A precision countersink bit engineered for clean, flush screw seating in wood, aluminium, and plastic.Machined from high-carbon alloy steel, this rosehead countersink delivers consistent 90° countersinking with minimal tear-out. The ¼″ hex shank integrates directly with impact drivers and quick-change adaptors, eliminating chuck changes mid-task. Suited to cabinetry installation, joinery, and general construction where screw-head flush-finish is required.Product Details Material: High-carbon alloy steel Shank: ¼″ hex — compatible with impact drivers and quick-change adaptors Diameter (d1): 16mm Length (l1): 50mm Countersink angle: 90° Screw head compatibility: M6 Compatible materials: Wood, aluminium, plastic Best ForCountersinking pilot holes during cabinet carcass assembly, drawer box installation, and hardware fitting where screw heads must sit flush or below the surface. Particularly useful when working with flat-pack cabinetry or aluminium extrusions that require a clean, recessed finish.
