Nuts and Ferrules for HPLC Tubing

What's on this page?

characteristic male nuts of different manufacturers and how to recognize them
characteristic ferrules of different manufacturers and how to recognize them
which male nuts and ferrules are interchangeable and which are not
protrusion numbers of tubing with swaged ferrules of different manufacturers
a scale drawing of ferrules and nuts available from other manufacturers
how to recognize metric and English type threads

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Male nuts

	Parker, length 0.210"
	Rheodyne, length 0.220"
	Rheodyne, length 0.250"
	Rheodyne, length 0.520"
	Swagelok, length 0.225"
	Uptight, length 0.250"
	Valco, length 0.300"
	Waters, length 0.320"

Protrusion lengths

	Parker, protrusion length 0.090"
	Rheodyne, protrusion length 0.170"
	Swagelok, protrusion length 0.090"
	Uptight, protrusion length 0.090"
	Valco, protrusion length 0.080"
	Waters, protrusion length 0.130"

Overview nuts and ferrules

Click on the drawing for a large full screen view (size: 120kb).

Ferrules

	Parker
	Rheodyne
	Swagelok: consists of a small back and large front ferrule
	Uptight
	Valco
	Waters

Interchangable ferrules

Nuts and ferrules that are interchangeable come from Parker, Swagelok and Uptight.
	Parker
	Swagelok
	Uptight

Not interchangable ferrules

Ferrules that are not interchangeable come from Rheodyne, Valco and Waters
	Rheodyne
	Valco
	Waters

Threads



English type: 1/4" male nut with 28 threads (1/4-28 threads)

English type: 10-32 threads

Metric M6 threads

last update: augustus 11, 2007

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