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Screws are essential for keeping objects together so machines or devices can function properly. The various types of fastener you choose will depend on what type of project you’re working on. There are many types of captive fasteners that are useful for tightening different objects and they play a crucial role in the production of products and goods. A captive fastener is a special screw that locks into a pre-drilled hole in order to create a permanently secure hold. They feature a head and external threading similarly seen on small screws. They’re different because they can be fastened and unfastened without having to remove it from the pilot hole. There are several methods in which these micro screws are manufactured. These include press-fitting, broaching, and thread locking. Benefits There are a few benefits with using custom fasteners. Because of the permanent hold, they create with the pilot hole, these screws are less likely to suffer from age-related degradation. They also offer a high level of protection against stress and vibration that can loosen traditional screws. Captive fasteners are ideal for manufacturing companies due to their inexpensive cost. Features Captive fasteners include either self-clinching or broaching features. Self-clinching features are typically used for ductile materials for use in printed circuit board fastening and sheet metal integration. Broaching features are used for non-ductile materials. The captive fastener accomplishes joining through an interference fit at the time of installation. Each type becomes a permanent part of the item or panel which it’s installed. A captive fastener can be valuable because of their speed in use in the manufacturing process. They can also keep costs low during field servicing. The type of custom fastener you use will depend on the sheet material or panels being used. When choosing custom fasteners, make sure they’re compatible and their hardness is greater than the material.

Spring is a mechanical part that uses elasticity to work. The parts made of elastic materials deform under the action of external force, and recover after removing the external force. There are varieties types of springs can be widely used in machinery and instruments. KENENG is the leading spring manufacturer of a variety of standard and customized springs. Our springs have the ability to meet the demands of various industrial applications and the wire diameter we can do ranges from 0.1 to 80mm. We are also an industrial spring manufacturer. We can manufacture all types of Compression, Tension and Torsion springs, Square spring, Wire bending spring, R Clips, Metal Stamping Spring. KENENG can produce both standard and stock springs as well as custom sizes and styles. Non-standard spring customization needs customers to coordinate design and production with us, according to the actual use of the environment, installation space, pressure size to choose the material of the spring, wire diameter, size, and special processing technology. It is worth mentioning that we are also popular custom coil spring manufacturer as well as custom compression spring manufacturer. As a professional custom spring factory, we supply customized compression springs, extension springs, torsion springs, disc springs, die springs, spiral springs, wire form springs, and rubber springs. We maintain a large inventory of materials in different sizes. All materials can be traced back to the original mill heat number. Materials are available in round, square, and rectangular, and the diameters are ranging from 0.2mm to 90mm. As a spring manufacturing company. We have various specifications of a fully automatic computer spring coiling machine, computer spring grinding machine, continuous mesh belt quenching furnace, tempering furnace, spring tension and compression testing machine, spring fatigue testing machine, and a complete set of spring hot coil equipment. With complete production and testing equipment and advanced production technology, we can make many different kinds of springs to meet your requirement. KENENG can produce many kinds of springs, including compression springs, extension springs, torsion springs, die springs, battery springs, volute springs, disc springs, wire springs, and custom spring products according to your needs. We have MSDS /ROHS/REACH/ISO 9001 certificates. https://www.kenenghardware.com/custom-spring/