DWW HSS Hex Shank Drill Bit Set, 6 Pieces, M3-M10 Thread Taps - Gold *Material: SteelHigh speed 4341, Factoryhigh-speed steel (HSS), high hardnessand resistanceRust-resistant for extended lifespan. 6 sizes set, which respond perfectlyyour different needs. A sharp, hardened, resistant drill bitLG wear and tearinduced ment, to ensure the speed of puncture, improve efficiencywork.* Complete drilling, tapping, deburring, and milling in a single operation savesprocessing steps and time costs, to improve efficiencywork.* 6 steel drill bits, suitable for drilling wood, plastic, thin copper, aluminum and other soft materials (5-6 mm), not for hard materials (e.g., steel sheet).*When drilling a hole, you must inject water at the same time to cool the drill bit. This will help youIncrease the value of the exercises. If you cannot cool the drill bit while drilling holes, the drilling speed should nottoo muchraise the level and you should not drill too frequently.Product description: Color: Gold.Features: drilling, tapping anddeburring / milling.Suitable for tapping metal and aluminum.The advantage is the opening, tapping, and chamfering. You can saveprocessing steps and time costs, improve efficiency.Conical return beyondtap waterTo avoid damage to the threads in case of excessive drilling. Its spiral groove,inside the transformation wire, cut to exclude, and atthreadappthe inside of the through holes threaded s.Specification:Chamfer angle: 90. Shank: 1/4" (6.35mm) hexagonal shank.Material: SteelHigh speed 4341. Surface treatment: Titanium Coated.Note:*Please add oil before operating the tap to ensure smoother operation and extend the tap's lifespan.Package includes: 6 pcs Hex Shank Tap Drill Bits