WHAT DOES HEAD NUT 442.7912-01 MEAN?

Hunan JY Casting is a leading supplier of Solid, cast, and fabricated wear remedies to OEM and aftermarket crusher operators. Now we have more than 30 yrs of encounter giving crushing wear parts to the global mining and mineral processing, oil sands, metal, cement, ability, and aggregate consumers. We offer CS430 crusher liners and have on parts wi