1/4" Screw Thread Drill Bill Set | Nano Blue Coating | M3 - M10 | 6 Piece Set

  • 【High quality material】Made of high quality HSS with nano blue coating, high hardness, anti-rust, has excellent for capability and durability.This drill bits set can quickly drill, tap, deburr and countersink.
  • 【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.
  • 【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.
  • 【Quick Change】 1/4 inch hex shank fits into power tools more easily and securely.
  • 【Widely Use】Ideal for drilling, tapping, cutting on wood, soft metal, aluminum plate, iron, etc (Thickness: <3mm;Note: it can not work well with stainless steel 304 or high hardness metal. )
  • 6 Piece set Combination Drill & Taps Bit Set, Screw Tapping in 6 Sizes Metric Thread M3 M4 M5 M6 M8 M10 with Nano Blue Coating, Hex Shank