4-32mm HSS Spiral Groove Center Solid Carbide Titanium Step Cone Drill Bit

4-32mm HSS Spiral Groove Center Solid Carbide Titanium Step Cone Drill Bit Features: This is the New HSS Steel Large Step Cone Drill Titanium Bit Set Hole Cutter which is made from high quality HSS steel and with the Titanium coated to reduce friction and heat It is very suitable for using to cut holes in a variety of materials including steel brass wood plastic etc Material: HSS Steel Finish: Titanium Length: 4-32mm Length: Approx. 10.2cm/ 4.02 The 3 Cutters Come in the Following