BS A 312:1997 PDF

Published Date: 03/15/1997

Screws, pan head, internal offset cruciform ribbed or unribbed drive, stepped shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 MPa. Dimensions

Published Date: 03/15/1997

Screws, pan head, internal offset cruciform ribbed or unribbed drive, stepped shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 MPa. Dimensions

Published Date: 08/15/1998

Bolts, hexagon head, relieved shank, long thread, in heat resisting nickel base alloy NI-P101HT (Waspaloy). Classification: 1210 MPa (at ambient temperature)/730°C

Published Date: 01/01/1998