Step Drill Bit 4PCS HSS-Co M35 Cobalt Step Drill Bit Triangle Shank 4-12/4-20/4-32mm Spiral Flute Step Drill

Description:

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 (Replacement 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

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

Features:

1. CNC CNC, CBN grinding wheel.

2. 118° X Bit Design, you can drill from any angle, no slipping.

3. New notch design, great chip removal, small resistance, geat heat dissipation.

4. Higher accuracy sharper achieve drilling burr.

5. Plated cobalt coating, a substantial increase in the wear resistance and oxidation resistance.

6. Triangle shank make more stable clamping.

7. Ideal for cutting through metal, wood and plastic quickly and easily.

Package Included:

4 x Step Drill Bit

Specification:

Material: M35 Coblat(HSS-Co)

Shank: Triangle Shank

Flute: Spiral Flute
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