variable PCD cone seat auto wheel bolt

Thread size 

*M12*1.50, M12*1.25, M12*1.75, M14*1.50, M14*1.25,1/2''-20, 9/16''-18, etc.

Surface treatment

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

  Availabe in different colors. color code like below list 

Material

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

 Shipping

 Production machinery

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

electroplating

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

Manufacture department

Package department

Test and Measurement Center

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