Amazon.com: Topbuti 5pcs Grinder Flange Angle Wrench Spanner Metal Lock Nut for Compatible with Dewalt Milwaukee 193465-4 Bosch Black Decker Ryobi Makita 5" 5/8-11 Parts : Tools & Home Improvement
Set of 3 Grinder Flange Replacement Parts 5/8-11 Grinder Nuts with Spanner Wrench, Angle Grinder Attachments Compatible with Dewalt Milwaukee Ryobi Makita - Amazon.com
MILWAUKEE, For Use With 4 1/2 in and 5 in Sanders/Grinders/Diamond Blades, Diamond Blade Flange Nut - 2Y691|49-05-0051 - Grainger
DEWALT 4-1/2 in. Backing Flange DW4706 - The Home Depot
King Arthur's Tools Universal Wrench, Flange & Nut Set for Angle Grinder - Fits most makes & models of electric & pneumatic power tools with standard 5/8”(16mm) #13730 - Amazon.com