... ), Stainlesssteel, Cast iron,Nodular, cast iron, Titaniumalloy, Heatresistant. 3. Product introduction to the overall:GM series general machining end ... be achieved fromcommon steel to pre-Hardened steel.Optimized structure: reasonable combination of sharp cuttingedge and tool strength ... .Complete in specification: the minimum specification is 0.3 mm,easily complete machining even though the micro part ...