DIN 931 M1,6 to M39 hexagon head bolts Product grades A and B

PART THREAD HEXAGON HEAD SCREWS # 931

Fleld of application

This standard specifies requirements for M1.6 to M36hexagon head bolts assigned to product grade A for thread sizes up to and including M24 and lengths smaller than 10 d or 150mm, and assigned to product grade B for thread sizes above M24 or lengths exceeding 10d or 150mm.

lf, in special cases, bolts are to comply with specifications other than those given in this standard, e.g. regarding nominal iengths,these shall be selected in accordance with the appropriate standard.