No.75L Long Taper Point Bit (Hex Shank)

Makes pre-holes for nail or screw to prevent breaking the wood
Recommended for the longer screw and to prevent breaking the screw holes


  • Making pre-holes, to prevent break the wood when hitting nails and tightening screws.
  • Can make longer pre-holes for using long nails or long screws.
  • Tapered and single flute bit style features good bites to the woods and smooth wood chip ejection.


Usage Wood
Fiber Cement
Particle Board
Recommended tool(s) Quick Change Impact Driver
Electric Power Drill
RPm Range Less than 3,000 rpm
Material(s) High Carbon Steel
Markings markings


  • long taper point bit size

  • Size:D
  • Overall Length:L
  • Spiral Length:SL
  • Shank Shape:d
  •  Unit:mm

Product No. Size Overall Length Spiral Length Shank Shape Qty (Inner Box)
75L-040 4 165 100 6.35 6
75L-050 5 180 115 6.35 6
75L-060 6

Bits of knowledge

  • Custom Auger bits can be made to order. (Form)


  1. 1. How deep should the pre-hole will be?
    Make a pre-hole of 2/3 to half the length of the screw.
  2. 2. Which part of the taper point bit is indicated as size 4mm?
    The size 4mm is indicated at the most biggest diameter of the taper point bits
  3. 3. What is size to match the screw?
    Refer to the below guideline.
    Taper Point Bit size Applicable screw sizes
    4mm 3.1〜4.5mm
    5mm 5.1〜5.8mm
    6mm 6.1〜6.5mm