Fansipro 5-35mm Step Cone Drill Bit - 1 Aluminum Alloy Steel

Features: *Made of high quality material, durable and practical to use *This spiral flute step drill bit can be widely used to cut holes in a variety of material like steel, wood, thin iron, aluminum alloy, insulation boards, PVC sheet, etc. *Titanium coated to reduce friction and run cooler. *Automatically deburr holes as you drill. *High speed steel, durable. *No need for a pilot hole. *Suitable for thin iron plate, aluminum, insulation panels, PVC panels 4mm thickness within the timber. Specifications: *Color : Silver(as pictures show) *Material : High Speed Steel *Surface : Nitrogen treatment (increasing the hardness and abrasion resistance) *Shank: Triangle round handle *Type: 5-35mm(5,7,10,12,15,17,20,22,25,27,30,32,35mm) *Shank Dimensions: 24 * 13mm(approx) *Optional Quantity: 1/2pcs Package Contents: 1PCS/2PCS 5-35mm Spiral Grooved Drill