3-12mm HRC89 AlTiN Coating Step Drill Bit HSS M35 Cobalt Step Cone Drill Bit Hole Cutter

$8.50

  • Product Code: SKU815829
  • Availability: In Stock
Description:
Drillpro HRC89 AlTiN Coating Step Drill Bit 3-12mm HSS M35 Cobalt Step Cone Drill Bit Hole Cutter

Specification:


Brand: Drillpro
Material: HSS-Co/M35
Coating: AlTiN Coating
Hardness: HRC89
Step: 9 steps
Size: 3, 4, 5, 6, 7, 8, 9, 10, 12mm(4-20mm)
Shank Size: 1/4" Hex Shank

Features:
1. Hardness up to HRC89, perfect to drill 304 stainless steel, wood,  iron, aluminum alloy, insulation boards, PVC sheet.
2. Industrial Grade TiALN Coating,TiAlN coating surface will form Al2O3 which form a hard protective layer when drilling.
(Perfect for high speed drilling)
3. Service life is 5-10 times longer than general step drill. (Can drilling without coolant, with coolant, service life will be longer
and performance will be better.)
4: 118° X Bit Design, you can drill from any angle, no slipping.
5: Great chip removal, small resistance, geat heat dissipation.
6: HIgh precision, no burr when drilling.
7: Easy to install

Package Included:
1 x Drillpro HRC89 AlTiN Coating Step Drill Bit 3-12mm















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