Snappy Flat Bottom Counterbore Countersink 5/16in. Drill Bit x 3/4 Bore USA Made 5/16 Drill x 3/4 CntBore
Snappy Flat Bottom Counterbore Countersink 5/16in. Drill Bit x 3/4 Bore USA Made
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.
Product Features
- Drive Shank: 1/4" Hex Power Bit Shank
- Drill Size: 5/16"
- Counterbore Size: 3/4"