The Europa Tools Woodruff Cutter is a precision HSS-E cobalt tool designed for clean, accurate keyseat cuts in woodworking projects. Built around the reliable 158116 design, it delivers durable performance and consistent results you can trust in the workshop. Material: HSS-E cobalt alloy provides exceptional hardness, high-temperature resistance, and added wear resistance for longer tool life. Cutting geometry: Semi-circular cutting edge with a flat bottom enables precise keyseat slots with clean, controlled edges. Size and shank: 45.5 mm cutter diameter with a 10 mm shank, compatible with common milling and drilling setups. Sharpness and chip evacuation: Sharp cutting edges paired with efficient chip evacuation deliver smooth, accurate cuts and reduced clogging. Model and reliability: 158116 model is known for dependable precision and consistent performance across repetitive runs. This Woodruff cutter is well-suited for cabinetry, joinery, and custom fitments where precise keyseat slots are essential. The cobalt-enhanced steel resists heat buildup during high-speed cuts, helping maintain edge integrity and reducing rework. With its stable geometry and durable construction, you can achieve repeatable fits and cleaner finishes, even on denser woods. For projects that require accurate, repeatable keyseat slots, this cutter offers a practical balance of performance, longevity, and value.