Female thread for welding on steel Dash 16 Female thread for welding Steel Dash 16Steel 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 there was no thread before. Just 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 (internal thread) Material: Steel Thread: -16AN / Dash 16 / 1 5/16inch / 12 SAE Thread Diameter: 41mm