HSS Metric Drill Bits 1mm to 13mm For Steel, Iron & Wood , M2 Fully Ground

Product Description：

Product Name: High Speed Steel Twist Drill

Material: HSS high speed steel

Specification: 1mm-13mm


The whole is quenched and polished to be sharper and more durable. Unlike the traditional rolling process, the polished drill bit passes through
After high temperature quenching, it is polished with a grinding wheel, which has high hardness and good toughness. The groove of the drill bit is smooth and smooth. Compared with the rolled drill bit, the ground drill bit can cut faster and more durable at work.

The high-quality drilling performance is based on the use of high-performance high-quality high-speed steel M2 through grinding to shape, standard size, long service life, high work efficiency, can drill all alloy and non-alloy materials with bending strength below 900N/mmi, such as cast steel, Cast iron, die casting, non-ferrous metals, aluminum, hard plastics, etc.!