1. Product material: high speed steel.
2.7pcs specifications: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm.
2. Drill handle: Round handle design for easy clamping.
3. Chamfer: Five-edge chamfering, smooth chip removal.
5. Design: detachable design, easy to install.
6. Drill shape: three-point design, fast centering.
4. Product use: It can be used as woodworking countersunk drill, reaming drill, woodworking chamfer, guiding drill, etc. It is suitable for chamfering of soft materials such as wood, wood and aluminum alloy.