Drillpro HSS-Co M35 Cobalt Step Drill Bit Triangle Shank 4-12/4-20/4-32mm Spiral Flute Step Drill
1. High-speed steel cobalt / M35 (Suitable for Aluminum, insulation board, PVC board chamfer,steel, aluminum, sheet metal, carbon steel, 304 stainless steel, etc.)
2. Industrial-grade cobalt plating (More than 4241and 6542 high-speed steel materials, live longer!)
3. Triangle shank make more stable clamping
Specification:
Brand: Drillpro
Material: M35 Coblat(HSS-Co)
Shank: Triangle Shank
Flute: Spiral Flute
Size | Shank Diameter | Step Range | Step Height |
4-12mm(5 Step) | 6mm | 4,6,8,10,12mm | 7.5mm |
4-12mm(9 Step) | 6mm | 4,5,6,7,8,9,10,11,12mm | 4.5mm |
4-20mm(9 Step) | 8mm | 4,6,8,10,12,14,16,18,20mm | 4.5mm |
4-32mm(15 Step) | 10mm | 4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm | 4mm |
2. 118° X Bit Design, you can drill from any angle, no slipping.
3. New groove design, great chip removal, small resistance, geat heat dissipation.
7. Ideal for cutting through metal, wood and plastic quickly and easily.
1 x Step Drill Bit
More Details: