm inclusive, are essentially identical with requirements given in ISO/DIS 6157/II. There are no ISO standards for surface discontinuities on metric-series nuts with nominal diameters larger than 24 mm or on any inch-series nuts. 1.5  The following precautionary caveat pertains only to the test method portion, Section 7 , of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6  This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Specification for Surface Discontinuities of Nuts, Inch and Metric Series

BS EN ISO 4032:2023 紧固件 六角普通螺母（样式 1）

Fasteners. Hexagon regular nuts (style 1)

ISO 8673:2023 紧固件 六角普通螺母（类型 1） 带细牙螺纹

Fasteners — Hexagon regular nuts (style 1), with fine pitch thread

ISO 4035:2023 紧固件 六角薄螺母（0 型）

Fasteners — Hexagon thin nuts (style 0)

ISO 8675:2023 紧固件 六角薄螺母（0 型） 带细牙螺纹

Fasteners — Hexagon thin nuts (style 0), with fine pitch thread

ISO 4033:2023 紧固件 六角高螺母（类型 2）

Fasteners — Hexagon high nuts (style 2)

ISO 8674:2023 紧固件 六角高螺母（类型 2） 带细牙螺纹

Fasteners — Hexagon high nuts (style 2), with fine pitch thread

ISO 4032:2023 紧固件 六角普通螺母（样式 1）

Fasteners — Hexagon regular nuts (style 1)

ASTM A194/A194M-23 用于高压或高温或两者的螺栓的碳钢、合金钢和不锈钢螺母的标准规范

1.1 This specification2 covers a variety of carbon, alloy, and martensitic stainless steel nuts in the size range 1⁄4 through 4 in. and metric M12 through M100 nominal. It also covers austenitic stainless steel nuts in the size range 1⁄4 in. and M12 nominal and above. These nuts are intended for high-pressure or high-temperature service, or both. Grade substitutions without the purchaser’s permission are not allowed. 1.2 Bars from which the nuts are made shall be hot-wrought. The material may be further processed by centerless grinding or by cold drawing. Austenitic stainless steel may be solution annealed or annealed and strain-hardened. When annealed and strain hardened austenitic stainless steel is ordered in accordance with Supplementary Requirement S1, the purchaser should take special care to ensure that 8.2.2, Supplementary Requirement S1, and Appendix X1 are thoroughly understood. 1.3 Supplementary requirements of an optional nature are provided. These shall apply only when specified in the inquiry, contract, and order. 1.4 This specification is expressed in both inch-pound units and in SI units. However, unless the order specifies the applicable “M” specification designation (SI units), the material shall be furnished to inch-pound units. 1.5 The values stated in either inch-pound units or SI units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. Within the text, the SI units are shown in brackets. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Specification for Carbon Steel, Alloy Steel, and Stainless Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both