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32809 – 9/64″ x 7/16″ 3-Flute Flat Bottom Counterbore with TiN coated twist drill

$ 14.73

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: 9/64″ Ø Counterbore Size: 7/16″ Ø Replacement Twist Drill: Part # 39109 -Works with our Premium Rotating Stop Collar!