Description
- Countersink Drill Bits – Made of high-speed steel 4241, the middle chamfer drill body is made of No. 45 steel, high hardness, good abrasion resistance.
- Meet Various Needs – 7 Different Sizes: 3mm/ 4mm/ 5mm/ 6mm/ 7mm/ 8mm/ 10mm, great for wood openings, reaming, chamfering, screw heads etc.
- Fast Chip Removal – 5-flutes chamfering and the wide chip slot can discharge the wood more rapidly, sink hole disposable drilled smooth, screw cap perfect embedded in the surface of the workpiece.
- Easy to Use – Drilling length can be adjusted for various lengths screws simply by loosening and tightening the setscrews. Suitable for drilling machines with chuck, most bench or hand drills.
- Wide Application – 3 Pointed woodworking reamer with accurate center positioning for quick countersinking, can be used for drilling plastic, PVC, steel, aluminum, partial board, hardwood or wooden floor, etc.
