Image Cruz Macho Cara Plana Markets Maintenance Repair Operations (MRO) Product Options Part Number Male Thread Male Thread Size Material FS2650-04 Flat Face 9/16”-18" Zinc Plated Steel FS2650-06 Flat Face 11/16”-16 Zinc Plated Steel FS2650-08 Flat Face 1 3/16”-16 PSI Zinc Plated Steel