ARBOR FOR SPOTW.
Blair 13216 1/4" Hole Cutter Arbor with Retractable Pilot Pin
Blair 11094 Premium Spotweld Cutter with Standard PIlot
Blair 11094 Premium Spotweld Cutter With Standard Pilot
Blair 13224 3/8" Double End Spotweld Cutter in Blister With 2 packs Replacement
Blair 13224 3/8" Double End Spotweld Cutter in Blister With 1 pack Replacement
Blair 13214 3/8" Double-End Spotweld & Access Cutter (3 Pack)