Nietz Cobalt M35 High Speed Steel Drill Bit Din338 135D - 3.2 Mm

Characteristic :It is one of the W-Ho HSS grade, the high hardness red hardness and wearing resistance are all better thanM2, this kind of steel is suitable for producing in high ability cutting tool, such as hob, knife and milling cutter.

Characteristic :It is one of the W-Ho HSS grade, the high hardness red hardness and wearing resistance are all better thanM2, this kind of steel is suitable for producing in high ability cutting tool, such as hob, knife and milling cutter.