Place of Origin
Jiangsu, China
Surface
Black,Zinc plated hot dip galvanized
Material
Stainless steel, Steel, Carbon steel,alloy steel
Grade
A2 A4, GR4.8, 5.8, 6.8, 8.8, 10.9, 12.9; SAE J429
Standard
DIN, DIN603 DIN608 ISO8678 ASME/ANSI B 18.5
Model Number
M5-M20; 1/4''~1''