Your One-Stop U bolt Purchasing Solutions
At T&Y Hardware, we supply high-strength U-bolts for industrial piping, automotive suspension, and heavy steel structures. Every batch of our products undergoes rigorous mechanical property testing and dimensional inspection to ensure compliance with standard specifications such as DIN 3570, thereby preventing the risk of thread stripping or fracture under heavy stress.
By keeping a large inventory of common sizes in stock and operating multiple production lines, we can efficiently fulfill both bulk wholesale orders and flexible custom trial orders. Contact our sales team today to discuss your material requirements, get a fast quote, or request free stock samples for quality evaluation.
Custom U-Bolts: Any Material, Any Size, Fast Global Shipping
In addition to manufacturing U-bolts that meet DIN 3570 standards, T&Y Hardware also offers a variety of custom dimensions, including square U-shaped bolts, flat U-bolts, semi-round U-bolts, and double U-bolts.
You can choose from stainless steel, carbon steel, brass, or aluminum alloys, and we support metric or inch standard sizes, as well as personalization to your specific needs.
No matter what type or specification of U-bolts you need, we can meet your requirements.
This is a heavy-duty U-bolt made of high-carbon steel with a zinc-plated coating for enhanced weather resistance.
Metric Thread Size: M3 | M5 | M6 | M8 | M10 | M12 | M16 | M20 | M24
Inside Width: 25mm | 30mm | 32mm | 35mm | 38mm | 40mm | 45mm | 48mm | 50mm | 60mm | 65mm | 75mm | 76mm | 80mm | 90mm | 100mm | 110mm | 120mm | 125mm | 140mm | 150mm | 160mm | 200mm
Leg Length: 30mm | 40mm | 50mm | 60mm | 70mm | 80mm | 100mm | 120mm | 150mm | 180mm | 200mm | 250mm | 300mm | 350mm | 400mm | 500mm

You can choose 201, 304, 316, and other stainless steel materials made. These materials have good oxidation resistance and high strength.
Metric Thread Size: M3 | M5 | M6 | M8 | M10 | M12 | M16 | M20 | M24
Inside Width: 25mm | 30mm | 32mm | 35mm | 38mm | 40mm | 45mm | 48mm | 50mm | 60mm | 65mm | 75mm | 76mm | 80mm | 90mm | 100mm | 110mm | 120mm | 125mm | 140mm | 150mm | 160mm | 200mm
Leg Length: 30mm | 40mm | 50mm | 60mm | 70mm | 80mm | 100mm | 120mm | 150mm | 180mm | 200mm | 250mm | 300mm | 350mm | 400mm | 500mm

An aluminum ubolt is lightweight and corrosion-resistant, making it suitable for lightweight structural connections.
Standard: DIN 3570
Metric Thread Size: 6mm | 8mm | 10mm | 12mm | 14mm | 16mm | 18mm | 20mm | 22mm | 24mm
Inside Width: 25mm | 30mm | 32mm | 35mm | 38mm | 40mm | 45mm | 48mm | 50mm | 60mm | 65mm | 75mm | 76mm | 80mm | 90mm | 100mm | 110mm | 120mm | 125mm | 140mm | 150mm | 160mm | 200mm
Leg Length: 30mm | 40mm | 50mm | 60mm | 70mm | 80mm | 100mm | 120mm | 150mm | 180mm | 200mm | 250mm | 300mm | 350mm | 400mm | 500mm

This is a U-bolt specially designed for the cross-connection of two round pipes. Its unique double U-shaped design ensures that the two pipes are securely installed together.
Inch Thread Size: 1/4″ | 5/16″ | 3/8″ | 7/16″ | 1/2″ | 5/8″ | 3/4″ | 7/8″ | 1″
Inside Width:1-1/4″ | 1-1/2″ | 2″ | 2-1/2″ | 3″ | 3-1/8″ | 3-3/8″ | 3-3/4″ | 4″ | 5″ | 6″ | 7″ | 8″ | 9″ | 10″ | 11″ | 12″ | 13″ | 14″ | 15″ | 16″
Leg Length: 2″ | 2-1/2″ | 3″ | 4″ | 5″ | 6″ | 7″ | 8″ | 10″ | 12″ | 14″ | 16″ | 18″ | 20″
Inch Thread Size: 1/4″ | 5/16″ | 3/8″ | 7/16″ | 1/2″ | 5/8″ | 3/4″ | 7/8″ | 1″
Inside Width:1-1/4″ | 1-1/2″ | 2″ | 2-1/2″ | 3″ | 3-1/8″ | 3-3/8″ | 3-3/4″ | 4″ | 5″ | 6″ | 7″ | 8″ | 9″ | 10″ | 11″ | 12″ | 13″ | 14″ | 15″ | 16″
Leg Length: 2″ | 2-1/2″ | 3″ | 4″ | 5″ | 6″ | 7″ | 8″ | 10″ | 12″ | 14″ | 16″ | 18″ | 20″

