3M Disc Retainer Nut – Secures Fibre Discs to Grinder or Sander Spindle – Works with 3M Disc Pad Hub – 5/16″ x 5/8-11 Thread – 2618

3M Disc Retainer Nut securely fastens a fiber disc to a disc pad hub or face plate for use with a rotary power tool. This nut is made to fit 3M disc hubs and face plates, but also fits fiber disc holders from other manufacturers.
Item model number ‏ : ‎ 00051111510476
Date First Available ‏ : ‎ February 14, 2013
Manufacturer ‏ : ‎ 3M
ASIN ‏ : ‎ B00C0LZZFM

Securely fasten fiber discs to a grinder or sander spindles
Compatible with 3M Disc Pad Hubs and face plates or any fiber disc holders with 5/8-11 or M14-2 threaded spindles
Tighten using a 1-1/4 inch spanner wrench with 1/4 inch pins (sold separately)
Different disc retainer nut lengths are available to attach 3M disc pad hubs, disc pad face plates, and fibre discs
Size: 39/128-inches length x 5/8″-11 INT thread