Specifications
Color: Golden
Material: Cobalt
Size:
1.5mm Tool length:18mm Overall Length:40mm
2mm Tool length:24mm Overall Length:49mm
2.5mm Tool length:30mm Overall Length:57mm
3mm Tool length:33mm Overall Length:61mm
3.5mm Tool length:39mm Overall Length:68mm
4mm Tool length:43mm Overall Length:75mm
4.5mm Tool length:47mm Overall Length:80mm
5mm Tool length:52mm Overall Length:83mm
5.5mm Tool length:57mm Overall Length:93mm
6mm Tool length:57mm Overall Length:93mm
6.5mm Tool length:62mm Overall Length:98mm
7mm Tool length:69mm Overall Length:101mm
8mm Tool length:75mm Overall Length:117mm
9mm Tool length:81mm Overall Length:125mm
10mm Tool length:87mm Overall Length:133mm
Suitable For: luminum, wood, malleable and deep hole drilling positioning holes iron.

Features
- Difficult to machine the workpiece can be processed stainless steel, tool steel, through heat treatment,
M35 cobalt high speed steel to obtain high hardness, high wear resistance and high toughness
- Whole by grinding forming, accurate size, high life, the efficacy of long
- Can be used radial drill, bench drill or hand drill chuck for drilling operations.