Drillpro HRC89 M35 Cobalt Step Drill Bit 4-22mm/5-21mm TiAlN Coated Step Drill 1/4 inch Hex Shank
$31
Size 4-22mm (0.50)/Size 5-21mm/
Shipping:Standard Shipping about 10-25 business days
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Description
Drillpro HRC89 M35 Cobalt Step Drill Bit 4-22mm/5-21mm TiAlN Coated Step Drill 1/4 Inch Hex Shank
High-speed steel cobalt/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 the common HSS-Co M35 step drill.
Uses
Suitable for Aluminum, insulation board, PVC board chamfer,steel, aluminum, sheet metal, carbon steel, 304 stainless steel, etc.
Specification
Brand:Drillpro
Material:HSS-Co M35 Cobalt
Surface treatment:TiAlN Coating
Shank:1/4 Inch Hex Shank
Hardness:HRC89
specification:Step:Step Height:Size
4-22:10:5mm:4,6,8,10,12,14,16,18,20,22mm
5-21:9:5mm:5,7,9,11,13,15,17,19,21mm
Features
1. Spiral groove design(Great chip removal).
2. 118 ° X type bit design(No slipping, drill from any angle).
3. 1/4 Inch hex shank design.
4. CNC, CBN grinding wheel(Higher accuracy).
5. A substantial increase in the wear resistance and oxidation resistance.
6. 4-22(10 steps), 5-21(9 Steps) for choosing.
Package Included
1 x TiAlN M35 Hss Co Step Drill
| Weight | 0.2 kg |
|---|
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