The Fillister Head Machine Screw, a high-quality fastening solution perfect for a range of applications. Crafted from durable stainless steel, this screw boasts exceptional strength and corrosion resistance, making it ideal for both indoor and outdoor use. Its ASME B18.6.3 specification guarantees precision performance, while its 1/4-20 thread size ensures a secure fit. The fillister head design offers increased bearing surface for enhanced stability, and the slotted drive type allows for easy installation. With a length of .625 inches, it's versatile enough for various projects. Plus, its RoHS compliance underscores our commitment to environmental responsibility. Upgrade your fastening arsenal with this reliable and efficient machine screw.