6-35MM Plating HSS 13 Step Cone Drill Bit Titanium Hole Cutter Hex Shank Steel
6-35MM Titanium Coated Step Cone Drill Bit 13 Steps Hex Shank
Material:High speed steel 4241
Size: 6-35 mm ( 6,8,10,12,16,18,20,22.25,28,30,32,35mm )
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 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 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.
1x Hex Titanium Step Drill