Master Common Plumbing Skills 2026 – Dive into Success with Our Practice Test!

After cutting threads, the next typical step is to wipe away the excess cutting fluid. Cutting fluid lubricates the tool and reduces heat during threading, but its residue can contaminate the joint and affect how the fitting seats and seals. Cleaning it off helps you inspect the threads for burrs or damage, ensures a clean surface for proper engagement, and prepares the threads for the jointing material and final assembly. Once the threads are clean, you would then apply the appropriate jointing material and screw the fitting into place, tightening with the proper tools. Re-cutting the threads would risk damage, and skipping the cleaning step could leave contaminants that compromise the seal or cause improper seating.