Coupling Nuts
Quality Coupling Nuts products for industrial, commercial, and professional applications. Our selection includes trusted brands and competitive pricing for maintenance, repair, and operations (MRO). Suitable for manufacturing, construction, facility maintenance, and general industrial use. Bulk pricing and volume discounts available for enterprise customers.
20 products

This 304 stainless steel coupling nut is designed for joining two externally threaded rods or studs. It features a corrosion-resistant A2-70 grade material, a standard M10 thread size, and a plain finish for a clean, industrial appearance. With a length of 4.72 inches and a width across flats of 0.63 inches, it provides a durable and reliable connection for demanding assembly and construction applications.

This 304 stainless steel coupling nut provides a durable, corrosion-resistant connection for M14 threaded rods. With an A2-70 material grade, it offers high tensile strength and good mechanical properties for demanding industrial environments. The plain finish and 0.83-inch width across flats ensure compatibility with standard wrenches. Each unit measures 3.94 inches in length and is supplied in a package quantity of 12 for project efficiency.

This 304 stainless steel coupling nut is designed for joining two externally threaded rods or studs. It features a corrosion-resistant A2-70 grade material with a plain finish, suitable for demanding environments. The nut has an M4 thread size, a length of 3.15 inches, and a 0.236-inch width across flats for a standard wrench. Its durable construction ensures reliable performance in assembly, repair, and fabrication applications.

This 304 stainless steel coupling nut is designed for joining two externally threaded rods or studs. It features a right-hand and left-hand thread configuration (M5) within a single, durable A2-70 grade unit, measuring 3.15 inches in length with a 0.315-inch hex width. The corrosion-resistant plain finish ensures reliable performance in demanding environments. This component is supplied in a bulk package quantity for project efficiency.

This 304 stainless steel coupling nut is manufactured to DIN 6334 standards with an A2-70 material grade, providing high tensile strength and excellent corrosion resistance for demanding industrial applications. The M10 thread size and 7.87-inch length allow for joining two externally threaded rods. Its 0.63-inch hex width ensures secure tool engagement for installation. The plain finish is suitable for environments where chemical compatibility and durability are required.

This 304 stainless steel coupling nut is manufactured to DIN 6334 standards with an A2-70 material grade, providing high corrosion resistance and a tensile strength of approximately 70,000 PSI. The M12 thread size and 1.57-inch length are designed for joining externally threaded rods or studs. Its 0.75-inch width across flats ensures compatibility with standard wrenches for secure installation. The plain finish offers a clean, industrial appearance suitable for demanding mechanical and structural applications.

This 304 stainless steel coupling nut is manufactured to DIN 6334 standards with a right-hand/left-hand thread design for joining two externally threaded rods. The A2-70 material grade provides excellent corrosion resistance and a tensile strength of approximately 70,000 PSI. Key specifications include an M3 thread size, a 1.97-inch length, and a 0.236-inch width across flats for a standard wrench. Supplied in a plain finish, it is suitable for demanding industrial assembly and maintenance applications requiring a durable, reliable connection.

This 304 stainless steel coupling nut is manufactured to DIN 6334 standards with an A2-70 material grade, providing excellent corrosion resistance and mechanical strength for demanding industrial applications. It features a right-hand and left-hand thread design (M3) to join two externally threaded rods. The component has a 0.236-inch width across flats for a standard wrench and a 1.18-inch length. Sold in a package quantity of 100, it ensures a reliable, long-lasting connection in assembly and repair operations.

This 304 stainless steel coupling nut features opposing right- and left-hand M4 threads, designed to join two externally threaded rods or to adjust tension in assemblies. The A2-70 grade material provides good corrosion resistance and a tensile strength of approximately 70,000 PSI. With a length of 3.94 inches and a 0.236-inch hex width, it offers a durable, non-magnetic fastening solution for precise mechanical applications. Each package contains 100 units.

This 304 stainless steel coupling nut features a durable A2-70 grade rating for reliable performance in demanding environments. It has an M4 thread size and a length of 1.57 inches, designed with an S6 hex for a secure fit with standard wrenches. The plain finish provides corrosion resistance, making it suitable for a wide range of industrial fastening applications. This product is packaged in quantities of 100 units for efficient inventory management and project use.

