Shankless Counterbores with Slow Spiral Drills for Wood Screws

55140 Carbide Tipped Shankless Counterbore with Slow Spiral Drill, #20 Screw 5/8 Dia x 5/16 Drill Dia x 5/16 Drill Shank

#55140

Specification
(D) Diameter 5/8
(d) Shank 5/16
Overall Length (L) 4-5/8
Wood Screw Size #20
# Wings 2
D1 5/16
Replacement Drill 630-704
L1 1-1/2

Available in a wide variety of sizes, complete with slow spiral HSS M2 DIN 338 fully ground drill bit.

Excellent for Drilling:

  • Natural Woods
  • Man-Made Boards
  • MDF
  • Chipboard
  • Plywood
  • Aluminum/Non-Ferrous
  • Aluminum Composite Material (ACM)
  • Composites
  • Composite Decking Materials
  • High Density Polyethylene (HDPE)

Warning: When drilling aluminum-ferrous materials, for optimal results and extended tool life use lubricant or air cooling. Make sure the material is fixed and drill is stable during drilling.

Tool No.Drill Bit

Product Questions

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