The addition of washers to hex head self-tapping screws is another feature that enhances their performance. Washers are flat discs, usually made of metal or plastic, placed under the head of the screw. They serve several important purposes
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2025-08-14 19:00
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This includes the top and bottom rails and the tension wire This includes the top and bottom rails and the tension wire
It became a formidable obstacle, slowing down enemy advances and causing significant casualties It became a formidable obstacle, slowing down enemy advances and causing significant casualties
