36424 – 3/8″ x 1″ 3-Flute Flat Bottom Counterbore with TiN coated twist drill
36420 – 5/16″ x 1″ 3-Flute Flat Bottom Counterbore with TiN coated twist drill
Sale!
32408 – 1/8″ x 3/8″ 3-Flute Flat Bottom Counterbore with TiN coated twist drill
$ 14.63
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: 1/8″ Ø Counterbore Size: 3/8″ Ø -Works with our Premium Rotating Stop Collar!
