Engine Cold Crack Repair, Plug type: D and E

It’s made from ductile cast iron, which is a type of cast iron that’s more malleable and resistant to cracking than traditional cast iron.

HSS Tapered Reamer for Irontite Casting Crack Repair Prepares holes for D, D-1, D-1 Special ductile iron plugs, extending tap lifespan, especially when working with thick castings.