Introducing our Sems Machine Screw, a versatile and efficient fastening solution for a variety of applications. Crafted from durable stainless steel and featuring a square conical washer, this screw combines strength and stability with ease of installation. The pan head and Phillips drive type make it convenient to use, while the 4-40 thread size and 1-inch length offer compatibility with a range of projects. Rest assured, this screw is not only high-performing but also environmentally friendly, with full RoHS compliance. Upgrade your fastening arsenal with this essential component.