‘SSW’ SAE Split Flange Adapters DMIC’s Split Flange Adapters terminate an SAE/ISO/BSP thread with an SAE Split Flange Head. Quick order DMIC Split Flange kits for a ready to use solution, available with choice of sealing and UNC/Metric bolts. Step-size models, the uncommon 3 ½” size, and Stainless Steel versions are available for rapid delivery.