Low carbon USS flat washers, typically used with Grade 8 or hardened steel bolting, are used under bolt heads or nuts to increase the bearing surface area, or to offer protection so that the nut or bolt can be rotated without distortion of the bearing surface. Flat washers are also used to give tightness to a joint, to prevent leakage, and especially to distribute pressure under the head of a bolt or nut. Dimensional specifications are governed by ASME B18.21.1. USS (United States Standard) flat washers have a larger outer diameter than SAE (Society of Automotive Engineers) flat washers, and can be utilized in nearly any application. ASTM F844 covers the standard specifications for unhardened steel flat washers for general use. Available in zinc plated finish. Zinc plating sacrifices itself, corroding before the base material, offering added corrosion resistance.
If you need more information or want to order washers, please contact us. Carbon Steel Gasket,Zinc Coated Washers,Galvanized Steel Washers,Galvanized Plate Washers Taizhou Hongchuang Hardware Co., Ltd. , https://www.taizhouhongchuang.com
When it comes to wet pulverizers, most people are familiar with their ability to crush high-moisture materials. Wanhua's wet pulverizer has recently achieved a significant technological breakthrough. It introduces new technical principles to the traditional system, making it especially suitable for crushing materials like cinder, slag, shale, coal gangue, construction waste, and other similar substances commonly found in brick and tile factories. This innovation is the result of years of research by Wanhua mechanical engineers. The new high-quality wet material pulverizer offers several remarkable features:
1. The wet material pulverizer uses two sets of rotors connected in series. During operation, the material crushed by the upper rotor is immediately further broken down by the rapidly rotating hammers of the lower rotor. The internal materials collide at high speed, achieving efficient crushing and direct discharge as fine powder.
2. Unlike traditional models, this machine does not use a screen mesh at the bottom. This design ensures that high-moisture materials never clog, eliminating the need for strict moisture control. There’s no risk of sieve blockage or fine powder accumulation causing repeated crushing. As a result, the crushing efficiency is significantly improved, and there is no unnecessary wear on the hammers.
3. The wet material pulverizer is equipped with high-alloy wear-resistant hammers, which are designed for long-lasting performance. These hammers are used in combination with hammer handles to enhance durability and effectiveness.
4. With a dual-rotor system operating in series, the machine crushes materials in two stages. This results in a large output, with particle size below 3mm, and over 80% of the material being below 2mm.
5. The equipment is easy to operate, requiring only one person to open and close it. It is lightweight, fast, safe, and reliable, saving time and effort while making maintenance more convenient.
Our main products include wet material crushers and cinder crushers. For more information, visit our website: http://
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Wanhua professional wet material crusher technology brings you confidence and wealth