3Pcs 4-12/20/32 Mm Hss Spiral Grooved Center Solid Carbide Drill Bit P6M5 S C9A9

ITEM NAME:3Pcs 4-12/20/32 Mm Hss Spiral Grooved Center Solid Carbide Drill Bit P6M5 S C9A9 3Pcs 4-12/20/32 Mm Hss Spiral Grooved Center Solid Car.Coating: P6M5 Nano Blue Coating. 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.