Vogueing Tool Cone Drill Bit, 1pc Grooved Step Drill Bits High-Speed Steel HSS co M35 Step Drill for PVC Sheet, Wood, Thin Iron(6-24mm)

• High-speed steel co M35 step drill, higher quality and more durable than HSS 4241 step drill
• Hex Shank Diameter: 6.35mm / 1/4 ". No need center punch, compared with the ordinary twist drill, it is not easy to be break down and it can be used for deburring, chamfering and opening hole
• Provides fast, smooth and clean cuts, each step is clearly labeled with the depth diameter
• With just a small amount of pressure required and automatically burr holes as you drill
• Widely used to cut holes in a variety of material like stainless steel tapping steel, wood, thin iron, aluminum alloy, moisture boards, PVC sheet, ect

Description Features: 100% brand new and high quality. HSS-CO M35 Spiral grooved Step Drill Bits Cut Tool Set. COBALT PLATING to reduce mit and run cooler. Automatically deburr holes as you drill. Widely used to cut holes in a variety of material like stainless steel tapping steel, wood, thin iron, aluminum alloy, moisture boards, PVC sheet, ect. Step Sizes: 3-12mm: 9 steps (3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm) 3-14mm: 12 steps (3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm) 4-26mm: 12 steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm) 5-21mm: 9 steps (5mm,7mm, 9mm, 11mm, 13mm, 15mm, 17mm, 19mm, 21mm) 5-27mm: 12 steps (5mm,7mm, 9mm, 11mm, 13mm, 15mm, 17mm, 19mm, 21mm, 23mm, 25mm, 27mm) 6-24mm: 11 steps (6mm, 8mm, 10mm, 12mm, 13mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm) Package Included: 1pcs Step Drill