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Engineering Notes
Practical notes on specifying industrial hose fittings — written by the people who machine them. No marketing, just the decisions that actually matter when you are putting an assembly together.
How to pair a tail and a ferrule properly: reading hose ID against OD, choosing between BSPP, BSPT and NPT, picking F50, F60 or F70, deciding crimp versus clamp, and why mixed metals fail at the crimp.
Read the guide →Coming next: BSP versus NPT thread identification in the field, and choosing between 316 and 304 stainless for hose fittings. If there is a specification question that keeps coming up in your work, tell us and we will write it up.