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Bolts 1/4-20 X 2-1/4 X 3/4 U-Blt &Nt (Bag 10)
Additional Notes
- Other sizes and quantities available by request
Manufacturer Resources
Product Specs
- Arra Compliant:
- C
- Buy American Compliant:
- C
- Dimensional Standard:
- ASME B18.2.2
- Division:
- Electrical H1
- Fastener Head Width:
- 0.428 - 0.438 in.
- Fastener Height:
- 0.212 - 0.226
- Fastener Length:
- 2/1/04
- Fastener Width:
- 4-Mar
- Field Application:
- Electrical, Plumbing, Heating, Air Conditioning Industries
- Language Code:
- EN
- Material Standard:
- U-Bolt: ASTM A307 / Nut: Grade A per ASTM A563
- Neurspe:
- https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-U-Bolt_St-Zn.pdf
- Number Of Nuts:
- 2
- Order Minimum Imperial:
- 10
- Order Minimum Uom Imperial:
- EA
- Pack Type:
- Bag
- Product Group:
- Fasteners
- Product Height:
- 2 in
- Product Length:
- 4 in
- Product Weight:
- 327 g
- Product Width:
- 101.6 MM
- Sub Division:
- Electrical-E H2
- Thread Direction:
- Right Hand
- Thread Per Inch:
- 20
- Thread Standard:
- ANSI/ASME B1.1
- Department:
- Electrical
- Product Subgroup:
- Bolts
- Product Type:
- U-Bolt with Hex Nuts
- Type2:
- U-Bolt with Hex Nuts
- Series:
- UB
- Product Finish:
- Zinc
- Product Details:
- U-Bolt with Hex Nuts
- Pipe Size Dimension:
- 8-Mar
- Product Material:
- Steel
Metallics UB03 – Frequently Asked Questions
1) What size pipe or conduit will the Metallics UB03 U-bolt clamp?
The UB03 is a 1/4-20 U-bolt with a 3/4 inch inside width and 2-1/4 inches of leg length, so it wraps around a run roughly 3/4 inch across, which covers 3/4 inch nominal EMT or rigid conduit and similar small-diameter pipe. If your run is larger than 3/4 inch outside diameter, the legs won't close around it and you need a wider U-bolt.
2) Does the Metallics UB03 U-bolt meet Buy American and ARRA requirements for a federally funded job?
The UB03 is listed as both Buy American compliant and ARRA compliant, which is what a government or institutional procurement file usually needs on a fastener line item. Country of origin is listed as multiple, so if your specification requires a single documented origin, confirm the origin on the lot you receive.
3) Do the nuts come with the Metallics UB03 U-bolt, or do I order them separately?
Nuts are included. Each UB03 ships with two hex nuts, one per threaded leg, so no separate nut order is needed. The nuts are Grade A per ASTM A563 and the thread is right hand 1/4-20.
4) Is the Metallics UB03 U-bolt OK for outdoor or damp locations?
It is zinc plated steel, which handles damp interior and general outdoor use with incidental moisture. Zinc plating is not a marine or chemically corrosive duty finish, so for coastal exposure, wash-down areas, or chemical plants, specify stainless instead.
5) What standards does this 1/4-20 U-bolt and nut assembly conform to?
Three apply to the UB03. The U-bolt steel is ASTM A307 and the nuts are Grade A per ASTM A563; nut dimensions follow ASME B18.2.2; threads follow ANSI/ASME B1.1. That combination is the standard low-carbon bolt and nut pairing for general support and hanging work, not a structural high-strength assembly.
6) Will a standard 7/16 wrench fit the nuts on the Metallics UB03?
Yes. The hex nuts measure 0.428 to 0.438 inch across the flats, which is the 7/16 inch size, and they stand 0.212 to 0.226 inch high. A 7/16 wrench, socket, or nut driver tightens them.
7) How many U-bolts are in a bag of Metallics UB03, and is there an order minimum?
The UB03 is bagged 10 pieces, with a minimum order of 10 each. That is one bag per order line, which is why it suits stocking a service truck or an MRO crib rather than buying singles.
8) What trades actually use a U-bolt like the Metallics UB03?
It is catalogued for electrical, plumbing, heating, and air conditioning work: clamping conduit, small pipe, tubing, or a rod to a strut, angle, or beam where you need the run captured on both sides rather than held by a one-sided strap. Where you only need to hold conduit flat to a surface, a one-hole or two-hole strap is the simpler pick; the U-bolt is for wrapping and bolting through.
9) How much does a bag of Metallics UB03 U-bolts weigh for shipping or a material takeoff?
A bag comes in at 327 g (about 11.5 oz) for the 10 pieces with nuts. Useful if you are totalling hanger hardware weight on a submittal or packing a van.
How fast can I get the Metallics UB03 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Metallics UB03 come with a warranty?
Absolutely. The Metallics UB03 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Metallics UB03?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the Metallics UB03 from ZenSupply?
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