Fuller 1/4 in. x 3/32 in. Drill Countersink

Fuller 1/4-in. x 3/32-in. Drill Countersink

The Fuller 1/4-in. x 3/32-in. Drill Countersink makes it easy to drill a pilot hole and create a clean countersink in one step. Designed for efficient woodworking and fastening applications, this countersink slips onto a compatible drill bit, allowing you to combine drilling and countersinking into a single operation.

Drill and Countersink in One Step

Install the countersink onto a drill bit with the specified diameter and drill the pilot hole and countersink at the same time. This saves time and helps create consistently prepared holes for screws and wood plugs.

Adjustable Cutting Depth

Use a stop collar to control the drilling and countersinking depth for repeatable results. Depth control is especially useful when preparing multiple holes for cabinet, furniture, trim, and other woodworking projects.

Versatile Woodworking Accessory

The Fuller drill countersink is a practical addition to any woodworking drill-bit collection. It can be used with compatible drill bits for preparing holes where screw heads need to sit below or flush with the work surface.

• Size: 1/4-in. x 3/32-in.
• Drills the pilot hole and countersink in one operation
• Fits onto a drill bit of the specified diameter
• Use with a stop collar to control cutting depth
• Ideal for woodworking, cabinetry, furniture, trim, and general fastening applications
• Drill bit sold separately

For clean, consistent screw preparation, the Fuller 1/4-in. x 3/32-in. Drill Countersink provides a simple and efficient way to combine pilot-hole drilling and countersinking in a single step.