Drillpro HRC89 TiAlN Coating HSS M35 Cobalt Step Drill Bit 4-12/4-20/4-32mm Step Drill Round Shank

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Description:
Drillpro HRC89 TiAlN Coating HSS M35 Cobalt Step Drill Bit 4-12/4-20/4-32mm Step Drill Round Shank

Specification:
Brand: Drillpro
Material: HSS-Co M35 Cobalt
Coating: AlTiN Coating
Hardness: HRC89
Shank: Round Shank
Size: 

Model	Shank Diameter	Step Height	Step Number
4-12mm	6mm	8mm	5 Steps(4,6,8,10,12mm)
4-20mm	8mm	5mm	9 Steps(4,6,8,10,12,14,16,18,20mm)
4-32mm	10mm	5mm	15 Steps(4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm)

Uses:
High-speed steel cobalt/M35 (Suitable for Aluminum, insulation board, PVC board chamfer,steel, aluminum, sheet metal, carbon steel, 304 stainless steel, etc.)
Industrial-grade TiAlN plating (More than 4241and 6542 high-speed steel materials, live longer!)

Features:
1. Straight groove design(Stably drilling, esay to control)
2. 118 ° X type bit design(No slipping, drill from any angle)
3. Round shank design(Chamfer design,easy to install)
4. CNC, CBN grinding wheel(Higher accuracy)
5. Hardness up to HRC89, TiAlN coating, a substantial increase in the wear resistance and oxidation resistance
(TiAlN coating, made of high-speed steel cobalt/M35 )
6. 4-12mm(5 Steps), 4-20mm(9 Steps), 4-32mm(15 Steps) for choosing.

Package Included:
1 x TiAlN M35 Hss Co Step Drill