33216 – 1/4″ x 1/2″ 3-Flute Flat Bottom Counterbore with TiN coated twist drill
$16.52
$28.59
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: 1/2″ ØReplacement Twist Drill: Part # 39116-Works with our Premium Rotating Stop Collar!
Countersinks & Counterbores