Plasma torch and retaining cap with fast securing threads

摘要

A retaining cap (56) for a plasma torch is provided that includes fast securing threads (85, 87). The retaining cap includes internal threads (85) that couple to external threads (87) of a torch body (58) of the plasma torch. The internal and external threads may be multiple start threads having a thread angle greater than 60°. Plasma torches and plasma cutting systems are also provided.