Pagoda Drill Screw Drill Core Drilling Tool High Speed Steel HSS Spiral Grooved Metal Steel Step Drill Bit 4-12 4-20 4-32

Pagoda Drill Screw Drill Core Drilling Tool High Speed Steel HSS Spiral Grooved Metal Steel Step Drill Bit 4-12 4-20 4-32

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 thin steel, brass, wood, plastic, etc Specification: Material: High speed steel (HSS) Shank: 6mm、8mm、10mm、12mm/(0.24inch、0.31inch、0.39inch、0.47inch) Flute: Spiral Size: 4-12: 4mm, 6mm, 8mm,10mm,12mm/(0.16in, 0.24in, 0.31in, 0.39in, 0.47in) 5 Steps 4-20: 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm/(0.16in, 0.24in, 0.31in, 0.39in, 0.47in, 0.55in, 0.63in, 0.71in, 0.79in) 9 Steps 4-32mm: 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm/(0.16in, 0.24in, 0.31in, 0.39in, 0.47in, 0.55in, 0.63in, 0.71in, 0.79in, 0.86in, 0.94in, 1.02in, 1.1in, 1.18in, 1.26in)15 Steps 6-60mm: 6mm, 10mm, 14mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm/(0.24in, 0.39in, 0.55in, 0.78in, 0.98in, 1.18in, 1.37in, 1.57in, 1.77in, 1.97in, 2.17in, 2.36in)12 Steps Package Included: 1/3pc Spiral Groove Cone Drill Bit