6Pcs/Set M3-M10 Drill Tap Bits Set 1/4 Hex Shank HSS Spiral Tap Bits for Deburring,Chamfering,Drilling - Short Type Blue Multi-Functional Drill Set: This 6-piece spiral tap drill set is designed for deburring,chamfering,and drilling,providing a versatile solution for various materials High-Speed Steel Construction: Crafted from premium high-speed steel,these drill taps are durable and capable of handling high-impact applications with precision and efficiency Wide Application: Suitable for punching holes in sheet metal,steel,aluminum,brass,and wood,making it ideal for a range of DIY and professional projects 6 Sizes: Includes six different sizes,from M3 to M10,allowing you to work on different screw and bolt threads with ease Spiral Groove Design: The spiral groove design improves the chip removal process,ensuring smoother and faster drilling and tapping in both manual and power drilling operations Specifications: Product material: high-speed steel Long type size: M3,total length 66mm,drill length 76mm,tap length 10mm,tap spacing 0.5mm M4,total length 67mm,drill length 7.4mm,tap length 12.7mm,tap spacing 0.7mm M5,total length 67mm,drill length 6mm,tap length 14.5mm,tap spacing 0.8mm M6,total length 68mm,drill length 7mm,tap length 16mm,tap spacing 1mm M8,total length 69mm,drill length 11mm,tap length 23mm,tap spacing 1.25mm M10,total length 71mm,drill length 11.5mm,tap length 21mm,tap spacing 1.5mm Short type size: M3,total length 55mm,drill length 6mm,tap length 10mm,tap spacing 0.5mm M4,total length 55mm,drill length 6mm,tap length 10mm,tap spacing 0.7mm M5,total length 57mm,drill length 7mm,tap length 11mm,tap spacing 0.8mm M6,total length 57mm,drill length 7.7mm,tap length 11mm,tap spacing 1mm M8,total length 58mm,drill length 7.5mm,tap length 16mm,tap spacing 1.25mm M10,total length 58.5mm,drill length 11mm,tap length 16mm,tap spacing 1.5mm Package included: 6 x Spiral Tap Bits