• 100% brand new and noble quality.
• Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc.
• Fast replacement composite cone, uses drill edged principle.
• Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency.
• Self-centering point, do not need assistant center drilling or center punching.
• High hardness, rustproof, solid and durable.

• Material: HSS
• Shank diameter: 6.35mm hex shank(1/4")
• Color: silver tone
  
• Full length: 56mm
• Blade length: 28mm
• Shank length: 30mm
• Blade diameter                       Weight
  

  001 6-32NC(3.5mm)                    about 8g

  002 8-32NC(4.2mm)                    about 8g

  003 10-24NC(5mm)                     about 9g

  004 10-32NC(5mm)                     about 9g

  005 12-24NC(5.7mm)                  about 10g

  006 1/4-20NC(6.35mm)               about 11g

• 5x Hex Shank HSS Drill Bit & Screw Tap of Imperial Units
• or One for each specification(6pcs)
•