Introduction to Hexagonal Welding Nut
Hexagonal welding nut is a type of hexagonal nut specifically designed for welding. Its shape is hexagonal, with one side identical to a standard hex nut and the other side featuring three welding points and a protrusion. These three welding points are used for welding, while the protrusions are used for positioning to ensure the accurate position of the nut during the welding process. Hexagonal welded nuts are widely used in industries such as automobiles and molds, and some specific application scenarios require nuts to be connected to connectors through welding instead of traditional bolt connections.
The implementation standard for hexagonal welded nuts is GB/T13681-1992, which specifies in detail the dimensions, types, and technical conditions of welded hexagonal nuts with eight thread specifications of M4-M16. In addition, the standard also specifies the materials, threads, mechanical properties, tolerances, surface roughness, surface treatment, surface defects, acceptance and packaging, and guaranteed load for welding hex nuts. The weight of hexagonal welded nuts is also specified, and the weight of every 1000 welded hexagonal nuts must meet the standard requirements.
Compared with conventional hex nuts, the use of welded hex nuts is more flexible and efficient, especially suitable for situations where conventional bolt connections cannot be made, such as thin or irregularly shaped connectors. The welding process melts and mixes the metal at high temperatures, and forms a strong connection after cooling. The strength of this connection method is usually greater than that of the parent material, so it is widely used in industries such as automotive seats, sheet metal chassis cabinets, molds, ships, railways, etc. When choosing to weld hex nuts, consideration should be given to the actual application environment and requirements. For example, when used in corrosive environments, materials with better corrosion resistance should be selected. In addition, the control of welding quality is also crucial, including removing dirt from the welding area to ensure welding quality, and taking appropriate cooling measures to prevent the impact of welding heat on nut performance.
In addition, the advantages of hexagonal welded nuts include the reliability of their connection function, which can effectively improve the stability and durability of assembly, which is particularly important for applications that require frequent use or heavy loads. For example, in the automotive industry, hexagonal welding nuts are used to secure components such as seats and instrument panels, ensuring that they do not loosen or fall off during use, thereby improving the safety and comfort of cars. In mold manufacturing, this type of nut is also used to secure various components of the mold, ensuring the accuracy and durability of the mold. In ship and railway construction, hexagonal welding nuts also play an important role in connecting and fixing various structures and equipment, improving the stability and safety of the overall structure.
Cross recessed pan head self drilling screw Size:M4.2-M4.8 Length:12mm-50mm Material: carbon steel Finish: white zinc plated, blue zinc plated,yellow zinc plated, etc.
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A bracket is a widely used support structure in various occasions, with diverse designs and materials that can meet different usage needs. Hardware brackets are usually made of metal materials such as stainless steel, aluminum alloy, etc., which have good durability and load-bearing capacity, ensuring the stability and safety of the bracket.
Standard GB, DIN, ISO, JIS Size M3-M50 or non-standard as request&design Material Carbon steel, stainless steel, alloys steel etc. Hex head bolt and nut Grade 4.8 / 6.8 / 8.8 / 10.9 / 12.9 , A2-70 / A4-80 Packing Box, carton or plastic bags, then put on pallets, or according to the demand of the customers
Standard GB, DIN, ISO, JIS Size M3-M50 or non-standard as request&design Material Carbon steel, stainless steel, alloys steel etc. Hex head bolt and nut Grade 4.8 / 6.8 / 8.8 / 10.9 / 12.9 , A2-70 / A4-80 Packing Box, carton or plastic bags, then put on pallets, or according to the demand of the customers
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Standard GB, DIN, ISO, JIS Size M3-M50 or non-standard as request&design Material Carbon steel, stainless steel, alloys steel etc. Hex head bolt and nut Grade 4.8 / 6.8 / 8.8 / 10.9 / 12.9 , A2-70 / A4-80 Packing Box, carton or plastic bags, then put on pallets, or according to the demand of the customers
Standard GB, DIN, ISO, JIS Size M3-M50 or non-standard as request&design Material Carbon steel, stainless steel, alloys steel etc. Grade 4.8 / 6.8 / 8.8 / 10.9 / 12.9 , A2-70 / A4-80 Packing Box, carton or plastic bags, then put on pallets, or according to the demand of the customers
Standard GB, DIN, ISO, JIS Size M3-M50 or non-standard as request&design Material Carbon steel, stainless steel, alloys steel etc. Hex head bolt and nut Grade 4.8 / 6.8 / 8.8 / 10.9 / 12.9 , A2-70 / A4-80 Packing Box, carton or plastic bags, then put on pallets, or according to the demand of the customers
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Finish ZINC PLATED Measurement system Metric Application Heavy Industry, Retail Industry, General Industry Place of Origin China Hebei Standard DIN ASTM BSW GB Product name Rivet Nut Material Carbon Steel , Stainless Steel manner of packing Carton or according to customer requirements port of shipment Tianjin Port
