ASME/ANSI B18.2.3.10M-2003
Metric square head bolts
ASME/ANSI B18.2.3.10M-2003
Metric square head bolts with reduced shank
CNS 4699-1982
Square head bolts for wooden guide plates
CNS 3134-1981
Square head bolts (finished)
CNS 3135-1981
Square head bolts (semi-finished)
CNS 3136-1981
Square head bolts (regular)
CNS 3137-1981
Large square head bolts (regular)
GOST 21249-1-1996
75°Square head blunt bolts-Table1
GOST 21249-1-1996
60°Square head blunt bolts-Table1
GOST 21249-1-1996
45°Square head blunt bolts-Table1
GOST 21249-2-1996
75°Square head blunt bolts-Table2
GOST 21249-2-1996
60°Square head blunt bolts-Table2
GOST 21249-2-1996
45°Square head blunt bolts-Table2
GB/T 8-2021
Square head bolts