The VALUE COLLECTION 5/16" Screw Steel Split Lock Washer, 0.318" to 0.338" ID, Package of 5 is a high-quality fastening component designed to enhance the reliability and safety of mechanical assemblies. Manufactured from uncoated steel, this washer offers robust performance in various industrial applications. Its precise dimensions, with an inside diameter ranging from 0.318" to 0.338", ensure a secure fit for 5/16" screws, effectively preventing loosening due to vibration and thermal expansion. This feature is particularly beneficial in environments where equipment is subject to dynamic loads and temperature fluctuations, such as in automotive and heavy-duty machinery sectors. By incorporating this lock washer into your assemblies, you can achieve a more secure and durable connection, thereby reducing maintenance needs and extending the service life of your equipment. The package includes five washers, providing sufficient quantity for multiple applications or repairs. This product is an essential addition to any maintenance toolkit, offering a cost-effective solution to enhance the integrity of mechanical joints.