Drill tap bits increase the efficiency of operation by allowing for drilling and tapping to be accomplished in a single pass. These HSS drills and tap bits are great tools used to create screw threads, to cut or form the female portion of the mating pair. They are used on a machine to do the tapping, such as a lathe. Machine tapping with these taps is faster, and generally more accurate because human error is eliminated.Feature:1. Made of High-Speed Steel 4241, perfect fittings for your device.2. Suitable for Threading Machine, Bench Drill.3. Practical fittings, 1/4 inch hex shank, quick and easy to change.Specification:Thread(Metric):M3*0.5, M4*0.7, M5*0.8, M6*1, M8*1.25, M10*1.5Blade Diameter: 3mm, 4mm, 5mm, 6mm, 8mm, 10mmShank Diameter: 6.35mm/0.25 inchShank Length: approx: 25mm/0.98 inchTotal Length(Max): approx. 58mm/2.28 inchChamfer Angle: 90Material: High Speed Steel 4241Color: SilverWeight(total): 61gPacka Note:1. Please add some oil before operating the tap, so the operation is smoother, and also to extend the life of the tap.2. Application: High-Speed Steel 4241 is suitable for wood, aluminum, iron and other lower hardness material, the material thickness is 3-5mm. Caution if you used it with hard metal!Package include:1 Set of Screw Spiral Tap(Total 6Pcs)
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