China Heavy Hex Bolt Manufacturer, Supplier, Factory

DIN125A Flat Washer is stamped piece from, The shape is round with a hole in the middle. DIN125A Flat Washer have a smooth bearing surface which is used under the head of a bolt, DIN125A Flat Washer are used to reduce friction, The force is unoform, It is not easy to slip and lock in the process of rotation, and it is anti loose design, prevent leakage, isolate, prevent loosening, or distribute pressure.

The step design of our ISO8677 Round Head Square Neck Bolt also adds to its versatility. ISO8677 Round Head Square Neck Bolt has stepped threads that increase the grip of the bolt, which is particularly useful when bolting through soft materials such as wood. Whether you need to fasten two or more objects of varying thicknesses or even hang a picture on the wall, ISO8677 Round Head Square Neck Bolt is up to the task. The combination of its knurl round head design, double steel structure, and step design make it versatile, practical, and aesthetically pleasing, making it an essential addition to any toolbox.

ANSI D-21 Hex Flange Nut provide a secure and tight fit, while also preventing the nut from loosening due to vibration. This is especially important in industries where machinery and other heavy equipment are used, as any loosening of fittings can cause dangerous and costly consequences. The flange of ANSI D-21 Hex Flange Nut acts as a washer, providing additional support while preventing the nut from embedding itself into the surface of the material being fastened. This greatly reduces the risk of damage to the structure, as well as providing a more aesthetically pleasing finish.

DIN127b Metal Spring Washer are commonly used metric lock washers, DIN127b Metal Spring Washer a split metal ring that is bent into a helical shape. DIN127b Metal Spring Washer are a left hand helix and allow the nut to be tightened in a right hand direction only. When compressed by tightening the nut, the washer bites into the substrate and exerts a spring force between the bolt and the substrate creating frictional resistance to rotation. 

En14399-6 Black Washer with Hv is one of our common standard washers, the material of carbon steel, the surface has black oxide,zinc plated. En14399-6 Black Washer with Hv is use with A394 high strength structural bolts. En14399-6 Black Washer with Hv, mainly punched out from iron plates. The common shape of a flat washer is a hole in the central. The pore size specifications according to customer requirements. high quality and lower price. Our company has certificates ISO9001.

ISO4014 Hex Bolt is the most commonly used hex bolt in the metric bolt, ISO4014 Hex Bolt common grades are 4.8, 6.8, 8.8, 10.9, 12.9. ISO4014 Hex Bolt surface is coated with different coatings for different environments.