(4-20mm) Cobalt Step Drill Bit Triangle Shank 4-12/4-20/4-32mm Spiral Flute Step Drill

(4-20mm) Cobalt Step Drill Bit Triangle Shank 4-12/4-20/4-32mm Spiral Flute Step Drill Description

Specification:
Material: M35 Coblat(HSS-Co);
Shank: Triangle Shank;
Flute: Spiral Flute;

Description:
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.

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:
1 x Step Drill Bit