65 Manganese Steel Black Butterfly Spring Lock Washer (M3-M40)

This high-quality lock washer is crafted from durable 65 manganese steel, ensuring excellent resistance to wear and deformation. Its unique butterfly spring design provides reliable locking performance, preventing loosening caused by vibration and dynamic loads. The sleek black finish not only enhances its aesthetic appeal but also adds a layer of corrosion resistance. Available in a range of sizes from M3 to M40, this washer is versatile and suitable for various applications, including automotive, mechanical, and industrial uses, where secure fastening is critical. Standard No.: GB93-87 Manufacture country: China Instructions included: No