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