Hole Saw arbor supplied with 6.35mm (1/4″) pilot drill. Shank size 8.75mm (11/32″). Screw thread 5/8″-18. Screw thread 5/8″-18. Quick-Hitch arbors feature two locating pins inserted into the hole saw cap to prevent the hole saw overtightening on the screw thread. This allows easy and instant hole saw changes, without tools and without removing the arbor from the chuck.
