Description
3 Flute 4-12mm 5-23mm Step Drill Bit TiAlN Coated HRC62-65 HSS-Co M35 Cobalt Step Drill Triangular Shank
Description:Â
3 Flute 4-12mm 5-23mm Step Drill Bit TiAlN Coated HRC62-65 HSS-Co M35 Cobalt Step Drill Triangular Shank.Â
Specification:Â
Material: M35 Cobalt(HSS-Co).Â
Coated: TiAlN Coated.Â
Hardness: HRC62-65.Â
Flute: 3 Flutes.Â
Shank: Triangular Shank.Â
Grooves: 3 Spiral Grooves.Â
Quantity: 1 Pc x Step Drill Bit.Â
Size:Â
4-12mm: 4,5,6,7,8,9,10,11,12mm.Â
5-23mm: 5,7,9,11,13,15,17,19,21,23mm.Â
Features:Â
– Suitable for 1mm stainless steel plate, 3mm iron plate, steel, copper, plastic, wood plate.Â
– 3 slot, 3 spiral slot design:Â
Large chip removal, fast heat dissipation, fast drilling, low vibration, high stability and high drilling accuracy.Â
– Triangular shank design, suitable for many types of electric drills.Â
– HSS-Co/M35:Â
4241 quenched high speed steel material, the hardness is the same as 6542 material.Â
– Industrial-grade TiAlN Plating:Â
1. Form Al2O3 protection cover, fit for high speed drilling.Â
2. Can work without coolant.Â
3. Hardness up to HRC62-65.Â
4. Life service 2-3 times longer than common HSS-Co M35 step drill.Â
Package Included:Â
1 x 3 Flute Step Drill Bit