Product Description: Used for Hex bolt, double end stud ..
Product Specification: M4-M100.
Material/Grade: 25#,30CrMo,25CrMov. 40Mn, 0Cr17Ni2Mo2,A194,8.8M , grade 4,6,8,10,12
Implementation standards:
GB6170,GB9171,GB41,GB6175,GB6176,GB1229,GB20613,ASME etc.
Surface treatment of products: blackening, phosphating, galvanizing, dacromet, cadmium plating, fluorocarbon plating, etc.