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When a single loose pipe clamp causes a leak, a rattle, or a failed build, the real cost is downtime — not hardware. Makers, plumbers, automotive enthusiasts, and structural fabricators who work with round pipe or conduit need a fastener that holds its grip without corroding, loosening, or stripping. This 360-piece set of M6x25 U-bolts is sized for exactly that job.
Each U-bolt in this set is formed from 304 A2 stainless steel — an austenitic alloy known for its balanced strength and corrosion resistance. The round-bend profile has an inner width of approximately 12–14 mm (0.47–0.55 in) and a leg length of 25 mm (0.98 in), with M6 metric threads. The 360-piece bulk pack includes matching hex nuts and flat washers for immediate assembly.
Typical applications include pipe clamping in residential plumbing and HVAC runs, conduit securing in electrical panel builds, roll-cage and chassis fabrication for off-road vehicles, and marine or outdoor structural projects where long-term corrosion resistance is critical.
Austenitic 304 grade delivers solid corrosion resistance in wet, humid, and mildly saline environments — suitable for indoor plumbing, outdoor structures, and light marine use.
Standard M6 thread pitch (1.0 mm) ensures compatibility with widely available M6 hex nuts, wing nuts, and washers. Leg length of 25 mm (0.98 in) suits typical pipe-bracket depths.
The smooth round-bend geometry distributes clamping load evenly around the pipe circumference, reducing stress concentration and protecting pipe coatings or soft conduit surfaces.
A full 360-piece assortment means you have enough hardware for large panel builds, multi-run plumbing jobs, or workshop stock — without repeated small orders.
Each U-bolt ships with matching hex nuts and flat washers, so you can go straight from unboxing to installation without sourcing additional hardware.
Suited for plumbing, HVAC, electrical conduit, automotive chassis, and outdoor structural builds — anywhere a secure, corrosion-resistant pipe clamp is needed.
| Thread Size | M6 |
|---|---|
| Thread Pitch | 1.0 mm |
| Leg Length | 25 mm (0.98 in) |
| Inner Bend Width | See variant options |
| Bend Profile | Round Bend |
| Material | 304 A2 Stainless Steel |
| Finish | Natural (mill finish) |
| Included Hardware | Hex nuts + flat washers |
| Quantity per Pack | 360 pieces |
| Weight (total pack) | See variant options |
| Standard | DIN 3570 / equivalent metric |
The inner bend width determines the pipe OD the U-bolt clamps around. For M6x25 round-bend U-bolts, the inner width is typically in the 12–16 mm (0.47–0.63 in) range, but this varies by manufacturer. Check the variant listing or contact us to confirm the exact inner bend dimension before ordering.
304 A2 stainless steel has a tensile strength of approximately 515 MPa (75,000 psi), which is adequate for most pipe-clamping, conduit-securing, and light structural applications. For heavy-load or high-vibration environments, consider pairing with lock nuts or thread-locking compound.
304 stainless steel forms a passive chromium-oxide layer that resists rust in most outdoor and wet environments. It performs well in freshwater, rain, and humid conditions. For prolonged saltwater or coastal exposure, 316 stainless steel offers superior chloride resistance — contact us if you need that grade.
Yes. The M6 x 1.0 mm thread is the standard metric pitch for M6 fasteners, so these U-bolts are compatible with any standard M6 hex nut, flange nut, wing nut, or flat washer. The pack already includes matching nuts and washers for convenience.
These U-bolts are commonly used for securing exhaust pipes, conduit runs, and light chassis brackets in automotive builds. For safety-critical roll-cage or suspension components, always verify load ratings with a qualified engineer and use appropriate torque specifications.
Match the inner bend width to your pipe's outer diameter (OD) — the U-bolt should slide over the pipe with minimal play. The leg length (25 mm here) must be long enough to pass through your mounting bracket and still allow full nut engagement (at least 6 threads). If you are unsure, contact us with your pipe OD and bracket thickness and we will confirm compatibility.
Both. A 360-piece bulk pack is ideal for large panel builds, multi-run plumbing installations, or electrical conduit projects with many anchor points. It also makes an efficient workshop stock item so you always have M6 U-bolts on hand without repeated reorders.