Inch Thread Size: 1/4″ | 5/16″ | 3/8″ | 7/16″ | 1/2″ | 5/8″ | 3/4″ | 7/8″ | 1″
Inside Width:1-1/4″ | 1-1/2″ | 2″ | 2-1/2″ | 3″ | 3-1/8″ | 3-3/8″ | 3-3/4″ | 4″ | 5″ | 6″ | 7″ | 8″ | 9″ | 10″ | 11″ | 12″ | 13″ | 14″ | 15″ | 16″
Leg Length: 2″ | 2-1/2″ | 3″ | 4″ | 5″ | 6″ | 7″ | 8″ | 10″ | 12″ | 14″ | 16″ | 18″ | 20″
Premium material for each fastener
Reject fracture risks, opt for integral molding. We employ high-standard premium steel, with all products featuring no welding and high hardness, thoroughly resolving deformation challenges in complex environments. Longer service life means lower replacement frequency. Choose us, choose enduring industrial quality.


Precision threads
Say goodbye to installation jams, starting with precision threads. Our U-bolts support full metric/imperial specification customization, featuring seamless, smooth craftsmanship that eliminates burr interference, enabling faster installation and more secure connections. Even under harsh working conditions, they maintain excellent fastening performance, resisting loosening to safeguard your project’s safety.
Why Choose T&Y hardware U bolts?
Whether for home, farm, builder, or industrial customers, T&Y Hardware has all sizes u bolts to assist your business, we provide all full-line service for your business
- Leading supplier and distributors for U bolt from Mainland of China, stock for common product
- T&Y can offer you custom u bolts for a trial order
- One-stop fasteners solution for all kinds of U bolts
- Offering 24×7 online U bolts quotation service
- Free Samples are offered, and trial orders are acceptable

Various parameters of u bolt
- Our certificate
- Materials
- Coating
- Strength grade

Carbon steel: Q235, A36, A572, C1006, C1008, C1010, C1018, C1018A, C1022, C1035K, C1045K, 12L14.etc
Stainless steel: 253MA、SS201、202、301、302、303、304、304L、309、310S、314、316、316L、316Ti、317L、321、347、410、416、420、430、435、904
Aluminium: AL6061, AL6063, 7075 etc.
Titanium or titanium alloy: TAD, TA1-TA8, TB2, TC1-TC10, etc.
Brass: C36000, C37700, C38500, C26800, C21000, C3602, C3604, H59, H62, H65, H68, H70, H90, etc.
Alloy steel: SCM435, 10B21, 40Cr, C10B33
Precipitation hardening steel: 17-7PH
Urea steel: 724L, 725LN
Superalloy: GH4169, GH4145, GH2132
Nickel Alloy: Nickel 200, Nickel 201
Non-metallic: Zirconia Ceramic, PFA, Polypropylene, PVDF, PPS, Polycarbonate, PEI, PTFE, PEEK, PVC, fiberglass, PA66 nylon, POM, Polyethylene.
Duplex Stainless Steel: S32750, S32760, S2205, S2507,F51, F53, F55, F60, F61, 2205
Steel: C15, C35, C45(K1045), S45C, C46(K1046), C20, etc
Iron: 12L13,12L14,12L15, etc.
Corrosion-resistant alloy: XM-19, C4, Alloy20, Alloy28, Alloy31, 904L, 318
Black | Zinc Plated | Yellow Zinc | Galvanized | Hot Dipped Galvanized (HDG) | Dacromet | Geomet | Sherardized | Poly Coated | PVC Coated | Neoprene Coated | Plastic Coated | Rubber Coated | Vinyl Coated | Nylon Coated | Teflon Coated | Xylan Coated | Epoxy Coated | Fluoropolymer Coated
4.8 grade、6.8 grade、 8.8 grade、10.9 grade、 12.9 grade
A2-70、A2-80、A4-70、A4-80
Related Product
Small U-bolts are usually used to fix pipes, electrical wire, and other small accessories, while large U-bolts are mostly used for the installation of automobile leaf springs and the connection of heavy equipment such as trailers, providing strong support and stability.
The U-bolt on the truck plays an important role. Its special U-shaped design can ensure a tight connection between the leaf spring and the axle, making the whole suspension system more stable and reliable.
Usually, u bolts kits include 1 pc u bolts +2 pc hex nuts +4 pc flat washer +1 pc plate
Yes, T&Y Hardware can offer you free samples, trial orders acceptable
30% value of T/T in advance and the other 70% balance on B/L copy.
For small orders less than 1000 USD, would suggest you pay 100% in advance to reduce the bank charges.
We usually keep stock for standard items,If not special items, No MOQ is required











