colorful aluminium wheel nut thread gauge checker

Measures the following thread sizes: 

 12*1.25, 12*1.5, 12*1.75,14*1.25, 14*1.5, 14*2.0,7/16"-20, 1/2"-20, 9/16"-18, etc  

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  *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.

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