SEMS screws feature an indented hex head with a recessed Phillips drive and come preassembled with a free-spinning flat washer and/or a secondary lock washer, streamlining installation and reducing the risk of lost components.
Available in zinc-plated carbon steel for general-purpose use and stainless steel for enhanced corrosion resistance, they are ideal for electronics, automotive, energy, and agricultural applications.
The SEMS design saves time in assembly, improves serviceability in tight spaces, and is compatible with automated production equipment. Length is measured from under the head, including the washers.