Quick Release Counterbores

55286 Carbide Tipped Counterbore 1/2 Dia x 1/4 Quick Release Hex Shank

#55286

Specification
(D) Diameter 1/2
(d) Shank 1/4
Overall Length (L) 2-3/4
D1 1/4
Replacement Drill 630-702

Flat bottom counterbores for using round head screws, hex bolts, etc. Includes pilot drill.

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/non-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.Set ScrewHex keyDrill Bit

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