Alloy Woodworking Countersink Drill Bit Sets

Alloy countersink drill assemblies with a 6.35 mm hex shank, replaceable center drill and adjustable cutting depth for woodworking 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

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1 option

Inquiry selection: Alloy Woodworking Countersink Drill Series

Description

Alloy Countersink Drill Assemblies for Controlled Hole Depth

These bronze-finish countersink drill assemblies combine an alloy cutter head, replaceable center drill and quick-change hex shank. They are designed for clean chip removal, repeatable screw recesses and straightforward drill replacement.

Range specifications

Shank	1/4 in (6.35 mm) hex shank
Center drill	Replaceable high-speed-steel center drill
Cutter head	Alloy countersink cutting head
Typical materials	Solid wood, hardwood, plywood, MDF and particleboard

Typical applications

Countersunk screw holes
Hidden fastener installation
Cabinet and furniture production
Wood panel assembly

Ordering guidance

Send the required center-drill diameter, target countersink diameter, drilling depth, screw specification, material and quantity. Confirm whether individual assemblies or multi-size sets are required.