Drillpro DB-S1 3pcs HSS Spiral Grooved Step Drill Bit 4-12/4-20/4-32

Description Drillpro DB S1 3pcs HSS Spiral Grooved Step Drill Bit 4 12 4 20 4 32Specification Brand DrillproModel DB S1Color Golden as picture shown Material High speed steelSurface Titanium PlatedScop thin iron plate aluminum insulation panels PVC panels 4mm thickness within the timber 4 12 mm 9 Steps 4mm 5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm 7cm L 4 20 mm 9 Steps 4mm 6mm 8mm 10mm 12mm 14mm 16mm 18mm 20mm 7cm L 4 32 mm 15 Steps 4mm 6mm 8mm 10mm 12mm 14mm 16mm 18mm 20mm 22mm 24mm 26mm 28mm 30mm 32mm 10cm L Features No need for a pilot holeTitanium coated to reduce friction and run coolerLarge bit has 3 sided shank Automatically deburr holes as you drillHigh speed steel durable Widely used to cut holes in a variety of material like steel wood thin iron aluminum alloy insulation boards PVC sheet ectPackage Included 1 x 4 12mm Spiral Grooved Drill1 x 4 20mm Spiral Grooved Drill1 x 4 32mm Spiral Grooved DrillDetails pictures