Fuller 1/2 in. x 11/64 in. Drill Countersink

Fuller 1/2-in. x 11/64-in. Drill Countersink

The Fuller 1/2-in. x 11/64-in. Drill Countersink lets you drill a pilot hole and create a clean countersink in one efficient operation. Designed for woodworking and fastening applications, this countersink attaches to a compatible 11/64-in. drill bit, helping you prepare holes for plugs while saving time during installation.

Drill and Countersink in One Step

Simply slip the 1/2-in. countersink onto an 11/64-in. drill bit to combine pilot-hole drilling and countersinking into a single operation. This makes it easier to create consistent holes ready for screw installation and wood plugs.

Designed for 1/2-in. Plugs

The 1/2-in. countersink creates a recess sized for the desired 1/2-in. plug, making it a practical choice for projects where fasteners need to be concealed beneath the surface. The resulting recess can be filled with a matching or contrasting wood plug for a clean, finished appearance.

Adjustable Drilling Depth

Use stop collars to control the drilling and countersinking depth. This allows you to set the desired depth for your specific material, fastener, and plug installation requirements.

Ideal for Woodworking Projects

• Combines pilot-hole drilling and countersinking in one operation
• Designed for use with an 11/64-in. drill bit
• Creates a 1/2-in. countersink for plug installation
• Use stop collars to control hole and countersink depth
• Useful for furniture, cabinetry, trim, and general woodworking
• Helps create clean, consistent recesses for concealed fasteners

Note: Drill bit and stop collar are not included. Order the appropriate 11/64-in. drill bit separately.