... 3.Export to JP 4.ISO9001:2008 Mass production machining block We are just a factory in Wuxi, China ... Angle clearance:R0.03mm Item Mass production machining block Material Steel ,Stainless steel, Iron ,Aluminum, Brass and etcMaterial standard DIN ,ASTM ... electroplating, spraying, and painting and so on.Main process Machining,turning,milling,drilling,grinding,boring,stamping,threading, tamping and etc ...