DIN 125 Flat washers manufactured to standard specifications balance load distribution in bolt and nut connections, thereby increasing the strength of the connection. Placed under screw and bolt heads, they prevent surface deformation and prevent fasteners from loosening. They have a wide range of applications, from industrial assemblies to light construction.
| Feature | |
| Standard | DIN 125 |
| Type | Flat Washer |
| Material | Carbon Steel, Stainless Steel (A2, A4), Brass |
| Coating | Electrogalvanized (White/Yellow), Hot-Dip Galvanized (HDG), Nickel, Black Oxide, Dacromet, Geomet |
| Compatible Standards | DIN 933, DIN 931, DIN 934, DIN 939, ISO 4017, ISO 4032 |
| Measurement Range | From M3 to M100 |
| Production Method | Cold or Hot Forging, Machining, Pressing |
| Heat Treatment | Optional |
- Machinery and equipment installations
- Construction and steel structure systems
- Automotive connection systems
- Electrical panels and control boxes
- White goods, furniture, and decorative equipment
- Light metal constructions
- Flange, piping, and valve connections
- ISO 9001:2015 Quality Management System
- ISO 14001:2015 Environmental Management System
- ISO 45001:2018 Occupational Health and Safety Management System
- EU Declaration of Conformity (PED) certificate (Compliance with the Pressure Equipment Directive)
- Our production processes, DIN, EN, ISO, and ASTM is fully compliant with the standards
- Upon request EN 10204 3.1 certificate is provided
DIN 125 is the standard for flat washers placed under bolts and nuts. It prevents deformation and loosening at connection points by distributing the force applied to the surface over a wide area.
Type A washers have sharp edges. Type B washers have chamfered outer edges. Type B washers are more widely used because they provide greater surface safety.
It is used in almost all bolted connection systems. It is particularly preferred in fields such as machinery, automotive, construction, electrical, and white goods.
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