Twist drill

A counterbore drill bit combines two steps into one – drilling the recessed hole and the through hole – which saves time and effort during the drilling process. This drill bit ensures the inner and outer holes are perfectly concentric.

A flat countersunk drill bit creates a clean, professional finish for woodworking projects. The recessed hole seats the screw head neatly, enhancing the appearance. Moreover, the counterbore center hole provides a slightly larger space than a 1/4" screw, allowing you to make fine adjustments before locking two workpieces together.

Flat Drill

Flat countersink drill bits are versatile and work well with various screws, including furniture screws, round screws, and even some socket-head screws. This versatility makes them suitable for a wide range of projects.

Straightfluted drill is used for

The O'SKOOL 9/32" x 1/2" Stepped Drill ensures a clean, polished finish, neatly seating screw heads and enhancing overall appearance. Its compatibility with various 1/4" screws makes it suitable for a wide range of projects. Experience a simplified drilling process that saves time and effort, all while reducing the risk of wood splitting. Perfect for both DIY enthusiasts and professionals alike!

Drive Shank: 25/64 Inch (10mm), Drill Size: 9/32 Inch (7mm), Counterbore Size: 1/2 Inch, Drill Length: 4 Inch, Counterbore Length: 15/16 Inch