5-35mm HSS Step Drill Bit 13 Steps Round Shank Straight Flute Step Drill

Description: 5-35mm HSS Step Drill Bit 13 Steps Round Shank Straight Flute Step Drill Features : No need for a pilot hole. 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: 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: 23 x 13mm Total Size: 35 x 75mm Scop : thin iron plate,aluminum,insulation panels,PVC panels 4mm thickness within the timber. Color: Silver (as picture shown) Package Included: 1 x Step Drill More Details: