Tools Centre Drill Bit Set Power Tools Step Drill 4-12/4-20/4-32mm Cone Titanium Coated Metal Hole Cutter Tools (3 Pcs 4 To 12 mm, 20 mm, 32 mm.)

Features: 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 (Suitable for use in the hardness below 25 degrees workpiece, such as carbon steel, the thickness of the plate in the 5MM) Finish: Titanium Size: 1PCS: 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 2mm) 1PCS: 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 14mm, 16mm, 18mm, 20mm ) 1PCS: 4-12mm (4mm, 6mm, 8mm, 10mm, 2mm) 3PCS: 4-12mm, 4-20mm, 4-32mm Shank: 1/4" Quick Change Hex Shank