Use Snappy® SD-3 Flat Bottom Counterbores to drill a pilot/clearance hole and counterbore a flat bottomed hole in one step. The unique geometry of the cutters provide excellent chip clearance and cutting performance, even in hardwoods. Perfect for #10 Pan Head screws.
Features:
- Use to drill a pilot/clearance hole and counterbore a flat bottomed hole in one step
- Perfect for #10 Pan Head screws, lag screws, lag bolts, washer head screws and more
- 3-flute flat bottom counterbore with TiN coated twist drill
- Made of thru-hardened alloy steel for long cutting life
Specifications:
- Drive Shank: 1/4″ Hex Power Bit Shank
- Drill Size: 3/16″
- Counterbore Size: 1/2″
- Finish: Titanium Nitride
- Material: Alloy Steel
What's Included:
- (1) Snappy Flat Bottom Counterbore - SD-3 - 3/16" x 1/2"
Product Notes:
- Works with the Snappy RotoStop™ Rotating Stop Collar For Countersink Drill Bits (#161436, sold separately)