A2, A4 Square Thin Nut, Grade C, DIN557

We are committed to making every DIN Hex Socket Screw, wing nut ISO9001:2008, ASME F436 square washer a high-quality product, so that we attach great importance to technological progress and development. Our company realizes the diversification and serialization of products, which can meet the needs of various customers all around the world. In terms of production and service, we actively absorb and introduce advanced technologies at home and abroad, and constantly provide high-quality products for customers with strong technical force and excellent equipment. Economic globalization and the rapid development of information technology have brought major changes to our company's operating environment. We are capable of offering our clients perfectly cost-effective, reasonable, advanced solutions. We strive to ship orders faster and more reliably than anyone else in the business and we are looking forward to cooperating with you!

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A flange nut is a nut that has a wide flange at one end that acts as an integrated, non-spinning washer. This serves to distribute the pressure of the nut over the part being secured, reducing the chance of damage to the part and making it less likely to loosen as a result of an uneven fastening surface. These nuts are mostly hexagonal in shape and are made up of hardened steel and often coated with zinc.

The flange may be serrated to provide a locking action. The serrations are angled such that they keep the nut from rotating in the direction that would loosen the nut. Because of the serrations they cannot be used with a washer or on surfaces that must not be scratched. The serrations help in preventing the vibration of the nut from moving the fastener, thus maintaining the holding power of nut.

The flange nuts are sometimes provided with a swivel flange which helps in creating a more stable structure without affecting finished product like a serrated flange nut. Swivel flange nuts are mostly used in joining wood and plastic. Sometimes both faces of the nut are serrated, permitting either side to lock.

Our product sales network covers many countries and regions around the world, enjoys high evaluation and popularity at home and abroad, and has become one of the best suppliers of A2, A4 Square Thin Nut, Grade C, DIN557. Our company practices the enterprise spirit of 'pragmatic, hard work, and responsibility', and creates a good corporate environment with integrity, win-win, and pioneering business philosophy. Our company has always attached importance to and implemented the enterprise development concept of 'invigorating the enterprise with talents, invigorating the enterprise through science and technology'.