Engine Cold Crack Repair, Drill size (inches): #30 and 1-1/4

J, J-Drilled HSS Tapered Tap. High-speed steel tap for preparing holes for “J” Solid and “J-2 Drilled” ductile iron plugs in casting repair.

Need a reliable seal for your diesel engine? Look no further than our J size Solid Iron Diesel Plugs/Pins. Made from premium ductile cast iron and stress-relieved for optimal performance, these plugs offer a durable and long-lasting solution for your engine’s needs.

J-2 Drilled Diesel Ductile Iron Repair Plug. Drilled ductile iron plug with a ½” hole, 1 ½” thread length, and 1.312” small end diameter. Used for cold crack repair in diesel castings.

J HSS Tapered Reamer. Used for reaming injector holes in Cummins ISX15/QSX15 engines prior to tapping for “J” Plugs.

Enlarging Counter Bore Cutter (1-¼” Diameter) for Cummins ISX15/QSX15 DOHC & SOHC Engines. Used to prepare the injector hole for repair.

Repair cracks in cast metal components with TPD Tapered Threadless Pins. Smaller (0.100” small end) than TBA or TPC pins, these are ideal for cold casting repair in tight spaces, providing a strong, durable, and stress-free solution without welding. Also used to prevent spun bearings in high-performance applications. 15/16” length.