Description
Product Overview
Roadformer Spring Loaded T-Bolt Hose Clamps are engineered for superior performance in industrial and automotive settings. These 4-inch clamps feature a 300-series stainless steel band and floating bridge, coupled with a 1/4″-28 300-series stainless steel bolt and nylon insert locknut. The spring is crafted from high-quality carbon steel with zinc plating, ensuring durability and resistance to corrosion. With a working diameter range of 3.81″ to 4.12″ (97mm to 105mm), they are designed to fit standard 4-inch hose outer diameters, providing a constant tension that compensates for thermal expansion and contraction. Key specifications include an item weight of 6.7 ounces and compact package dimensions of 5.51 x 5.16 x 2.6 inches, making them easy to handle and install in tight spaces.

Usage
These T-Bolt hose clamps are ideal for demanding applications where temperature and pressure fluctuations are common, such as in turbo charge air cooling systems, after-cooling setups, and primary engine coolant systems. They are widely used in automotive, truck, off-highway, racing car, marine, and agricultural equipment to maintain secure hose connections. The spring-loaded design ensures consistent sealing pressure, preventing leaks and loose fittings in environments with high vibration, shock, and thermal stress. Target audiences include mechanics, engineers, and DIY enthusiasts working on high-performance vehicles or industrial machinery that require reliable, long-lasting hose fastening solutions.
Why Choose Us
Roadformer sets the industry standard with clamps that offer exceptional vibration, shock, temperature, and corrosion resistance. The constant tension mechanism automatically adjusts to thermal changes, eliminating the need for manual retightening and reducing maintenance costs. Made from premium 300-series stainless steel and high-carbon steel springs, these clamps withstand extreme conditions without compromising performance. Roadformer’s commitment to quality ensures a durable, long-lasting design that provides a positive, reliable seal, backed by positive customer reviews and a high best-seller rank in industrial categories.
Key Features
- Spring-loaded design maintains constant tension for leak-proof connections in fluctuating temperatures.
- Constructed from 300-series stainless steel and carbon steel for superior durability and corrosion resistance.
- Automatic compensation for thermal expansion and contraction reduces maintenance and improves reliability.
- Wide working range of 3.81″ to 4.12″ fits standard 4-inch hose outer diameters seamlessly.
- Ideal for high-vibration applications in automotive, marine, and agricultural systems.
FAQ
What is the working diameter range for these clamps?
The clamps have a working range of 3.81 inches to 4.12 inches, equivalent to 97mm to 105mm, designed for 4-inch hose outer diameters. It is recommended to verify your hose size before purchase to ensure a proper fit.
Are batteries required for these hose clamps?
No, these are mechanical clamps that do not require any batteries. They operate solely through their spring-loaded and T-bolt mechanism for reliable performance.
What materials are used in the construction?
The band and floating bridge are made from 300-series stainless steel, the bolt is 300-series stainless steel with a nylon insert locknut, and the spring is high-quality carbon steel with zinc plating for enhanced corrosion resistance.
Where can I use these T-Bolt clamps?
They are suitable for applications with high temperature and pressure variations, such as turbo charge air cooling, engine coolant systems, and off-highway equipment in automotive, marine, and agricultural settings.
How does the spring-loaded feature benefit the clamp?
The spring-loaded design automatically adjusts tension to compensate for thermal expansion and contraction, ensuring a consistent seal and preventing loose connections without manual intervention.




HPS 316 Stainless Steel T-Bolt Hose Clamp Marine Grade
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