This 304 stainless steel coupling nut is designed for joining two externally threaded rods or studs. It features a right-hand and left-hand thread configuration (M5 x 60 DIN 6334) for precise adjustment and tensioning applications. Manufactured to A2-70 grade for good corrosion resistance and mechanical strength, it has a 2.36-inch length and a 0.315-inch width across flats for a standard wrench. The plain finish is suitable for general industrial use.

This 304 stainless steel coupling nut features opposing right- and left-hand M3 threads over its 3.94-inch length, designed to join two externally threaded rods or to adjust tension in assemblies. Manufactured to A2-70 grade, it provides excellent corrosion resistance and a tensile strength of approximately 70,000 PSI. The plain finish and 0.236-inch hex width ensure compatibility with standard tools. Its durable construction offers reliable performance in mechanical, fabrication, and maintenance applications where secure, adjustable connections are required.

This 304 stainless steel coupling nut features a right-hand and left-hand thread design for joining opposing threaded rods or adjusting tension in assemblies. Constructed from corrosion-resistant A2-70 grade material with a plain finish, it measures 1.97 inches in length with a 0.83-inch hex width for a secure grip. The M14 metric thread size provides a robust connection point, suitable for demanding industrial and construction applications where durability and precise adjustment are required.

This 304 stainless steel coupling nut features opposing right-hand and left-hand M8 threads, designed to join two externally threaded rods or to adjust the length of a single rod assembly. Constructed from corrosion-resistant A2-70 grade material with a plain finish, it measures 2.36 inches in length with a 0.51-inch hex width for a secure grip. The durable construction ensures reliable performance in demanding environments, making it suitable for precision mechanical linkages, leveling systems, and adjustable framework.

This stainless steel coupling nut features opposing right-hand and left-hand M16 threads, designed to join two externally threaded rods or to adjust tension in assemblies. Constructed from corrosion-resistant 304 stainless steel with an A2-70 strength class, it provides durability in demanding environments. The component has a length of 1.97 inches and a 0.94-inch width across flats for a standard wrench grip. Its plain finish and robust material specification ensure reliable, long-term performance for industrial fastening applications.

This M5 coupling nut is manufactured from corrosion-resistant Stainless Steel 304, meeting the A2-70 strength classification for reliable performance. It features a 1.97-inch length and a 0.31-inch width across flats for a secure grip with standard tools. The plain finish and right-hand/left-hand thread design provide durable, bidirectional connectivity for joining two threaded rods or studs in alignment-critical assemblies. Supplied in a package quantity of 100 units.

This M8 stainless steel coupling nut is manufactured from corrosion-resistant 304 material, meeting A2-70 class standards for strength and durability. Its 1.57-inch length and 0.51-inch width across flats provide a secure, extended connection point for joining two externally threaded rods or fasteners. The plain finish ensures compatibility in a wide range of industrial environments. Supplied in a bulk package of 80 units, it offers reliable performance for assembly, construction, and maintenance applications.

This M8 coupling nut is manufactured from corrosion-resistant Stainless Steel 304, meeting the A2-70 strength class for reliable performance. It features opposing right-hand and left-hand threads to join two externally threaded rods, enabling precise adjustment or tensioning. With a length of 1.97 inches and a 0.51-inch hex width for standard wrenching, it provides a durable, plain-finished connection. Each package contains 100 units for bulk project requirements.

This M8 coupling nut is manufactured from corrosion-resistant Stainless Steel 304, meeting the A2-70 strength class for reliable performance. It features opposing right-hand and left-hand threads, designed to join two externally threaded rods or bolts. With a length of 3.94 inches and a width across flats of 0.51 inches, it provides a durable, all-metal connection for assembly, repair, and extension applications in demanding environments.

This coupling nut is manufactured from corrosion-resistant Stainless Steel 304, meeting the A2-70 strength class for reliable performance. It features a standard M8 thread with a length of 7.87 inches, designed to join two externally threaded rods. The hex width across flats is 0.51 inches for secure tool engagement. Supplied with a plain finish, this component is packaged in a quantity of 20 units for project efficiency.