Saipor 6pcs Combination Drill and Tap Bit Set(M3-M10) HSS 1/4" Hex Shank Metric Countersink Tap Drill Bit for Wood, Plastic, Aluminum, Copper

• [Drill & Tap in One] 6 sizes in one drill and tap bit set to meet your different needs. Metric sizes engraved on the bits: M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1, M8 x 1.25, M10 x 1.5
• [Longer Service Life] Made of quality high speed steel with high durability and hardness. Quick change 1/4'' (6.35mm) hex shank
• [Self-centering Design] Do not need additional center drilling or center punching! Anti-wear: The back of the cone over the faucet to prevent excessive drilling caused by thread damage
• [Improve Working Efficiency] Wide spiral flutes carry the chips out of the hole. Drilling and tapping at the same time, save you time and effort!
• Suitable for drilling, tapping, cutting on wood, plastic, soft metal (eg aluminum plate, iron), Not for hard materials (eg steel sheet). Recommended for use on tapping machine, pay attention when using hand drills

[NOTE] * This drill and tap bit set NOT for Hard Metal/Iron Casting ** Excessive sloshing and tilting will affect tapping and even break the tap *** The composite tap is preferably operated on a bench drill or a tapping machine. The thickness of the workpiece is less than 5 mm **** If the hand drill is used, the thickness needs to be within 2 mm, otherwise the tap is easy to break (because the hand The drill cannot always be operated vertically and at a constant speed) Saipor Combination Drill and Tap Bit Set (M3-M10) HSS 1/4" Hex Shank Tap Drill Bit for Wood, Plastic, Aluminum, 6pcs/set [Specification] Type: Combination drill and tap bit set Material: High speed steel 4341 System: Metric Size: M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1, M8 x 1.25, M10 x 1.5 Shank: 1/4'' (6.35mm) hex shank Weight: 0.19lb / 84g [Features] 1. Metric sizes engraved on the bits to meet your different needs 2. High durability and hardness 3. Anti-wear: The back of the cone over the faucet to prevent excessive drilling caused by thread damage 4. Drilling and tapping at the same time, save you time and effort! 5. Suitable for drilling, tapping, cutting on wood, plastic, soft metal (eg aluminum plate, iron), Not for hard materials (eg steel sheet) [Package Contains] 6* Combination Drill and Tap Bit Set (M3-M10)