33212 – 3/16″ x 1/2″ 3-Flute Flat Bottom Counterbore with TiN coated twist drill
$15.58
$29.76
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: 3/16″ ØCounterbore Size: 1/2″ ØReplacement Twist Drill: Part # 39112-Works with our Premium Rotating Stop Collar!
Countersinks & Counterbores