AMTOVL Hex Shank Drill Bits 6pcs Spiral Drill Bit HSS Combination Drill Tap Bit Hex Shank Countersink Tap Drill Bit Set Titanium Coated Countersink Bit

  • Product Specification
    6pcs HSS Countersink Tap Drill Bit Set: Made of high quality HSS cover with Titanium Coated high durability and hardness. Thread Diameter:M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5 to meet your diversified requirements.
    • Product Details
  • Specifications:

    Color: Silver

    Type: Tap Drill Bit

    DIY Supplies: Metalworking

    Material: High Speed Steel (HSS)

    Chamfer Angle: 90

    Shank: 1/4" (6.35mm) hex shank

    Surface treatment:Titanium Coated

    Thread Diameter:M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5


    Perfect for soft tapping metal, Aluminum, Wood, Plastic, etc.

    Multi-use drill tap deburr countersink hex bit kit.

    The advantage is opening, tapping, chamfering.

    Hole drilling, tapping and deburring/countersinking.

    Decrease processing steps and save time, improve working efficiency.

    Back tapered beyond tap to prevent thread damage from over-drilling.

    Its a spiral groove, within the processing thread, cutting up to exclude, and was curled applied internally threaded through holes.You can also insert the screws in the hole where have been drilled.