Specifications

1)Exact dimensions
2) over 72hrs neutral salty sapary
3)Good metallography
4)No surface decarburization

 

 *M12*1.50,M12*1.25,M12*1.75,M14*1.50,M14*1.25, etc

 

Surface treatment

 * Chrome, zinc, blacking, color vacuum coating, dacromet, titanium ,etc

 

 Material

  *  Carbon Steel, Alloy Steel, Heat-treatment, we purchase 80% steel fromShanghai baogang ------ one ofChina's most famous company

 

 

 

 

 All wheel locks can be packed in 4+1, 4+2, 5+1, 16+1, 20+1......

 

 

  *multi-function machines, precision CNC machine tools, automatic electroplating production line, and so on.

 

 *We are the first and unique one in China, own automatic electroplating production line. Our products passed above 72 hours NSS neutral salty spray test. The thinkness of nickel more than and equal to 30μm, thinkness of chrome equal to 3μm.