30 Series Weld Pass This RFQ was sourced on www.MFG.com in USA for Other Grinding 30 series Ampco Weld Roll. Quantity of (1) set translates to (4) induvidual rolls. Buyer Information Industry City/Region Export, Pennsylvania Country USA RFQ RFQ Number 311162 Material Technical Specifications Category Other Grinding Dimensions The following suppliers (machine shops, fabricators, casters, molders, 3D printing, CNC machining, etc.) provide manufacturing services and are members of the MFG.com community. For more information visit http://www.mfg.com. MFG.com performs a 5-point inspection on all engineered parts and RFQs to ensure quality and enhance your quoting experience Other Grinding: Grinding is a process in which powder material is reduced in size and classified by particle size.