Cup Buster – Threaded Cupwheel Removal Tool

Description Cup Buster Cupwheel Removal Tool – Remove threaded 7″ diamond cupwheels fast, even with dust shrouds attached. Works with breaker bars, ratchets, or impacts to spin off stuck wheels without damaging your grinder or cup. Laser-cut from AR500 3/8″ steel for strength and reliability under load. Slotted to fit most 7″ cupwheels, this tool adapts to different setups using standard 5/16″ or M8 bolts (user-supplied). A universal fit designed to speed changeovers and avoid downtime. Perfect for pros who regularly change wheels or deal with seized hardware. Works with many backing plate styles—even cordless setups. Less frustration. Faster jobs. Removes 7″ cupwheels with shrouds still mounted 3/8″ or 1/2″ drive compatible Accepts 5/16″ or M8 bolts (not included) – I recommend carriage bolts typically 1″-1.5″ in length Universal slot fits most 7″ threaded wheels – some 4.5″ cupwheels too depending on the cooling holes 3/8″ AR500 steel – no flex under pressure Use with breaker bar, ratchet, or cordless impact Bench-test fit before jobsite use Custom options available on request