Check the listing for details. 6/12PCS 1/4" Hex Shank SAE Tap Combination Drill Bit Set Screw Thread Tap Bit US. Condition: New. Listed at 10.45 USD. Product FeatureHigh-Speed Steel Material: made of high-quality HSS, durable.Suitable for drilling and tapping in aluminum, brass, copper, plastic, wood, steel, etc.Three-In-One Function: Single drilling, the point is automatically centered, no center drilling or center punching is needed, which can save your labor and precious time.Hexagonal Shank: This drill has a hexagonal shank, easy to identify, each is a combination of twist drill, tap bit, and drill bit.Wide Spiral Groove: The tap bit set also has a wide spiral groove, which allows chips to easily escape from the hole, preventing crowding of chips and breakage of the tap bit.Applicable Scenarios: Good alignment and fast cycle time, which makes it a highly productive tool, suitable for drilling and tapping in aluminum, brass, copper, plastic, wood, steel, etc.Product SpecificationTypeCombination Drill TapMaterialHigh Speed SteelColorSilverSize5.5cm/2.17inQuantity6/12PcsProduct TypeDrill BitPackage Included1/2x 6-32NC Combination Drill Tap1/2x 8-32NC Combination Drill Tap1/2x 10-32NC Combination Drill Tap1/2x 12-24NC Combination Drill Tap1/2x 10-24NC Combination Drill Tap1/2x 1/4-20NC Combination Drill Tap On Mar 4, 2024 at 23:43:24 PST, seller added the following information: