Krupp Widia公司生产镶硬质合金刀片的新系列装配式钻头.钻头的直径范围为14～25mm,钻削深度达3.5倍直径,直径25mm的柱柄可提高钻头的刚性.钻头镶有正负前角特殊刀片,这可保证钻头即使在垂直状态下以极限允许钻孔深度工作时,也能有效地排屑.刀片上作有33型断屑槽,适于加工中碳钢、马氏体和铁素体不锈钢、低碳钢和铸铁.钻头的中心切削刃和圆周切削刃是由一些带有等离子体涂层的WIDAPLAS TPC35(加工钢和铸铁)或WIDIA THM(加工有色金属)型相同的刀片形成的. Krupp Widia manufactures a new line of assembled bits with carbide inserts in the range of 14-25 mm in diameter and up to 3.5 times the depth of cut with 25 mm diameter stems for increased bit rigidity. Corner special insert which ensures that the drill bit can effectively chip out even when it is operated vertically with the allowable drilling depth. The chip has a type 33 chip breaker suitable for machining medium carbon steel, martensite and Ferritic stainless steel, mild steel and cast iron.The center and peripheral cutting edges of the drill bits are made of some plasma-coated WIDAPLAS TPC35 (machined steel and cast iron) or WIDIA THM (non-ferrous metal) Forming.