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FineCore Precision
Ground steel splined shaft lying on its side, with six straight-sided splines between a bearing seat and a keyed journal

CNC machining

Splined shaft

Process
Turning between centres, milling the splines and the keyway, induction hardening and grinding
Typical materials
Steel 42CrMo4 (1.7225), quenched and tempered, induction hardened
Typical use
Transmitting torque to sliding gears and hubs in gearboxes and machine drives