Universal Hex Nuts - High-Quality Steel Fasteners for DIY, Automotive & Machinery Projects - Bulk Pack for Home Repair and Industrial Use

King Arthur's Tools' UNIVERSAL NUT is re-engineered with a recessed back. Now you can securely tighten ALL King Arthur's Tools to your angle grinder with this truly "Universal Fit" nut. The recessed back allows discs to be easily tightened on different size angle grinders. 

The Universal Nut allows 2 blades to be tandem mounted on 4 1/2" (115mm) or 5" (125mm) angle grinders. 

NOTE: Only blades with 5/8" (16mm) and 14mm center hole sizes may be tandem mounted. All Holy Galahads with their 7/8" (22mm) centers also fit these grinders. The Universal Nut easily tightens all KAT accessories.