Porting Tool: 0.8380" Spotface Dia, 1/4" Tube OD, Reamer, 7/16-20" Port, Carbide-Tipped, Tube Dash # 4.000 MPN:SAEJ1926-04RX3A

OSG porting tools are designed to serve professionals working in automotive, aerospace, and marine industries who require precision machining tasks. They offer the versatility needed for engine building or maintaining applications with various tube outside diameters and spotface diameters while providing superior cutting performance and durability due to their high-speed steel composition. Their reamer pilot type ensures accurate centering and reduced misalignment issues during use.