Titanium HSS 9-Step Cone Drill 4-12MM Hex Shank 1/4 Hole Cutter Drilling Tool
- Shank: 1/4 Hex Shank
- Comes in 4-12MM ( 4,5,6,7,8,9,10,11,12MM )sizes
- Material: HSS
- The ladder of its unique structure, a bit can open a variety of specifications of aperture.
- No need to use center punch, compared with the ordinary twist drill is not easy to be broken.
- Deburring, chamfering, elliptic hole enlargement, twist drill, the function of them was unable, but it is possible.
- The usage of tools: drill, bench drill. Work while water cooling can effectively extend the service life of drill bit
- Do not need to use center punch, compared with the ordinary twist drill is not easy to be broken.
- Deburring, chamfering, elliptic hole enlargement, twist drill, the function of them was unable, but it is possible.
- Size: Approx. 72mm
- Weight: 21g
HSS Steel Step Cone Drill Titanium Bit Set Hole Cutter Triangular Shank
- Material: high-speed steel
- Super-hard titanium coating lasts up to six times longer than high-speed steel
- Self-starting point starts on contact
- Titanium reduces heat for longer life
- Anti-skid tip eliminates the need for center punching or pilot hole drilling.
- Applicable scope: woodworking punch
- specification: 3/16 1/2 Size: 3/16 1/2 (3/11/5/13/7/11/2) 1/8 1/2 Size: (1/5/37/31/9/35/111/33/13/37/115/31/2mm) 1/4 3/4 Size: (1/5/13/7/11/9/15/11/13/4)