Fastener/Nut/DIN557/Square Nut/Heavy Nut/Stainless Steel/Zinc Plated/Carbon Steel/Dacromet

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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.

We will try our best to provide customers with better Fastener/Nut/DIN557/Square Nut/Heavy Nut/Stainless Steel/Zinc Plated/Carbon Steel/Dacromet and services with more enthusiasm and more efficient measurements. Over the years, our company has adhered to the business philosophy of honesty, enterprising, dedication, and mutual benefit. We will move forward with our customers with excellent quality, reasonable price and perfect after-sales service.