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King Arthur's Tools Universal Hex Nuts are specially made to secure tandem combinations and any style Galahad or Holey Galahad, especially the round profiles, to angle grinders. The new design includes a recess in the flat base which seats over any protruding arbor and securely tightens the accessory. It can be used to secure any other type of accessory and is much easier to tighten using a 13/16” or 21mm wrench, crescent or spanner. 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.