TF HSS Step Cone Drill bit Spiral Grooved Step Drill Bit for Steel Sheet up to 3mm Thick or Plastic/Metal Sheet for Hole Size 5mm 7mm 10mm 12mm 15mm 17mm 20mm 22mm 25mm 27mm 30mm 32mm 35mm

• * No need for a pilot hole
• * High speed steel,durable.
• * Automatically deburr holes as you drill
• * Titanium coated to reduce friction and run cooler
• * Widely used to cut holes in a variety of material like steel, wood, thin iron, aluminum alloy, insulation boards, PVC sheet,ect

Features: No need for a pilot hole Titanium coated to reduce friction and run cooler Automatically deburr holes as you drill High speed steel,durable. Widely used to cut holes in a variety of material like steel, wood, thin iron, aluminum alloy, insulation boards, PVC sheet,ect Specification: Color : Silver (as picture shown) Material : High Speed Steel Surface : Nitrogen treatment (increasing the hardness and abrasion resistance) Shank:Triangle round handle Scop : thin iron plate,aluminum,insulation panels,PVC panels 4mm thickness within the timber. Type: 5-35mm(5,7,10,12,15,17,20,22,25,27,30,32,35mm),Shank: 24 x 13mm Total Size: 35 x 75mm Package Content: 1 x 5-35mm Spiral Grooved Drill