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Check nuts are essential fastening components widely used to lock and secure primary nuts in mechanical assemblies. They provide an added layer of safety by preventing loosening caused by vibration, load shifts, or rotational movement. These nuts are highly valued in industries such as construction, automotive, marine, and heavy machinery for their reliability and strength.
They are manufactured from a wide range of materials including stainless steel, carbon steel, alloy steel, duplex and super duplex steel, Monel, Hastelloy, Inconel, and nickel alloys. These material options ensure excellent corrosion resistance, durability, and superior performance, even in harsh industrial and marine environments.
Check nuts are available in various types and thread configurations, such as full threaded check nuts, half-threaded check nuts, double-end check nuts, and part-threaded check nuts, to suit diverse fastening applications. Their versatility makes them suitable for use in both standard and customized mechanical systems.
A wide range of sizes, shapes, and finishes can be provided, including zinc plating, galvanizing, PTFE coating, and black oxide for enhanced surface protection and longevity. Custom designs are also available to meet specific client requirements and ensure compatibility with unique project needs.
These check nuts are supplied and exported globally to countries such as Qatar, Bahrain, Saudi Arabia, Indonesia, Singapore, Malaysia, Turkey, UAE, Russia, Ukraine, South Africa, Australia, and the United States. Their robust design and reliability make them an indispensable component in a wide variety of industrial and commercial applications.
Check Nut
AISI 302, 304, 304L,316, 316L, 310, 317, 317L, 321, 347, 410, 420,904L etc.
ASTM / ASME A815 UNS No. S31803, UNS No.S32205, UNS No.S31254, UNS No.S31550, UNS No.S32750, UNS No. S32760
ASTM A307, A193
ASTM / ASME A/SA 193 / 194 B 6, B 7/ B 7M, B 16, 2, 2HM, 2H, GR 6, B 7, B 7M
ASTM / ASME SB 336, ASTM / ASME SB 564 / 160 / 163 / 472, UNS 2200 (NICKEL 200), UNS 2201 (NICKEL 201), UNS 4400 (MONEL 400), UNS 8020 (ALLOY 20 / 20 CB3), UNS 8825 (INCONEL 825), UNS 6600 (INCONEL 600), UNS 6601 (INCONEL 601), UNS 6625 (INCONEL 625), UNS 10276 (HASTELLOY C 276).
Check nuts are manufactured in compliance with DIN, ASTM, BS, and other international standards, ensuring high precision and durability for various industrial applications. They are designed to meet global quality norms, making them reliable for use in machinery, construction, automotive, and marine environments.
These nuts are available in a wide size range from M3 to M56, with options from 3/6” to 4”, and can be customized as per specific project needs. They are also offered in different lengths from 3 mm to 3000 mm and are available in multiple types, including threaded check nuts, half-threaded check nuts, and full-threaded check nuts, catering to a variety of fastening requirements.
Check nuts are designed according to DIN, ASTM, BS, and other international standards, ensuring reliability and precision in diverse applications. They are widely used in construction, machinery, automotive, and marine industries due to their strength and durability.
Available in sizes ranging from M3 to M56 (3/6” to 4”), these nuts can also be customized to meet specific project requirements. With lengths from 3 mm to 3000 mm, they are offered in various types such as threaded check nuts, half-threaded check nuts, and full-threaded check nuts for different fastening needs.
As your one-stop manufacturing partner, Sunrise Industries maintains a complete inventory of ready-to-sell raw materials alongside custom parts fabrication and full engineering services. From prototyping to production, we provide everything at a single location—serving all industrial sectors and transforming manufacturing value chains.
