DIN 7980 SPRING WASHER — M30: inside diameter 30.5–31.7 mm, outside diameter max 44.1 mm, pitch 3.50 mm. Material A2-70, surface Stainless Steel, tensile strength 700 MPa. Dimensional tolerances per DIN 7980.
WASHERS
| Inner Diameter (d1) | 30.5–31.7 mm |
| Outer Diameter (d2) | max 44.1 mm |
| Pitch | 3.50 mm |
| Weight per 1,000 pcs | 32 kg |
| Tensile Strength | 700 MPa |
| Material | A2-70 |
| Surface | Stainless Steel |
Weight is nominal, per 1,000 pieces, for the reference material on this page.
Dimensional tolerances per DIN 7980. 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 7980 Spring Lock Washer per DIN 7980 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.
30.5–31.7 mm (nominal with the tolerance range shown above)
max 44.1 mm (nominal with the tolerance range shown above)
3.50 mm
Material: A2-70, surface: Stainless Steel, tensile strength: 700 MPa.
DIN 7980.