Bolt specification standard GB standard Daquan

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Uncommon, the industry is not square, the industry is difficult to develop rapidly, and it will cause repetitive waste of resources; what are the specifications of bolts? The following small series is a GB industry standard for everyone to make a bolt.

Fangtou Bolt C-Class GB 8-88

Shen Hengquan neck bolt GB 10-88

Shen Head with 榫 拴 GB 11-88

Semi-round neck bolt GB 12-88

Semi-round headband bolt GB 13-88

Big half-head square neck bolt C grade GB 14-1998

Big half round headband bolt GB 15-88

Hexagonal hinge hole bolts GB 27-88

Hexagon head screw with hole hinge hole bolts GB 28-88

Hexagon head with groove bolts A and B GB 29.1-88

Cross groove pocket hex head bolt GB 29.2-88

Hexagon head screw with hole bolts GB 31.1-88

Hexagon head screw with hole bolt thin rod B GB 31.2-88

Hexagon head screw with hole bolt and fine teeth A and B GB 31.3-88

Hex head with hole bolts A and B GB 32.1-88

Hexagon head with a hole bolt thin rod B GB 32.2-88

Hexagon head with a hole bolt fine teeth A and B GB 32.3-88

Head bolts B GB 35-88

T-shaped grooves GB 37-88

Strengthening the half-round head square neck bolts GB / T794-93

Live bolt GB 798-88

Ground bolt GB 799-88

Shen Heng double screw GB 800-88

Small round half low square neck bolt B GB / T 801-1998

Hexagon head bolt C-stage GB / T 5780-2000

Hexagon head bolt full thread C grade GB / T 5781-2000

Hexagon head bolts GB / T 5782-2000

Hexagon head bolt full thread GB / T 5783-2000

Hexagon head bolts – thin rod-b GB 5784-86

Hexagon head bolt fine teeth GB / T 5785-2000

Hexagon head bolt fine teeth full thread GB / T 5786-2000

Hexagon flange bolt – increase series-b GB 5789-86

Hexagon flange bolts – increase series – thin rod-B GB 5790-86

Hexagon flange bolts small series GB / T 16674-1996

Steel grid bolt ball node high strength bolts GB / T 16939-1997