Description
- Automatically Deburrs Holes As You Drill Two-Flute Design Gives You Faster And Smoother Cutting.Very comfortable and easy to use, it is an essential tool for home work These Step Drill Bits Are Ideal For Variety Of Materials From Metal, Plastic, Fiberglass To Wood;They Also Help To Enlarge Existing Holes. High-speed steel with titanium coated to reduce friction and run cooler. Do not need to use center punch, compared with the ordinary twist drill is not easy to be broken.The Two Flute Design Tips Can Make The Penetration Faster Without Chipping. Step cone drill bits design for precision drilling different size holes from 4mm up to 12mm in diameter,optimum speed and accuracy.
TOOL MASTER Step Drill Bit Hole Drill Bit High Speed Steel Coated Step Drill Bit Hole Cutter Hex Shank Power Tools 4-12mm (Gold)