Features: - [High hardness]: M35 is made of cobalt-containing high-speed steel, with high hardness and strong wear resistance, specially made of stainless steel.
- [Precision technology]: Precision grinding technology, smooth surface, high grinding precision.
- [Sharp and durable]: 135-degree standard double back edge angle, fully ground drill, sharp and durable cutting edge, stable feed.
- [Strong stability]: Universal round drill shank, widely used, clamping and tightening, not easy to fall.
Specification: Produce name: Cobalt twist drill.
Material: M35 high speed steel containing cobalt.
Uses for: Widely used for perforating metal materials such as stainless steel, die steel,
aluminum alloy, cast iron, copper, galvanized pipe, etc.
Size: Drill diameter x Working length x Shank diameter x Total length.
5.2mm: 5.2mm x 52mm x 5.2mm x 86mm.
5.5mm: 5.5mm x 57mm x 5.5mm x 93mm.
6.0mm: 6.0mm x 57mm x 6.0mm x 93mm.
6.5mm: 6.5mm x 63mm x 6.5mm x 100mm.
6.8mm: 6.8mm x 69mm x 6.8mm x 109mm.
7.0mm: 7.0mm x 69mm x 7.0mm x 109mm.
7.5mm: 7.5mm x 69mm x 7.5mm x 109mm.
8.0mm: 8.0mm x 75mm x 8.0mm x 117mm.
8.5mm: 8.5mm x 75mm x 8.5mm x 117mm.
Produce Included: 10 Pcs Similar-sized x Cobalt twist drill (The specifications you choose)
Product Attributes: