Fastenal U bolts are commonly used connectors in power lines, primarily for securing suspension insulator strings to tower crossarms. Their U-shaped structure simplifies crossarm design, and the circular connecting ends create a flexible pivot point, allowing for some degree of movement and adjustment.

Product Parameters

Model 85	Main dimensions (mm)			Nominal breaking load (kN)			Reference weight
	C	M	L	X-axis	Y-axis	Z-axis
U-1670	70	16	110	16	3.0	30	0.57
U-1680	80	16	90	16	3.0	30	0.53
U-1870	70	18	110	18	3.5	35	0.82
U-1880	80	18	110	18	3.5	35	0.83
U-2080	80	20	120	24	4.9	47	1.08
U-2280	80	22	130	28	6.5	57	1.30

Model 85	Main dimensions (mm)			Nominal breaking load (kN)			Reference weight (kg)
	C	M	L	X-axis	Y-axis	Z-axis
U-1670	70	16	110	16	3.0	30	0.57
U-1680	80	16	90	16	3.0	30	0.53
U-1870	70	18	110	18	3.5	35	0.82
U-1880	80	18	110	18	3.5	35	0.83
U-2080	80	20	120	24	4.9	47	1.08
U-2280	80	22	130	28	6.5	57	1.30

The Core Value of Fastenal U bolts

Stable and Secure

The U-shaped design provides stronger clamping force, effectively securing round pipes, bars, etc., and preventing displacement.

Excellent Vibration Resistance

Fastenal U bolts, equipped with nuts and base plates, remain stable even under continuous vibration.

Easy Installation

Simply secure with the included screws; reassembly and disassembly are possible for easy position adjustment.

Diverse Specifications and Materials

Fastenal U bolts are available in various materials such as carbon steel and stainless steel; surface treatments include galvanizing and hot-dip galvanizing, meeting the needs of different environments.

Production and Supply Capabilities

Automated and Standardized Production System

We have established a fully automated production line from material cutting and forming to surface treatment. Key processes utilize CNC and laser equipment, improving production efficiency while ensuring product specification consistency.

Multi-line Collaboration and Rapid Changeover Capability

Our fastener, structural component, and surface treatment production lines can operate in parallel, and we can flexibly adjust production capacity according to order structure, enabling rapid conversion and simultaneous progress of standard products and customized projects.

Deep Supply Chain Integration and Stable Supply

Through strategic cooperation and long-term agreements, we have established stable supply channels for everything from special steel to surface treatment raw materials. Combined with scientific warehouse management, this ensures a continuous and stable supply of raw materials.

Information-based Production Management and Process Traceability

We utilize a production management system to track order scheduling, process parameters, and quality data throughout the entire process, enabling bidirectional traceability from raw materials to finished products, ensuring controllable delivery schedules and quality.

FAQ

Q: How to choose the right U-bolt size?

A: The inner width of the U-bolt should be slightly larger than the outer diameter of the pipe to accommodate insulation or gaskets. Please tell us your pipe's outer diameter and required function, and we will recommend the appropriate size for you.

Q: Which material and surface treatment should be chosen for outdoor or corrosive environments?

A: We strongly recommend using 304/316 stainless steel or hot-dip galvanized carbon steel for long-lasting corrosion protection.

Q: Can it be customized?

A: Yes. We can customize special shapes, such as squares, rectangles, etc., according to the shape of the object you need to fix.

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