U Bolts

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U Bolts

U Bolts are headless bolt fasteners with bent profile in shape of letter U or C, used for anchoring pipes, round or square profile. Unlike J bolts, U bolts provide greater degree of support due to its design. U anchor bolts are generally used with 4 hex nuts, 2 on either side of the anchoring roof or directly tapped into a hole. U bolts are often called bent hook bolts. Bent u bolts, u anchor bolts, u hook bolts are other alias of U bolts. U bolt dimensions are defined in both metric and imperials sizes with unified national coarse pitch (UNC), fine pitch (UNF), fixed pitch (UN) and iso metric thread profile. These are produced across all material categories and astm specifications.

Browse the page for information on U bolt manufacturing process, forming method, available sizes, sub-types, thread types, metric and imperial dimension standards, weight charts, torque values, material categories, grades and astm specifications.

U Bolts Properties


Forming Hot & Cold Forged
Metric Size M10 to M100
Imperial Size 3/8 to 8"
Threads UNC, UNF, ISO, BSW & ACME.
Standards ASME,BS,DIN,ISO,UNI,DIN-EN
Sub types 1. Fully Threaded U Bolts
2. Partial Threaded U Bolts
3. Metric U Bolts
4. Imperial U Bolts

U Bolts Standards


ASME B18.2.1 3/8 inch to 3 inch
BS 1769 ½ inch to 2 inch
ASME B18.2.3.6M M12 to M36
ASME B18.2.3.7M M16 to M36
DIN 6914 M12 to M36
ISO 7412 M12 to M36
UNI 5712 M12 to M36
DIN-EN 14399-4 M12 to M36

U Bolts Materials


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