Enhance your fastening solutions with this Fillister Head Machine Screw. Crafted from durable stainless steel, it boasts a precise ASME B18.6.3 specification and a 3-56 thread size, making it ideal for various industrial applications. The slotted drive type ensures easy installation, while the fillister head design offers a secure grip. With a length of .4375 inches, it's perfect for tasks requiring a strong and reliable hold. Plus, its compliance with RoHS standards guarantees its environmental responsibility. Upgrade your toolkit with this top-quality machine screw.