JB/ZQ 4718-2006
Size of countersink for fastener cheese head and external hexagon socket head cap screw (English Version)

Standard No.

JB/ZQ 4718-2006

Language

Chinese, Available in English version

Published By

Professional Standard - Machinery

Latest

JB/ZQ 4718-2006

Scope

This standard applies to "Hexagon socket head screws" (GB/T 70.1), "Slotted cylinder head screws" (GB/T 65), "Cross recessed cylinder head screws" (GB/T 822), "Hexagon socket head screws" Head Screws" (JB/ZQ 4352), "Thin Hexagon Socket Head Screws" (JB/ZQ 4725) Cylindrical Head Hexagon Screws, External Hexagon Head Bolts and Hexagonal Nuts.

JB/ZQ 4718-2006 history

• 1970 JB/ZQ 4718-2006 Size of countersink for fastener cheese head and external hexagon socket head cap screw