BS A 331:1998

Bolts, reduced bihexagonal head, normal or pitch diameter shank, long length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1275 MPa. Dimensions.

STANDARD published on 15.9.1998

The information about the standard:

Designation standards: BS A 331:1998
Publication date standards: 15.9.1998
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: British technical standard
Category: Technical standards BS