ASME/ANSI B 18.5 - 2008 Round Head Square Neck Bolts,(Inch Series)

GB /T 12 - 2013

Cup Head Square Neck Bolts
Suppliers(1)

GB /T 12 - 1988

Cup head square neck bolts
Suppliers(1)

GB 12 - 1976

Semi-round head square neck bolts
Suppliers(1)

GB /T 794 (A) - 2021

Strenthened Cup Head Square Neck Bolts - Type A

GB /T 794 (B) - 2021

Strenthened Cup Head Square Neck Bolts - Type B

GB /T 794 - 1993

Strengthened Cap Head Square Neck Bolts

GB /T 794 - 1988

Strengthened Cap Head Square Neck Bolts

JIS B 1171 (AT3) - 1996

Cup head square neck bolts（With indentation）[Table 3]

ASME/ANSI B 18.5 - 2012

Round Head Square Neck Bolts,(Inch Series) [Table2] (A307, SAE J429, F468, F593)

BS 325 - 1947

Black Cup Aquare Neck Bolts

AS /NZS 1390 - 1997 (R2016)

ISO Metric Cup Head Square Neck Bolts

ASME B 18.5 - 2012 (2017)

Round Head Square Neck Bolts,(Inch Series) [Table2] (A307, SAE J429, F468, F593)