This M14 lock nut is a quick-clamping accessory designed for angle grinders and cutting machines. The unique locking structure holds the grinding or polishing disc securely in place during operation.
Made from 45# steel, this lock nut delivers durability and long service life, reducing the need for frequent replacement. Its fine steel construction withstands regular use on machines running at speeds up to 11,000 r/min with polishing plates up to 125mm diameter.
Installation is straightforward—you can fit it yourself in minutes, saving on service costs. The nut suits angle grinders and compatible cutting equipment with M14 connecting threads. Before ordering, confirm your machine uses the M14 thread size to ensure proper fit.
Specification: Material 45# steel. Outer diameter 50mm. Package dimensions 45 × 45 × 20mm. Weight 110g.
Check your machine’s thread specification and purchase with confidence.















