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ASTM F436m Hardened HDG Flat Washer is stamped piece from, The shape is round with a hole in the middle. ASTM F436m Hardened HDG Flat Washer have a smooth bearing surface which is used under the head of a bolt, ASTM F436m Hardened HDG 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.

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. 

DIN6919 Carbon Steel Black Flat Washers is one of our common standard washers, the material of carbon steel, the surface has black oxide,zinc plated. DIN6919 Carbon Steel Black Flat Washers is use with A394 high strength structural bolts. DIN6919 Carbon Steel Black Flat Washers, 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.

DIN931 Hex Bolt is the most commonly used hex bolt in the metric bolt, DIN931 Hex Bolt common grades are 4.8, 6.8, 8.8, 10.9, 12.9. DIN931 Hex Bolt surface is coated with different coatings for different environments.

DIN6923 Flange Head 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 DIN6923 Flange Head 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.

DIN912 Socket Cap Screw is a hexagonal head that allows for easy tightening and loosening, and is made from high-quality steel for maximum durability. With its sturdy construction and robust design, DIN912 Socket Cap Screw can withstand high levels of stress and strain, making it an ideal choice for heavy-duty applications. Made from high-quality steel, DIN912 Socket Cap Screw is resistant to corrosion and rust, ensuring reliable performance even in harsh environments. DIN912 Socket Cap Screw With its high strength, ease of use, versatility, and corrosion resistance, it is no wonder that it is a popular choice for a wide range of applications.