3 Flute Step Drill Bit TiAlN Coated HRC89 HSS-Co M35 Cobalt Step Drill 1/4 Inch Hexagon Shank

Description:
3 Flute Step Drill Bit TiAlN Coated HRC89 HSS-Co M35 Cobalt Step Drill 1/4 Inch Hexagon Shank

Specification:

Material	M35 Cobalt(HSS-Co)
Coated	TiAlN Coated
Hardness	HRC89
Flute	3 Flutes
Shank	1/4 Inch Hexagon Shank

Size:

Model	Steps	Size
4-12mm	9	4,5,6,7,8,9,10,11,12mm
4-22mm	10	4,6,8,10,12,14,16,18,20,22mm
5-23mm	10	5,7,9,11,13,15,17,19,21,23mm
4-32mm	15	4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm

Uses:
Suitable for Aluminum, insulation board, PVC board chamfer, steel, aluminum, sheet metal, carbon steel, 304 stainless steel, etc.

3 Flute, 3 Spiral groove Design:
Great chip removal, great heat dissipation, higher drilling speed, small vibration, higher stability, make drilling high accuracy.

1/4 Inch Hexagon Shank Design

HSS-Co/M35:
More than 4241and 6542 high-speed steel materials.

Industrial-grade TiAlN Plating:
1. Form Al2O3 protection cover, fit for high speed drilling.
2. Can work without coolant.
3. Hardness up to HRC89.
4. Life service 2-3 times longer than common HSS-Co M35 step drill.

Package Included:
1 x 3 Flute Step Drill Bit

More Details: