Remove debris faster and discharge particles easily
Material M35 Cobalt (HSS-Co)
Coated TiAlN coating
Hardness HRC62-65
Flute 3 flute
1/4 inch hexagon handle
Groove 3 spiral groove
Quantity 1 piece x step drill bit
size:
Model step size
4-12 mm 5 4, 6, 8, 10, 12 mm
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
4-32 mm 15 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 mm
feature:
-Suitable for chamfering aluminum, insulating board, PVC board, steel, aluminum, sheet metal, carbon steel, 304 stainless steel, etc.
-3 groove, 3 spiral groove design:
Large chip removal, fast heat dissipation, fast drilling, low vibration, high stability and high drilling accuracy.
-1/4 inch hexagon handle design, suitable for various types of electric drills
-HSS-Co / M35:
4241 quenched high speed steel material, the hardness is the same as 6542 material.
-Industrial TiAlN electroplating:
1. Form Al2O3 protective cover, suitable for high-speed drilling.
2. It can work without coolant.
3. The hardness is as high as HRC62-65.
4. The service life is 2-3 times that of ordinary HSS-Co M35 step drills.
Package Included:
1 x 3-edge step drill