BS A 331:1998

September 1998

Standard Current

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

Main informations

BSI English standards

September 1998

8 p.

BS A 331:1998

49.030.20 Bolts, screws, studs

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