High-Strength Bolts

Class 8.8 / 10.9 / 12.9, for steel structures, bridges and heavy machinery.

GB/T 1228GB/T 3632DIN 6914

Standards	GB/T 1228 / GB/T 3632 / DIN 6914
Material / Class	10.9 / 12.9
Surface Finish	Hot-dip galvanized / Dacromet / Blackened

Related Products

DIN933 / DIN931, GB/T 5782 / 5783, ISO 4014 / 4017, sizes M6–M64.

Material / Class: 8.8 / 10.9 / 12.9 / A2-70 / A4-80 Surface Finish: Electro-galvanized / Hot-dip galvanized / Dacromet / Blackened

DIN934, GB/T 6170, ISO 4032, type 1 / type 2, sizes M6–M64.

Material / Class: Class 8 / Class 10 / Class 12 / A2-70 / A4-80 Surface Finish: Electro-galvanized / Hot-dip galvanized / Dacromet

For PV mounting systems, in hot-dip galvanized and stainless steel for long-term outdoor corrosion resistance.

Material / Class: 8.8 / A2-70 / A4-80 Surface Finish: Hot-dip galvanized / Dacromet

Flat washers, spring washers and lock washers, DIN125 / DIN127, GB/T 97.1 / 93.

Material / Class: 8.8 / 10.9 / A2-70 Surface Finish: Electro-galvanized / Hot-dip galvanized / Dacromet