The Europa Tools Woodruff Cutter in HSS-E cobalt is designed for woodworkers who demand precise keyseat slots with durable performance. Its semi-circular cutting edge and flat bottom deliver clean, accurate results across a range of woodworking tasks. Material: HSS-E cobalt provides exceptional hardness, heat resistance, and wear resistance for longer tool life. Profile: Semi-circular cutting edge with a flat bottom enables reliable keyseat slot creation in workpieces. Dimensions: 10.5 mm x 3 mm (model 158116) for consistent sizing in standard setups. Cutting Quality: Sharp edges and efficient chip evacuation produce clean, precise cuts with minimal tear-out. Applications: Ideal for woodworking applications that require accurate keyseat slots in wood and similar materials. The Woodruff Cutter delivers reliable performance and repeatable results, helping you complete keyseat tasks efficiently. The cobalt-infused HSS design reduces heat buildup and wear during demanding cuts, extending tool life and reducing downtime. Its precise geometry ensures a snug fit for keys and fasteners, while its design supports clean finishes in cabinetry, millwork, and other detailed joinery projects.