36416 – 1/4″ x 1″ 3-Flute Flat Bottom Counterbore with TiN coated twist drill
$34.01
$51.36
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 ShankDrill Size: 1/4″ ØCounterbore Size: 1″ ØReplacement Twist Drill: Part # 39116
Countersinks & Counterbores