Carbon Steel Sems Self Tapping Screws with Red Wire
Category: SEMS Screws
A sems self tapping screw is a generic term used to describe a screw pre-assembled with a free-spinning lock washer. It is a permanent assembly with the washer held in place by the major diameter of the screw thread being larger than the hole of the washer. The SEMS screw is simple, easy to use and available in many different styles making it well suited for many applications.
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