A hex domed cap nut, also known as a hex cap dome nut, is a specialized type of nut with unique features and applications. Here is a detailed introduction:
Structure and Appearance: It has a hexagonal shape, which allows for easy tightening and loosening using a wrench or pliers. One end of the nut is equipped with a domed cap. This cap is designed to cover the exposed threaded end of a stud, rod, or bolt, providing protection and safety for the fastening assembly. It also gives a finished and neat appearance to the overall structure.
Materials: Hex domed cap nuts are typically made from durable materials such as carbon steel, alloy steel, stainless steel, brass, or copper. Stainless steel and copper materials are often chosen for their excellent corrosion resistance, which is suitable for use in harsh environments. Carbon steel and alloy steel are selected for applications that require high strength.
Surface Treatment: To enhance their performance and durability, these nuts usually undergo various surface treatments, including plain, zinc plating (ZP), galvanizing, hot - dip galvanizing (HDG), and dacromet. These treatments can improve corrosion resistance, wear resistance, and aesthetics.
Standards: They are manufactured in accordance with various standards, such as DIN (German standard), GB (Chinese national standard), UNC (American unified coarse thread), BSW (British standard Whitworth), and JIS (Japanese industrial standard). Different standards specify different dimensions, thread pitches, and mechanical properties to meet the needs of different industries and applications.
Applications: Hex domed cap nuts are widely used in machinery manufacturing, furniture assembly, and other fields. In machinery, they are used to fasten various components to ensure the stability and reliability of the equipment. In furniture, especially in some high - end furniture, they are used to connect wooden components, not only playing a fastening role but also enhancing the overall aesthetics.
Advantages: The unique design of the hex domed cap nut offers several advantages. The domed cap protects the threaded end from damage, corrosion, and interference, prolonging the service life of the fastener. At the same time, it provides a more secure fastening effect, preventing the bolt or screw from loosening over time due to vibration or other factors.
1,Standard: DIN1587,ASME
2,Thread: UNC,UNF
3,Material: Stainless Steel / Carbon Steel ,low carbon steel(mild steel), middle carbon steel, alloy steel, stainless steel (SS201, SS304, SS316),and brass, aluminium alloy.
4,SAE Class: 2,5.8 ASTM A194 2H. Metric from 4 to 10
5,Metric Size: M5 M6 M8 M10 M12 M14 M16 M18 M20 M22
Inch size: 1/4”,3/8”,1/2”,5/8”,3/4”,7/8”
6,Surface finish: Plain finish,Black ,Black Oxide, Black Zinc Coating,Hot Dip Galvanized(HDG), Zinc Plated, Yellow ZP,Brass coating, Nickle plated , Chrome plating, Dacromat, Geomet, etc.
7,Packing: 20-25kg Carton+Pallet (bulk packing OR small box packing)
