Introducing a pack of 100 high-quality 4-40 x 5/16 Phillips Fillister Head Machine Screws, fully threaded and made from durable zinc. These versatile screws are perfect for a wide range of applications, from furniture assembly to machinery repair. With their precision threading and sturdy construction, they provide a secure and reliable hold, ensuring your projects stay firmly in place. The Phillips head design allows for easy installation and removal, while the fillister head provides a clean, flush fit against the surface. Whether you're a professional contractor or a DIY enthusiast, this 100-piece pack offers excellent value and convenience, ensuring you always have the right screws on hand. Upgrade your toolbox with these essential hardware components today.