3pcs HSS Titanium Drill Bit 3-12 4-12 4-20 Drilling Tools Metal Speed Steel Wood Hole Cutter Cone Drill Center Punch Alloy Hardware

This set includes three standard step drill bits that replace 28 individual drill bits, comes with one 4 to 12mm five-step bit, one 4 to 20mm nine-step bit, and one 3 to 12mm ten-step bit. Strong durability: HSS + titanium durability. Avoiding the inconvenience of a tri-flat shank to ensure a firm grip. Easy drilling: Two-fluted design provides faster, smoother cutting. Provided with small pressure and the sets can cut through wood, sheet metal, steel and other surfaces. Automatic center punch: Delivers an automatic, high-impact, spring-loaded strike when pressed against surface, adjustable cap regulates striking force. Wide usages: Mark hole locations and start drill bits and screws, preventing wandering, heat treated alloy steel punch with sharp precision tip, corrosion-resistant brass body with non-slip knurled grip. This compact set replaces 24 individual drill bits in 3pc Step Drill Bits which includes one 4-12mm, one 4-20mm, and one 3-12mm. Two-fluted design can provide faster, smoother cutting. Note: Before starting drilling and screwing, the Automatic Center Punch can be used to mark hole locations. It delivers an automatic, high-impact, spring-loaded strike when pressed against wood, metal, and plastic surfaces. An adjustable cap regulates striking force. It features a heat-treated alloy steel punch with a sharp precision tip and a corrosion-resistant brass body with non-slip knurled grip. The 3 Cutters Come in the Following Sizes: 5 step drill bit: 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm) 9 step drill bit: 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm) 10 step drill bit: 3-12mm (3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm) Color:gold Package included: 3 x Metric Step Drill Bit 1 x Auto Center Punch Only the above package content, other products are not included. All of our product are ready stock ship from Melaka, you can place order anytime