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"SEMS" or Assemblies Type Screws have a single captive washer or multiple free spinning captive washers.
Double washer screws are common in the electronics industry but can be used in automotive, energy, agriculture, etc.
SAVE TIME SEMS Screws eliminate the assembly of individual components, reducing the loss of loose parts during assembly. Also compatible with automated production equipment.
SEMS screws are versatile, featuring pre-assembled free-spinning lock washers, reducing assembly time, as well as the need for separate parts. Ideal for industries ranging from automotive to electronics amongst others, SEMS screws offer reliable performance and simplified installation. Explore our inventory to find metric SEMS screws in various materials, including steel and stainless steel, and with multiple finishes like zinc-plated, yellow zinc-plated and black oxide. Peruse our SEMS-assembled screws category today to discover how BelMetric can provide the perfect fastening solution for your projects.
