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1.Standard:GB,DIN,ASME,BSW,UNC,JIS2.Grade:Gr1,Gr2,Gr3,Gr5,Gr7,Gr9,Gr12,Gr23
3.Application: Bicycle,Motorcycles,car,bike, machine, industry,military,metallurgy,medical
4.Certificate: ISO 90012000 , GB/T 19001∼ 2000 .
d1 | d2 max | k max | n | t min |
2.2 | 4.2 | 1.35 | 0.6 | 0.55 |
2.9 | 5.6 | 1.75 | 0.8 | 0.75 |
3.5 | 6.9 | 2.1 | 2 | 0.95 |
3.9 | 7.5 | 2.25 | 1 | 1.05 |
4.2 | 8.2 | 2.45 | 1.2 | 1.15 |
4.8 | 9.5 | 2.8 | 1.2 | 1.35 |
5.5 | 10.8 | 3.2 | 1.6 | 1.55 |
6.3 | 12.5 | 3.65 | 1.6 | 1.8 |
titnaium racing bolt m12