Triangular Shank HSS Step Cone Drill Titanium Bit Hole Cutter 1 or 4 1 3 or 8 Inch
- Material: High-Speed Steel Hss Steel.
- Super-hard titanium coating lasts up to six times longer than high-speed steel
- The self-starting point starts on contact
- Titanium reduces heat for longer life
- Anti-skid tip eliminates the need for centre punching or pilot hole drilling.
- Deburring, chamfering, elliptic hole enlargement, twist drill, the function of them was unable, but it is possible
- Applicable scope: woodworking punch
- Size: 1/4 1 3/8 (1/3/1/5/3/7/1 1/1 1/1 3/8)