ASME/ANSI B18.2.1-1-2005

Square head bolts-Table1

Q 194B-2012

Small square head bolts

IS 2585-1968

Square head bolts

ASME/ANSI B18.2.3.10M-1996

Metric square head bolts

ASME/ANSI B18.2.3.10M-2003

Metric square head bolts

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

ASME/ANSI B18.2.1-1-1972

Square head bolts-Table1

ASME/ANSI B18.2.1-1-1965

Square head bolts-Table1

GB/T 8-2021

Square head bolts