Product description：1. Cobalt drill bits last longer and cut faster than standard high speed steel bits. 2. Maximum speed and life in stainless steel and other hard, tough materials . 3. 135°split point for precision start no walking.
Product Description:
- HSS(M35) Cobalt Steel is the premium material with high hardness and red hardness to enable long drilling life and fast drilling performance.
- up to 15x life vs. black oxide
- Rigid, thick web design adds stability to bit in tough applications.
- Designed for Stainless Steel and other Hard Metal.
- 135°split point for precision start no walking. ( Pilot point design is available )
- Size: 1 - 20mm, 1/16"-1", A-Z, 1# - 90#
- Length Standard: DIN338, Jobber Length
（ Stub Screw Machine Length, DIN340 Taper Length, Aircraft Extension, Extra Long 12", 18", 24", 1/2" Silver& Deming, are Available）
- Shank: Straight Shank
（ 1/4" Hex Shank, Tri-Flats Shank, Threaded Shank, MorseTaper Shank)