How do I convert the bolt length from mm to inches?

Divide the millimeter value by 25.4 to get inches. For example: 14mm ÷ 25.4 ≈ 0.55" | 76mm ÷ 25.4 ≈ 3.0" | 114mm ÷ 25.4 ≈ 4.5" | 220mm ÷ 25.4 ≈ 8.7" | 328mm ÷ 25.4 ≈ 12.9".

304 Stainless Steel U - Bolts for Round Pipe — M6 M8 M10 M12, 14mm–328mm - HomeDIYer

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304 Stainless Steel U-Bolts for Round Pipe — M6 M8 M10 M12, 14mm–328mm

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Product Material: 304 Stainless Steel

Screw Sizes: M6*14mm

Packing Quantity: 1

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$3.39 USD

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304 Stainless Steel U-Bolts for Round Pipe — Secure Any Pipe, Any Size

Whether you're strapping exhaust pipes under a vehicle, anchoring conduit runs in an industrial facility, or mounting handrails on a deck, a loose or corroded clamp is the last thing you want mid-project. These 304 stainless steel U-bolts for round pipe are built for DIYers, contractors, and maintenance professionals who need a reliable, rust-resistant fastener that won't let them down.

Each U-bolt is machined from 304 stainless steel with standard metric coarse threads. Available in four thread diameters — M6, M8, M10, and M12 — with leg lengths ranging from 14mm (≈0.55") to 328mm (≈12.9"), this listing covers a wide range of pipe clamping applications. Select your exact size and packing quantity (1–5 pieces per order) from the variant options above.

Typical use cases include pipe clamp mounting for plumbing and HVAC lines, exhaust system U-bolt replacement on trucks and trailers, marine dock hardware and railing support, and structural conduit strapping in electrical and mechanical installations.

🔩 Compatibility: Fits standard round pipe and tube. Thread standard: ISO metric coarse (M6 / M8 / M10 / M12). Pairs with standard metric hex nuts and flat washers (sold separately). Not designed for square or rectangular tubing.

✅ Key Features of These 304 Stainless Steel U-Bolts

🦾Corrosion-Resistant 304 SS — Made from 304 stainless steel, these round pipe U-bolts resist rust, oxidation, and mild chemical exposure, making them suitable for outdoor, coastal, and damp environments.
📏Wide Size Range — Available in M6, M8, M10, and M12 thread diameters with leg lengths from 14mm to 328mm, covering everything from small conduit clamps to heavy-duty structural pipe mounting.
🔧Standard Metric Threads — ISO metric coarse threading ensures compatibility with off-the-shelf metric nuts and washers, so you can source hardware locally without special orders.
🔄Smooth U-Bend Profile — The rounded bend is formed to maintain consistent inner diameter, providing even clamping pressure around the pipe circumference and reducing stress concentration.
📦Flexible Pack Quantities — Order 1 to 5 U-bolts per SKU to match your project scope — whether you need a single replacement bolt or a multi-point pipe strapping installation.
🏗️Versatile Application Fit — Suited for exhaust U-bolt replacement, plumbing pipe clamp mounting, marine railing hardware, and conduit strapping in mechanical and electrical installations.

📐 Technical Specifications — Stainless Steel Round Pipe U-Bolts

Material	304 Stainless Steel
Thread Diameters	M6 / M8 / M10 / M12
Thread Standard	ISO Metric Coarse
Leg Length Range	14mm (≈0.55") – 328mm (≈12.9")
Bend Shape	Round (for round pipe/tube)
Surface Finish	Natural stainless (brushed/mill finish)
Nuts / Washers Included	See variant options or contact us to confirm
Pack Quantity Options	1 / 2 / 3 / 4 / 5 pieces
Suitable Pipe Type	Round pipe and tube
Typical Applications	Exhaust systems, plumbing, conduit, marine, structural

⚠️ Size Note: U-bolt inner width and leg length vary by size. Please verify your pipe outer diameter and required thread engagement length before ordering. If unsure, contact us to confirm the right fit.

❓ Frequently Asked Questions

How do I choose the right U-bolt length for my pipe?

Measure the outer diameter of your pipe, then select a U-bolt whose inner width matches that diameter. For leg length, the bolt legs should be long enough to pass through your mounting plate and allow full thread engagement on both nuts — typically add at least 20–30mm beyond the plate thickness. For example, a 1-inch pipe (≈25mm OD) generally pairs well with an M6 or M8 U-bolt in the 22–34mm length range. When in doubt, size up slightly to ensure adequate thread engagement.

What load can these U-bolts handle?

Load capacity depends on bolt diameter, material grade, and installation torque. Generally, M6 U-bolts are suited for light-duty clamping, M8–M10 for medium loads, and M12 for heavier structural applications. 304 stainless steel typically has a tensile strength of around 515 MPa. For safety-critical or load-bearing applications, always consult a qualified engineer to calculate the required fastener rating.

Are these U-bolts suitable for outdoor or marine environments?

Yes, 304 stainless steel offers good corrosion resistance in most outdoor and mildly corrosive environments. It performs well in rain, humidity, and general atmospheric exposure. However, for highly corrosive or saltwater/marine environments with prolonged immersion or salt spray, 316 stainless steel is generally recommended for superior chloride resistance. These bolts are a solid choice for dock hardware, outdoor railing, and coastal installations in most cases.

What thread standard do these U-bolts use — are they compatible with standard nuts?

These U-bolts use standard ISO metric coarse threads. M6, M8, M10, and M12 designations refer to the nominal thread diameter. They are fully compatible with standard metric hex nuts and flat washers available at any hardware store. No special or proprietary hardware is required.

Can I use these U-bolts to clamp square or rectangular tubing?

These U-bolts are specifically designed for round pipe clamping. The curved bend is formed to match the profile of round tube. For square or rectangular tubing, a square U-bolt or a flat-bar clamp is typically a better fit to ensure even contact and secure clamping without rocking or slipping.

Do the U-bolts come with nuts and washers included?

Hardware inclusions may vary by variant. Please check the product variant description or contact us to confirm what is included with your specific size. In many cases, U-bolts are sold as the U-shaped bolt only, and matching metric nuts and washers can be sourced separately at any hardware store.

How do I convert the bolt leg length from mm to inches?

Divide the millimeter value by 25.4 to get the inch equivalent. Quick reference for this product's size range:

14mm ÷ 25.4 ≈ 0.55"
22mm ÷ 25.4 ≈ 0.87"
60mm ÷ 25.4 ≈ 2.36"
114mm ÷ 25.4 ≈ 4.49"
220mm ÷ 25.4 ≈ 8.66"
328mm ÷ 25.4 ≈ 12.91"

🛒 Select your material, screw size, and packing quantity above, then add to cart — ships from our US warehouse.

304 Stainless Steel U-Bolts for Round Pipe — M6 M8 M10 M12, 14mm–328mm

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Beschreibung

304 Stainless Steel U-Bolts for Round Pipe — Secure Any Pipe, Any Size

✅ Key Features of These 304 Stainless Steel U-Bolts

📐 Technical Specifications — Stainless Steel Round Pipe U-Bolts

❓ Frequently Asked Questions

304 Stainless Steel U-Bolts for Round Pipe — M6 M8 M10 M12, 14mm–328mm

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