Spiral Cone Bit Step Notch Drill Cone Drill Bit Spiral Drill Hole Cutter Ti Coated Drill Set 3pcs 4-12/20/32mm Hex Ti Coated Spiral Grooved Step Drill Bits Set Cone Drill Hole

spiral cone bit step notch drill cone drill bit spiral drill hole cutter ti coated drill set 3pcs 4-12/20/32mm Hex Ti Coated Spiral Grooved Step Drill Bits Set Cone Drill Hole Specification: Description: 100% . Material: HSS steel Color: Golden treatment : Ti plating The 3 cutters come in the following sizes increments of 2mm : 4 - 32mm 4 - 20mm 4 - 12mm. Features: The kit has 3 different types of drill bits suitable for different scale operations. The drill has 2 notch edges cutting faster and more glossy. Hex handle makes the installation more compact and prevents slippage when chuck. Made of high-quality HSS steel so it has high hardness and is more durable. Can be used to cut holes in a variety of materials including steel brass wood plastic etc. Package Content: 1 x 3Pcs HSS Drill Bit Setno box