Female thread for welding on steel Dash 8 Female thread for welding on steel Dash 8 Steel Thread for welding If there is no thread available If a thread is required for various connections such as oil pipes, water pipes or other connections, but is not available, we offer threads for welding. This allows a thread to be created where it was not before. Simply drill a hole and weld it on. These threads are primarily provided with American thread dimensions, since our hydraulic fittings, with which lines can be manufactured themselves, also have these threads. Design: Female (female thread) Material: Steel Thread: -8AN / Dash 8 / 3/4" inch / 16 SAE thread Diameter: 25mm