DIN 127-A SPRING WASHER — M56: inside diameter 57–58.5 mm, outside diameter max 87 mm, thickness 7.75–8.25 mm, pitch 5.50 mm. Material A2-70, surface Stainless Steel, tensile strength 700 MPa. Dimensional tolerances per DIN 127-A.
WASHERS
| Inner Diameter (d1) | 57–58.5 mm |
| Outer Diameter (d2) | max 87 mm |
| Thickness (s) | 7.75–8.25 mm |
| Pitch | 5.50 mm |
| Tensile Strength | 700 MPa |
| Material | A2-70 |
| Surface | Stainless Steel |
Dimensional tolerances per DIN 127-A. Outer diameter is given as an upper limit only — the standard specifies no lower limit for d2.
Grade A2-70 · Stainless Steel
Grade A2-70 · Plain
Grade A4-70 · Stainless Steel
Grade A4-70 · Plain
Contact engineering team for verified B2 data reference.
DIN 127-A Spring Lock Washer per DIN 127-A specification, available in A2-70 grade with Stainless Steel finish. Engineered for industrial OEM applications requiring 700.0 MPa tensile strength and reliable long-term fastening performance.
57–58.5 mm (nominal with the tolerance range shown above)
max 87 mm (nominal with the tolerance range shown above)
7.75–8.25 mm (nominal with the tolerance range shown above)
5.50 mm
Material: A2-70, surface: Stainless Steel, tensile strength: 700 MPa.
DIN 127-A.