The TEK SCREW HEX WASHER HD #10 X 1-1/4" is designed for efficient fastening with its self-drilling point and spaced threads, allowing it to create its own hole in various materials. This screw is perfect for attaching plywood, metal, and other substrates, providing a strong and reliable connection. Constructed from durable steel, it ensures longevity and superior performance in both indoor and outdoor applications. Its hex washer head allows for easy installation with a socket wrench or impact driver.