Porting Tool: 0.989" Spotface Dia, 3/8" Tube OD, Plain, 9/16-18" Port, High Speed Steel MPN:H42P-6

The porting tool is designed to create threads on various metal surfaces by applying different tools such as drill bits or end mills while maintaining accuracy and precision for creating ports on engines cylinder heads, automotive parts or industrial equipment components. The high speed steel construction ensures long-lasting durability while reducing wear from continuous use during the threading process. It features a 0.989-inch spotface diameter for precise alignment of threads with port openings and a 3/8-inch tube OD, suitable for mounting on various lathe or milling machines. The plain design minimizes chatter during threading operations while providing stability on machined surfaces preventing wobbling or misalignments when threading. Overall, this tool is versatile making it ideal for aerospace, automotive repair shops, and machine shops requiring accurate and precise threading services at an affordable price range.