Fuller 1/2 in. x 1/8 in. Drill Countersink

Fuller 1/2-in. x 1/8-in. Drill Countersink

The Fuller 1/2-in. x 1/8-in. Drill Countersink makes it easy to drill a pilot hole and create a clean countersink in a single step. Designed for woodworking and general fastening applications, this countersink slips directly onto a 1/8-in. drill bit, helping you efficiently prepare holes for 1/2-in. wood plugs.

Drill and Countersink in One Step

Save time and simplify your drilling process by combining pilot-hole drilling and countersinking into one operation. The Fuller countersink cuts a recess around the pilot hole, allowing the fastener head to sit below or flush with the surface for a cleaner finished appearance.

Designed for 1/2-in. Plugs

This countersink is sized for applications using 1/2-in. wood plugs. The 1/8-in. drill diameter provides the pilot hole size needed for compatible fastening applications, making this a useful accessory for furniture construction, cabinetry, trim work, and other woodworking projects.

Works With Your Drill Bit

Simply slip the countersink onto a compatible 1/8-in. drill bit. The design allows you to use the countersink with the drill bit of your choice rather than requiring a dedicated drill-and-countersink bit.

Adjustable Drilling Depth

Use a stop collar to control the drilling depth and achieve consistent results from hole to hole. Setting the desired depth helps prevent drilling too deeply and provides greater control when preparing holes for plugs and fasteners.

Ideal for Woodworking

• Drills a pilot hole and countersink in one step
• Designed for 1/2-in. wood plugs
• Fits a 1/8-in. drill bit
• Works with compatible drill bits of the specified diameter
• Use with a stop collar for controlled drilling depth
• Ideal for furniture, cabinetry, trim, and woodworking projects
• Helps create clean, consistent recessed fastener holes

Note: Drill bit and stop collar are not included. Order the appropriate 1/8-in. drill bit separately.