Faithfull Carbon Countersink 16.5mm

About this tool

The Faithfull 16.5mm Carbon Steel Rosehead Countersink is the larger option in the range, designed for countersinking bigger screw holes in wood. This 16.5mm diameter makes it particularly suitable for larger gauge screws and heavier-duty woodworking applications where substantial fixings are required, such as structural timberwork, heavy joinery, and construction projects. Featuring a precision-ground 60° included angle, this rosehead countersink creates the perfect profile for accommodating larger countersunk screw heads. The carbon steel construction provides dependable strength for demanding applications, whilst the rosehead design ensures smooth, efficient cutting action even in tougher hardwoods. Compatible with both hand drills and power drills, this countersink offers the flexibility to work across different scenarios and drilling equipment. Features and Benefits: • 16.5mm diameter for larger screw specifications • Carbon steel construction for robust performance • 60° included angle for accurate countersinking • Rosehead type for effective material removal • Suitable for hand and power drill use Specifications: Countersink Type: Countersink Size (mm): 16 Shank diameter: 6mm (1/4in) Shank length: 40mm (1.5/8in)

Retailer description · Tooled Up · Observed 12 Oct 2026. Check the retailer’s listing for full specifications and contents.