10-45mm HSS Spiral Grooved Step Drill Bit Nitriding Black Groove Core Hole Cutter Bit

Description:
10-45mm HSS Spiral Grooved Step Drill Bit Nitriding Black Groove Core Hole Cutter Bit
Specification : Color : Black (as picture shown) Material : High Speed Steel Surface : Nitrogen treatment (increasing the hardness and abrasion resistance) Shank:Triangle round handle Type: 10-45mm(10,15,20,25,30,35,40,45mm),
Shank:25 x 12mm Total Size: 45 x 100mm Features :
Scop : thin iron plate,aluminum,insulation panels,PVC panels 4mm thickness within the timber. 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 Package included : 1 x 10-45mm Spiral Grooved Drill