Mass Pro Titanium Coated 1Pc Center Punch HSS Titanium Step Cone Drill Bit Set Hole Cutter

1Pc Center Punch With 3Pcs Step Drill Bit Set Specification: Material: HSS / High Speed Steel Surface Treatment: Titanium Coated Shank Size: 1/4" Hex Shank Quantity: 3pcs Total Length: 4-12mm Length: Approx. 67mm/ 2.64" 4-20mm Length: Approx. 74mm/ 2.91" 4-32mm Length: Approx. 102mm/ 4.02" The 3 Cutters Come in the Following Sizes: 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm) 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 14mm, 16mm, 18mm, 20mm) 4-12mm (4mm, 6mm, 8mm, 10mm, 2mm) 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 Package Included: 1x Set (3pcs) HSS Step Drill Bit