
Snappy Flat Bottom Counterbore Countersink Drill Bit 3/8” to 3/4” Bore USA MADE
COUNTERBORES SD-3 FLAT BOTTOM
SD-3 Flat Bottom Counterbores drill pilot hole or clearance hole and counterbore a flat bottomed hole in one step.
• Great for lag screws lag bolts washer head screws T-nuts & more.
• TiN (Titanium Nitride) coated twist drill offers superior wear resistance. • Made of thru-hardened alloy steel for long cutting life.
• Precision machined with integrated 1/4” hex shank.
• Excellent chip clearance and cutting performance even in hard woods.







