Hakkin 6PCS Combination Drill and Tap Bit Set Thread Tap Drill Bits, M3 M4 M5 M6 M8 M10 Metric Drill Bit Set, 1/4" Hex Shank Hss 4341 Screw Tap Drill Bits with Anti-Rust Black Coating

6 Packs Combination Drill & Taps Bit Set, Screw Tapping in metric Size M3 M4 M5 M6 M8 M10 with Anti-Rust Black Coating, 1/4” Hex Shank and Storage Case

• 1.【High Quality Material】Made of high quality HSS with anti-rust black coating, high hardness, anti-rust, has excellent for capability and durability. This drill bits set can quickly drill, tap, deburr and countersink.
• 2.【Drilling and Tapping in One】Fast replacement composite cone, uses drill edged principle. Complete hole drilling, tapping, deburring and countersinking in one operation save processing steps and time costs, improve working efficiency.
• 3.【Easy to Use】 Each tap drill is engraved with its size convenient for you to choose the suitable size with a glance. A tapered end on hex shank can prevent excessive knocks; Back taper exceeds the tap to prevent over-drilling and damage to the thread.
• 4.【Perfect Size】Our Drill Tap Bits Set contains six sizes, namely Metric: M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5. Shank:1/4 inch (6.35mm ) hex shank. It can be used for tapping various threads, making your work more convenient. Each tap drill is engraved with its size convenient for you to choose the suitable size with a glance.
• 5.【Widely Use】Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc. Note: Low Speed and Cutting holes in materials (Thickness: <3mm)