Cratex Wheels - 4" x 1/2" Grit:Medium Three opening sizes accommodate different

Three opening sizes accommodate different chain gauges and design requirements

using this motor helps prevent spring breakage

Replacement diamond grinding wheel designed for the PUK Electrode Sharpener

Newest version (October 2025)—updated design and pricing

designed for diamond scratch engraving on the interior of rings

Cratex Wheels - 4" x 1/2" Grit:Medium Three opening sizes accommodate differentCratex Wheels offer reliable rubber bonded abrasive performance for polishing and finishing metal surfaces. These 4" diameter wheels are designed for bench grinders and similar stationary equipment, delivering consistent material removal and surface refinement across three grit options. Whether you need aggressive cutting action or a finer finishing pass, there is a grit level suited to the task. Features 4" diameter rubber bonded abrasive wheel for