Enhance your fastening solutions with this Button Head Socket Cap Screw. Crafted from durable stainless steel, it ensures long-lasting performance in various applications. Featuring a Pin-In Torx drive type, it offers secure and efficient installation. Compliant with ASME B18.3 specifications, this screw guarantees quality and reliability. With a thread size of 4-40 and a length of .25 inches, it's perfect for precise and secure fastening. Rest easy knowing it's RoHS compliant, making it environmentally friendly. Upgrade your hardware with this essential component.