GB/T 70.6-2020
Hexagon socket head cap screws－Fine pitch thread

Standard No.

GB/T 70.6-2020

Language

Chinese

Release Date

2020

Published By

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

Lastest

GB/T 70.6-2020

Scope

This part of GB/T70 specifies the type, size, technical conditions and marks of hexagon socket head cap screws. This part is applicable to thread nominal diameter d = 8 mm ~ 36 mm, fine thread, property class 8.8, 10.9, 12.9/12.9, A2 50, A2 70, A3 50, A3 70, A4 50, A4 70, A5 50 , A5 70, CU2 and CU3, hexagon socket head cap screws with product grade A. Refer to Appendix A for the reference quality of screws.

GB/T 70.6-2020 Referenced Document

• GB/T 1237 Designation system for fasteners
• GB/T 1237-2000 Designation system for fasteners
• GB/T 193 General purpose metric screw threads--General plan
• GB/T 193-2003 General purpose metric screw threads--General plan
• GB/T 2 Fasteners.Ends of parts with external thread
• GB/T 2-2016 Fasteners.Ends of parts with external thread
• GB/T 2516 General purpose metric screw threads--Limit deviations
• GB/T 2516-2003 General purpose metric screw threads--Limit deviations
• ISO 3269:2000 Fasteners - Acceptance inspection
• ISO 8991:1986 Designation system for fasteners
• ISO 9653 Adhesives - Test method for shear impact strength of adhesive bonds

GB/T 70.6-2020 history

• 2020 GB/T 70.6-2020 Hexagon socket head cap screws－Fine pitch thread

GB/T 70.6-2020 -All Parts