Woodworking Countersink Drill & Replacement Bit Sets

Adjustable woodworking countersink drill assemblies and replacement center-bit sets for flush screw seating and concealed screw installation.

Key specifications

Cutter diameter	3–20 mm
Cutter thickness	0.5–8 mm
Clearance diameter	1.5–10 mm
Clearance length	4–25 mm
Shank diameter	4–20 mm
Overall length	50–75 mm
Flutes	4

Ranges show listed options. Available dimension combinations vary by cutter diameter; see the size charts below.

Standard model range

Select a model and dimensions

1 option

Inquiry selection: Woodworking Countersink Drill and Replacement Bit Series

Description

Countersink Drill Sets for Clean, Repeatable Screw Installation

These woodworking countersink drills combine a center drill, countersink cutting head and depth-control assembly for repeatable pilot holes and clean screw-head recesses. Replacement drill sets support routine production and maintenance.

Range specifications

Center drill range	2.8, 3.0, 3.2, 3.5 and 4.0 mm
Typical shank	8 mm round shank
Working method	Pilot drilling and countersinking in one setup
Typical materials	Solid wood, plywood, MDF and particleboard

Typical applications

Flush-head screw installation
Concealed screw recesses
Cabinet and furniture assembly
Replacement center-drill stocking

Ordering guidance

Send the required center-drill diameter, countersink diameter, target drilling depth, shank size, workpiece material and quantity. Confirm whether a complete assembly, replacement drill set or adjustment tool is required.