King Arthur’s Tools Universal Hex Nuts are specially made to secure tandem combinations on angle grinders. Design includes universal hexagonal heads with a flat base. A Universal Nut allows 2 blades to be tandem mounted on 4 1/2” (115 MM) or 5” (125 MM) angle grinders.
Our unique Universal Hex Nut has now been retooled with a recessed back that also SECURELY tightens ALL Galahad and Holey Galahads to 4-1/2″ Angle Grinders.