Fuller 1/2 in. x 3/16 in. Drill Countersink

Fuller 1/2-in. x 3/16-in. Drill Countersink

The Fuller 1/2-in. x 3/16-in. Drill Countersink combines pilot-hole drilling and countersinking into one efficient operation. Designed for woodworking and fastening applications, this countersink slips onto a compatible 3/16-in. drill bit to create a pilot hole and a clean countersink for the desired plug size in a single step.

Drill and Countersink in One Step

Save time and simplify your workflow by drilling the pilot hole and preparing the countersink at the same time. The countersink is designed to work with any type of drill bit in the specified diameter, making it a versatile addition to your woodworking drill-bit setup.

Controlled Countersink Depth

Use stop collars to control the drilling and countersinking depth for consistent results. Proper depth control helps create uniform recesses for wood plugs and provides a clean, professional appearance when concealing screws.

Ideal for Woodworking Projects

This Fuller countersink is a practical choice for cabinetmaking, furniture construction, trim work, repairs, and other woodworking projects where screw holes need to be cleanly recessed for plugging or finishing.

• 1/2-in. countersink size for the desired plug size
• 3/16-in. drill diameter for the compatible pilot hole
• Drills the pilot hole and countersink in one step
• Works with any type of compatible 3/16-in. drill bit
• Use stop collars to control countersink depth
• Useful for woodworking, cabinetry, furniture, trim, and general fastening applications

Note: Drill bit is not included and must be ordered separately.