DIN125 Flat Washer
DIN 125 is the standard for plain flat washers, widely matched with hex bolts, nuts and screws for mechanical and construction fastening. It is a basic auxiliary fastener used to increase bearing area, distribute pressure, prevent loosening and protect surface from damage during installation. Standard Dimensions Inner diameter (ID): Match metric bolt sizes from M3 to M48 Outer diameter (OD), thickness strictly comply with DIN 125 standard Smooth flat surface, uniform thickness, no burrs Custom sizes and thickness available on request Key Features Increase contact area, reduce pressure on workpiece surface Prevent bolt/nut from sinking into soft materials Protect painted, plated or fragile surfaces from scratch and damage Improve fastening stability, assist anti‑loosening effect Perfectly matched with DIN 933 bolts and DIN 934 nuts Application Scenarios Widely used in machinery manufacturing, steel structure, construction engineering, electrical equipment, furniture hardware, automotive parts, pipeline fixing and general industrial assembly.