The Lawnmower Cover Screws 590586 Replacement Parts are an essential component for anyone looking to maintain their lawn mower in perfect condition. Made of durable carbon steel, these screws ensure a secure and seamless fit, preventing any leaks or damage to the deck or blades. Our product is designed to fit a range of Bolens 20 mower hardware, including the popular 450E series. The TB110 and TB200 bolts, equipped with a black deck lid fastener, are perfect for handling the job. With high-quality construction and a stylish black finish, these lawn mower cover screws are a great addition to any homeowner's tool kit.