Hexagonal Shank Step Drill Cone Drill Bit Hole Groove Metal Wood Cutter
This product is no longer available.
Features:
100% Brand new and high quality!!
The Drill is not easy to be broken.
The ladder of its unique structure, a bit can open a variety of specifications of aperture.
Do not need to use center punch, compared with the ordinary twist
Deburring, chamfering, elliptic hole enlargement, twist drill, the
function of them was unable, but it is possible.
The use of tools: drill, bench drill.Work while water cooling, can
effectively extend the service life of drill bit, recommend drilling rate of 250-250 RPM.
Specifications:
Model: 3-12,4-20,4-12
Material: High-speed steel
Color: Gold
Size: approx. 7.5- 8cm*2- 3cm
Shank: 6mm(dia), 25mm(L)
Total: 85mm(L)
Package includes:
3 pcs x Hexagonal shank step drill