フランジ付き緩み止めナット

Flange anti-loosening nut, this flange bottom stop will loosen due to vibration. Engaged in mechanical and automobile repairs. And it has continuing education certification, which complies with the regulations. Save money by ordering in bulk. We can provide samples for free – test the quality before you commit. Simple and straightforward, without frills.

Product details and parameters

Flanged anti-loosening nuts are made by mixing standard hex nuts with built-in flanges – this wide and flat rim. The flange is like a gasket: it distributes pressure and grips the surface better. Made of steel, stainless steel or coated alloy. Whether it's machinery, vehicles, outdoor equipment – any bolt will keep shaking. Unlike ordinary nuts, it is designed to lock tighter. Very direct. There are no additional parts to handle. Whether the machine is running non-stop or driving on rough roads, this nut works – staying tight and eliminating the hassle of adding a separate gasket.

The wide base with flange lock nut distributes pressure evenly and prevents the surface from staining easily. The hexagonal shape fits a standard wrench. Materials like A4 stainless steel can resist saltwater or chemicals. Some models have serrated edges under the flange for enhanced grip.

Why choose a flanged lock nut? Flanges have a dual function: to protect surfaces from damage and to prevent loosening by increasing friction. No additional parts are required, as long as it is tightened with a wrench, it is more secure than a regular nut in a shaking device such as an engine or conveyor belt. Materials such as zinc-plated steel resist rust, making them ideal for outdoor use.

Product Use

Many mechanical and electrical products require stable fixed components that can continue to work under vibration and long-term use. In Little America ®, we produce fasteners that are widely used in real industrial and everyday equipment scenarios. These parts are commonly found in automotive production, engine assembly, motor systems, fans, pumps, and small power tools. They are also suitable for construction machinery, assembly lines, household appliances, metal furniture, and outdoor facilities. This construction helps to secure the components together without the need for additional gaskets, making installation simpler and more efficient. They can be fitted with standard bolts and can be used both on large-scale production lines and for on-site maintenance work. They help reduce the risk of parts coming loose during work, thereby reducing maintenance costs and improving the overall safety of the equipment. Many manufacturers and maintenance teams choose these parts for their daily work because they are practical and easy to use in different working conditions. This fastener supports stable performance in normal operating environments, meeting the basic fastener needs of many industries. Our team has accumulated rich experience and is able to produce these parts according to actual market demand and customer usage feedback. We constantly adjust the production details to ensure that the products meet the actual work needs.

Our market distribution

Maintenance & Tips

Loosening nuts with flanges are less expensive to maintain. But you should check the leveling section from time to time for rust or dents. If you use it outdoors, it is recommended to choose stainless steel or coated ones. As long as the threads are fine, these nuts can be reused. But if the flange is bent or cracked, it's time to throw it away. Use a torque wrench when tightening. Tightening too tightly can damage the bolt. Take these basic steps now and you will have less trouble later. It's that simple.