Происхождение товара
Guangdong, China
processing technique:
Sodic wire-cutting,cnc machining,precisely grinding,polish
Sheet metal
SKD11,tungsten steel.
Tolerance of spare parts:
Within 0.002mm
Tolerance of feeding length:
0.003~0.005mm
Surface roughness:
Ra0.04~Ra0.1
Running speed:
300~450 strokes per minute
Regrinding life:
1.2 million to 3 million
Total life:
120 million to 250 million.