The Sherline 1/4-20 x 3" SHCS is a robust fastener designed for secure and reliable assembly. It features an internal hex drive and a socket head style, providing ease of use and a streamlined appearance. Constructed from heat-treated alloy steel, it ensures durability and strength in various applications. The black oxide finish enhances its resistance to corrosion, making it suitable for demanding environments. With a coarse thread type and a diameter thread size of 1/4-20, it is engineered for optimal performance in mechanical assemblies.