China Square Flat Washers & Reinforced Washers Manufacturers, Factory - Buy Square Flat Washers & Reinforced Washers at Good Price

Square flat washers and reinforced washers include models PL-344, PL-366, and PL-388, which are oversized thickened metal washers used with U-connectors and other timber connectors. Featuring a square metal plate design with a large center hole, sizes range from 3x40x40 to 3x80x80. They increase contact area between connector base plates and timber or concrete, distribute concentrated fastener loads, prevent local timber crushing or concrete damage, and provide a more stable connection foundation. They are important complementary accessories in heavy timber and high-load connection joints.