33216 – 1/4″ x 1/2″ 3-Flute Flat Bottom Counterbore with TiN coated twist drill

$ 17.00

Use SD-3 Counterbores to drill a pilot hole and counterbore a flat bottomed hole in one step. Perfect for lag screws, lag bolts, washer head screws, T-nuts & more.

  • Drive Shank: 1/4″ Hex Power Bit Shank
  • Drill Size: 1/4″ Ø
  • Counterbore Size: 1/2″ Ø
-Works with our Premium Rotating Stop Collar!

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