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The Makita 224512-1 is a genuine industrial-grade original equipment manufacturer (OEM) replacement lock nut designed for high-torque, high-velocity heavy-duty angle grinders and disc sanders. This mechanical fastener provides the axial clamping force necessary to secure abrasive grinding wheels, cut-off discs, diamond blades, and multi-discs to a tool's high-speed rotating spindle.
Features
Precision-machined solid steel stock construction for extreme mechanical vibration resistance
Dual-pin spanner wrench receptacles for leverage-assisted manual torque application
Precision-engineered concentric fit minimizes rotational wobble and harmonic vibration
Anti-loosening flange seat resists backing off under inertial deceleration forces
Hardened threads prevent stripping, deformation, or galling under extreme torque
Chemical resistance against moisture, cutting fluids, concrete dust, and atmospheric corrosion
Symmetrically placed pin-holes ensure balanced weight distribution across the axis of rotation
