Flat Washer M10 A4 St/Stl Form B (10.5x21x1.25) DIN 4320

Flat Washer
Form B
Stainless Steel A4 Grade 316
Dia: M10
Dimension: 10.5 x 21 x 1.25mm
DIN: 4320
A BS 4320 (formerly DIN 4320) flat washer, made from A4 (Grade 316) "marine-grade" stainless steel, is a robust, large-diameter or thicker circular disc used to distribute fastener loads. Its primary purpose is to provide superior corrosion resistance and enhanced load-bearing capacity in heavy-duty structural applications within harsh environments like marine or chemical processing.