Material: High Speed Steel 4241, HSS Large Step Cone Drill Titanium Bit Set Hole Cutter, applicable to plastic, aluminum, copper, stainless steel
Surface Treatment: Titanium Coated, High hardness, reduce friction and heat. Cooling by water injection while working, it can effectively extend the service life of the drill bit
Size: 3/16-1/2'', 1/8-1/2'', 1/4-3/4'', 3/16-7/8'' 1/4-1-3/8'', Handle shank: Triangle handle
Large Step Cone Drill Bit Set Hole Cutter, it is not easy to break and it can be used for deburring, chamfering, open hole and open elliptical hole expansion, can complete the workpieces that twist drill can't. The shaking is small, you don't need to use the center punch to open a beautiful hole
It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, aluminum,plastic and many other types of sheet metal to drilling hole
What's in the box
5 x Titanium Imperial Step Drill Bit
1 x Storage Case
