GB/T 5782 half thread hex head bolt,made in China, Grade 12.9 10.9 8.8, grade A, grade B
[ Time:2022-02-22 Click:625 ]
Surface coating available: Plain, Dacromet, Black, Geomet, HDG, Dorken, Delta, Electro plated, TZN
Grade: 8.8 10.9 12.9
Nut grade: 8 10 12
Washer hardness: HV100, HV200, HV300
Thread size: M20-M80
Mechanical properties: ISO898-1