Main Features:

✅INTERNAL CHIP REMOVAL: The spiral fluted tools help to evacuate chips up and out of the cut to reduce clogging. Make cutting faster, cleaner and quieter. Round shanks allow use with a wide variety of tool holding systems.

✅SOLID AND DURABLE: Made of HSS4241, rustproof, solid and durable bit can cut edge smoothly without chatter and fluted edges. 90° angle on the point for sharp and precise countersinking, used for workpiece circular aperture chamfering or cone hole.

✅CHAMFER RANGE: 2-5mm, 5-10mm, 10-15mm, 15-20mm; Shank diameter: 6mm, 8mm, 10mm, 12mm; Head diameter: 9.7mm, 14mm, 21mm, 28mm.

✅WIDELY USED: Ideal for cutting plywood, wood, acrylic, PVC board, plastic and metal (hardness <25 degrees). When working with the material, you need to let the bit continuously cool down between drilling.

Specifications:
- Material: HSS4241.
- Weight: 176G/4 PCS.
- Shank Diameter: 6MM, 8MM, 10MM, 12MM.
- Head Diameter: 9.7MM, 14MM, 21MM, 28MM.
- Chamfer Range: 2-5MM, 5-10MM, 10-15MM, 15-20MM.

Package Included:
- 1*Chamfer Drilling Tools (4 PCS)