螺丝头类型
平底锅, 平板型, 六角, scoket head screw
Item Name
socket head screw
Material
Stainless Steel,Brass,Aluminum,Carbon steel
Surface Treatment
zinc plated,Ni-plated,
Application
car ,Industry,bike
Standard
ISO,ISO,GB,DIN,JIS
Grade
4.8/ 6.8/ 8.8/ 10.9/ 12.9