Types and characteristics of slotting knives

Seven Slotting Knife Types and Key Features

Slotting Knife Types are selected according to groove shape, material, depth, width, machine power, and finish requirements. Common designs include straight-flute knives, spiral knives, single-edge cutters, double-edge cutters, T-slot cutters, keyseat cutters, and replaceable-insert tools. Each geometry changes chip evacuation, cutting force, edge strength, and achievable surface quality.

Straight tools are simple and versatile, while spiral flutes improve chip flow and cutting smoothness. Single-edge designs provide generous chip space; multi-edge tools can raise productivity when the machine and material allow. T-slot and keyseat tools create undercuts or standardized grooves, and insert cutters simplify edge replacement in larger production applications.

Match diameter, cutting width, shank, flute count, reach, substrate, and coating to the job. Secure the workpiece, minimize runout and overhang, use staged depth, and maintain effective chip evacuation. An experienced slotting tool supplier can recommend suitable geometry. General milling cutter information also explains cutter forms, teeth, materials, coatings, and machining uses.