Mini Cutoff Disc Mounting Arbor 94950 3M or Sait Posted on May 24th, 2016 by StellAdmin. Mini Cutoff Disc Mounting Arbor 94950 3M or SaitShop » Abrasives » Mini Cutoff Disc Mounting Arbor 94950 3M or Sait Mini Cutoff Disc Mounting Arbor allows use of cutoff discs on die grinders that accept a 1/4 shaft. Accepts discs with a 1/4 or 3/8 inch center mounting hole. $8.95 Mini Cutoff Disc Mounting Arbor 94950 3M or Sait quantity Add to cart