M35 Cobalt Step Drill Bit 1/4 Inch Hex Shank HSS-Co Step Drill Bit -4-20mm

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  • $29.88
  • Regular price $35.00

GNB1312414-4-20mm Handling = 20 Days Made In China





1. CNC CNC, CBN grinding wheel.
2. 118° X Bit Design, you can drill from any angle, no slipping.
3. New flute 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. 1/4 Inch hex shank: Ensure that the tool concentricity.
7. Ideal for cutting through metal, wood and plastic quickly and easily.

Package Included:
1 x Step Drill Bit