Fantaoflex is a stainless steel hydraulic fittings manufacturer, and having a wide of threads for different customers’ needs. Today, Fantaoflex will guide you how to identify the threads of hydraulic fittings.

There are four steps to thread identification:
Step 1 – Determine if the thread is tapered or parallel. NPT/NPTF and BSPT are tapered threads while UN/UNF and BSPP are parallel. …
Step 2 – Determine the pitch.
Step 3 – Determine the size.
Step 4 – Designate the thread.