Description
Product Overview
The SRZTXU 4‑piece M8 U‑bolt kit is engineered for professionals who demand reliability and durability in fastening applications. Each bolt measures 40 mm in width and 90 mm in overall length, providing a robust clamping radius that fits a wide range of pipe diameters and structural components. Crafted from premium 304 stainless steel, the bolts exhibit exceptional resistance to rust, corrosion, and moisture, making them ideal for outdoor, marine, and high‑humidity environments where ordinary steel would quickly degrade.
Beyond the bolts themselves, the kit includes a complete set of accessories: four matching nuts, eight flat washers, eight lock washers, and four bolt plates that distribute load evenly across the fastening surface. A precision‑engineered wrench is also supplied, ensuring a snug fit and reducing the risk of over‑torquing. All components are finished with a smooth, non‑porous surface that resists staining and simplifies cleaning, extending the service life of the hardware and maintaining a professional appearance even after prolonged use.
Technical specifications are carefully balanced for optimal performance. The bolts feature a 1.5‑inch (40 mm) internal diameter, a 3.5‑inch (90 mm) outer length, and a thread pitch that conforms to standard M8 dimensions, guaranteeing compatibility with existing hardware and tools. The included washers and plates are sized to match the bolt dimensions, providing a secure, vibration‑dampened connection that minimizes loosening under dynamic loads. This comprehensive approach eliminates the need for additional purchases, streamlining inventory management for workshops, maintenance teams, and DIY enthusiasts alike.
![[Product front view showing all components]](https://www.fineshop.store/wp-content/uploads/2026/08/c3b426e92dda49128a505d881aa9c6a9.jpg)
Usage
These U‑bolts excel in a variety of industrial and commercial settings. In manufacturing plants, they are frequently used to secure conduit, pipework, and support brackets on machinery frames, where the combination of high tensile strength and corrosion resistance is essential. Automotive repair shops rely on the same properties to fasten exhaust systems, suspension components, and chassis reinforcements, benefiting from the bolts’ ability to withstand temperature fluctuations and exposure to road salts.
For construction projects, the SRZTXU U‑bolts provide a dependable solution for anchoring structural steel, reinforcing concrete forms, and attaching handrails in environments that demand long‑term durability. Their stainless‑steel composition also makes them suitable for marine applications such as securing deck fittings, railings, and underwater piping, where traditional carbon steel would succumb to rapid corrosion. Additionally, the kit’s comprehensive accessory set simplifies installation for field technicians, reducing downtime and ensuring consistent torque application across all fasteners.
Why Choose Us
Choosing SRZTXU means selecting a brand committed to quality, precision engineering, and customer satisfaction. Each bolt undergoes rigorous testing for tensile strength, corrosion resistance, and dimensional accuracy, adhering to industry standards such as ASTM A276 for stainless‑steel fasteners. Our manufacturing process incorporates advanced polishing and passivation techniques that enhance surface integrity, reducing the likelihood of stress‑corrosion cracking and extending the functional lifespan of every component.
Beyond product excellence, SRZTXU offers responsive after‑sales support, including technical assistance, replacement parts, and a clear warranty policy that covers manufacturing defects. Our dedicated customer service team is available to guide users through proper installation procedures, recommend optimal torque settings, and troubleshoot any issues that may arise during the product’s lifecycle. This comprehensive support framework ensures that buyers receive not only a high‑performance fastening solution but also the confidence that comes from a reliable partnership.
Key Features
- Premium 304 stainless steel construction delivers superior rust and corrosion resistance for long‑term reliability.
- Complete accessory set includes nuts, washers, plates, and a wrench, eliminating the need for additional purchases.
- Wide 40 mm internal diameter and 90 mm length accommodate diverse pipe and bracket sizes, enhancing versatility.
- Precision‑engineered threads ensure consistent torque and prevent stripping, even under heavy loads.
- Dedicated SRZTXU customer support provides technical guidance, warranty coverage, and fast replacement parts.
FAQ
What size U‑bolts are included in the kit?
The kit contains four M8 U‑bolts, each measuring 40 mm in internal width and 90 mm in overall length, which corresponds to the standard M8 × 90 mm specification.
Can these bolts be used in marine environments?
Yes. The 304 stainless‑steel material is specifically chosen for its excellent resistance to saltwater corrosion, making the bolts suitable for marine and offshore applications.
Do I need any special tools to install the bolts?
No special power tools are required. The kit includes a hand wrench that fits the bolt heads perfectly, allowing you to achieve the correct torque with a simple manual effort.
Are the nuts and washers compatible with other bolt sizes?
The included nuts and washers are sized to match the M8 bolts in this kit. For other bolt sizes, we recommend selecting the corresponding accessories from our full product line to ensure proper fit.
What warranty does SRZTXU provide?
SRZTXU offers a one‑year limited warranty covering any manufacturing defects. If a bolt or accessory fails due to a defect, we will replace it at no additional cost to the customer.





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