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

Material: HSS Steel It is very suitable for using to cut holes in a variety of materials including steel brass wood plastic etc 4-32mm Length: Approx. 10.2cm/ 4.02 1 x HSS Steel Drill Bit Finish: Titanium This is the New HSS Steel Large Step Cone Drill Titanium Bit Set Hole Cutter 4-32mm (4mm 6mm 8mm 10mm 12mm 14mm 16mm 18mm 20mm 22mm 24mm 26mm 28mm 30mm 32mm) which is made from high quality HSS steel and with the Titanium coated to reduce friction and heat