3pc HSS Step Drill Cone Bits 4112/20/32mm Metal Steal PVC Sheet

$21.95

  • Increases the hardness and makes the bits last up to 4-5 times longer than ordinary drill bits Drill round holes in most metals, plastic, wood and etc
  • Self-starting tips will not skid, no need for center punching or pilot drill
  • Designed to auto deburr the hole cut
  • Used on electric drills and drill presses
  • Triangular shank will not spin inside the chuck
  • Made by HSS with heat treatment and Titanium Nitride costing
  • Package Inculde:
    4-12mm X 1
    4-20mm X 1
    4-32mm X 1
Categories: ,

Description

  • Increases the hardness and makes the bits last up to 4-5 times longer than ordinary drill bits Drill round holes in most metals, plastic, wood and etc
  • Self-starting tips will not skid, no need for center punching or pilot drill
  • Designed to auto deburr the hole cut
  • Used on electric drills and drill presses
  • Triangular shank will not spin inside the chuck
  • Made by HSS with heat treatment and Titanium Nitride costing
  • Package Inculde:
    4-12mm X 1
    4-20mm X 1
    4-32mm X 1