DIN935 High Hardness Slotted Nut for Make up Long Rod Assemblies
A coupling nut, also known as an extension nut, is a threaded fastener used to join two male threads, typically a threaded rod or pipe. The outer part of the nut is usually hexagonal, allowing it to be tightened with a wrench. Variations include reducing coupling nuts for connecting different thread sizes, sight hole coupling nuts that allow visual inspection of engagement, and left-handed threading options.
These nuts are commonly used to assemble long rod systems from shorter sections. By threading the rods into the coupling nut, you can extend the length of the assembly. They can also be used to either tighten or push a rod assembly outward, depending on the application.
Our company specializes in producing a wide range of cold-headed hexagon nuts that meet international standards such as DIN, ISO, ASTM, and JIS. We offer various types including standard hex nuts, castle nuts, flange nuts, nylon-insert nuts, electroplated zinc nuts, colorful zinc-plated nuts, blue zinc-plated nuts, black oxide nuts, and hot-dip galvanized nuts.
Available sizes range from M6 to M48, with hardness grades from Class 4.8 up to Class 12.9. Our raw materials include carbon steels like 45# and 64CrMO, as well as stainless steel options. For larger sizes or higher strength requirements, we use cold heading and forging techniques to ensure durability and performance.
We follow strict production processes and can customize products based on customer drawings or samples. Our packaging includes plastic woven bags, cartons, and wooden pallets, ensuring safe delivery worldwide.
Delivery time is approximately 20 days for a full container. Our products are exported to many countries, including the Czech Republic, Lithuania, Georgia, Australia, the Middle East, and Africa. We have established long-term partnerships with clients across the globe who appreciate our high-quality products and reliable service.
We also have a dedicated R&D team to support product development and customization. With years of export experience, we deliver to major ports such as Qingdao, Shanghai, Ningbo, and Tianjin. Whether you're looking for large quantities or custom solutions, we are here to provide competitive pricing, quality assurance, and excellent customer service.
Feel free to contact us for more information or to place your order. We look forward to working with you!
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