The Europa Tools Woodruff Cutter is a precision milling tool designed for woodworkers who demand accurate keyseat slots with dependable consistency. Built with HSS-E cobalt, it delivers enduring hardness and excellent heat and wear resistance for longer tool life and reliable performance. Material: HSS-E cobalt construction for enhanced hardness, heat resistance, and wear longevity. Size / Geometry: 10.5 mm x 2 mm cutting dimensions with a semi-circular cutting edge and a flat bottom for precise keyseat slots. Cutting profile: Semi-circular edge paired with a flat base to produce clean, accurate slots and smooth bottoms in workpieces. Precision & reliability: Model 158116 is known for consistent results and dependable performance in woodworking applications. Chip evacuation: Efficient chip clearance supports steady cuts and reduces clogging during operation. This Woodruff cutter helps you achieve precise fits for keyed joints and hardware applications in woodworking projects. Expect cleaner cuts, reduced rework, and longer tool life thanks to the durable cobalt-enhanced steel. Ideal for shop setups where accuracy and repeatability matter, it supports both professional workflows and hobbyist projects with durable, consistent results.