HPD-SUS TWIST DRILLS JOBBER

Application
Designed for 4D ~ 5D drilling in stainless steels, mild steels,aluminium, aluminium alloy, aluminium die cast, copper, copper alloy, etc.

Advantage
High helix-sharp cutting edges to avoid built-up and to be suitable for high performance drilling.
Reinforced web and jobbers length-increasing rigidity and suitable for 4D ~ 5D drilling.
High vanadium HSS-EX material with superior TiN coating - higher speed and feed, longer service life.
High quality-good surface finishes, high productivity and weeding second operation.


品名：高速钢加长麻花钻头

用途：
用于加工4-5倍长径比的孔，可加工不锈钢、铝合金、压铸铝合金、铜及铜合金等。

优点：
1、高螺旋的切削刃可避免产生积屑瘤，并可用于高性能的钻削。
2、刃口增强，可用于4-5倍长径比的深孔加工。
3、高钒的优质高速钢材料，并经TiN涂层，可高速高进给加工，使用寿命长。
4、加工的产品质量高，表面光洁度好，效率高，不需要二次操作。