On this page 5 sections
Key features of u-bolts
- Sized to pipe OD
- Galvanised or stainless
- Pipe supports and clamps
- Supplied with nuts
U-Bolts by material
U-Bolts are available in the following grades. Select a grade for specifications and sizes.
Stainless Steel
- SS 304 U-Bolts
- SS 316 U-Bolts
- SS 316L U-Bolts
- SS 321 U-Bolts
- SS 347 U-Bolts
- SS 410 U-Bolts
- SS 904L U-Bolts
- Duplex 2205 U-Bolts
- Super Duplex 2507 U-Bolts
Nickel Alloys
- Inconel 600 U-Bolts
- Inconel 625 U-Bolts
- Inconel 718 U-Bolts
- Incoloy 800 U-Bolts
- Incoloy 825 U-Bolts
- Monel 400 U-Bolts
- Monel K-500 U-Bolts
- Hastelloy C22 U-Bolts
- Hastelloy C276 U-Bolts
Non-Ferrous Metals
U-Bolts: sizes, finishes and testing
- Size range
- M6 – M100 and ¼" – 4" (larger on request); lengths to flange tables or drawing
- Finish
- Plain, black oxide, zinc, hot-dip galvanised, PTFE-based fluoropolymer, zinc-nickel
- Ends
- Chamfered points; full or partial thread
Testing & documents
- Chemical and mechanical tests of bar and finished bolts
- Hardness tests
- Proof-load and wedge tests where applicable
- Coating thickness and adhesion
- EN 10204 3.1 certificate; 3.2 with third-party inspection
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Other bolts types
Frequently asked questions
What sizes are u-bolts available in?
M6 – M100 and ¼" – 4" (larger on request); lengths to flange tables or drawing.
Which specifications cover u-bolts?
The product specification for the grade, with dimensions to the relevant ASME or EN standard.
What are u-bolts used for?
Galvanised or stainless. They're supplied in carbon steel (galvanised) and stainless steel to pipe-size dimensions.
Which materials are u-bolts available in?
Stainless steel, nickel alloys, carbon and alloy steel and non-ferrous metals, depending on the specification. See the material list above.