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Valve connectors
Long nut
Long nuts, also known as coupling nuts or extension nuts, are cylindrical fasteners with internal threads running through their entire length. They are typically manufactured from steel, stainless steel, or brass, with metric (M) or imperial (UNC/UNF) thread profiles. These components are designed to join two threaded rods or bolts end-to-end, p...
Long nuts, also known as coupling nuts or extension nuts, are cylindrical fasteners with internal threads running through their entire length. They are typically manufactured from steel, stainless steel, or brass, with metric (M) or imperial (UNC/UNF) thread profiles. These components are designed to join two threaded rods or bolts end-to-end, providing a rigid connection for extending length or adjusting tension. Common specifications include thread diameter (e.g., M6, M8, M10), pitch, length (e.g., 20mm, 50mm), and material grade (e.g., 8.8 for steel). They are available in hex or round body shapes, with hex versions allowing for wrench tightening. In industrial contexts, they are often referred to as 'connector nuts' or 'rod couplers'.
Long nuts are widely used in mechanical assembly, construction, and automation systems where precise alignment and load distribution are critical. They are essential in applications such as conveyor belt tensioning, structural bracing, electrical cabinet mounting, and pneumatic or hydraulic cylinder rod extensions. In the electrical sector, they secure busbar connections and support cable tray systems. They also appear in automotive chassis assembly, solar panel racking, and industrial machinery where threaded rods require extension without welding or custom fabrication. Their ability to withstand high tensile loads makes them suitable for heavy-duty environments like steel mills, mining equipment, and offshore platforms.
Our catalog includes a comprehensive range of long nuts categorized by thread type, material, and length. Key subcategories include metric long nuts (e.g., M6, M8, M10, M12, M16, M20) and imperial UNC/UNF versions. Article codes typically follow a pattern like 'LN-M8x30-SS' for a stainless steel M8 nut with 30mm length, or 'LN-3/8-16x2-ST' for a steel 3/8-16 UNC nut with 2-inch length. We stock standard lengths from 10mm to 100mm and custom sizes upon request. All products comply with DIN 6334 or ISO 4035 standards where applicable, ensuring interchangeability and reliability.
Partnering with Electric Automation Network ensures access to genuine, certified long nuts with full technical documentation, including dimensional drawings and load ratings. Our engineers provide personalized support for selecting the correct thread pitch, material, and length for your specific application. We offer express worldwide shipping, real-time pricing, and bulk discounts for industrial orders. Whether you need a single M10x50mm stainless steel coupling nut or a thousand M8x30mm steel units for a production line, we deliver with precision and speed. Trust our expertise to keep your assemblies secure and your projects on schedule.
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