Place of Origin
Hunan, China
Customized support
OEM, ODM, OBM
drive type
Hexagon Head, socked, tros,cross
Grade
4.8/ 8.8/ 10.9/ 12.9 Ect
Thread
Fully Thread/Half Thread
Material
Low carbon steel/medium carbon steel/alloy steel
Surface treatment
Black/White Zinc/Color Zinc/HDG
other service
non standard Customized available