3Pcs HSS Step Drill Bit Set 4-12/4-20/4-32mm Titanium Coated Step Drill Bit 1/4 Inch Shank

Description: 3Pcs HSS Step Drill Bit Set 4-12/4-20/4-32mm Titanium Coated Step Drill Bit 1/4 Inch Shank Specification: Material: 4241 high speed steel Shank type: 1/4 Inch hex shank The 3 Cutters Come in the Following Sizes: 4-12mm: 4mm,6mm,8mm,10mm,12mm 4-20mm: 4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm 4-32mm: 4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,22mm,24mm,26mm,28mm,30mm,32mm Features: 1/4 Inch shank,easy to install. 4-12/4-20/4-32mm meet your different need. Titanium coated surface make the drill bit more durable, easy to drill holes. It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc Package Included: 3 x HSS step drill bits More Details: