32809 – 9/64″ x 7/16″ 3-Flute Flat Bottom Counterbore with TiN coated twist drill
$14.73
$23.57
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: 9/64″ ØCounterbore Size: 7/16″ ØReplacement Twist Drill: Part # 39109-Works with our Premium Rotating Stop Collar!
Countersinks & Counterbores