Description
Overview
DIN7 specifies the dimensional requirements for parallel pins, ensuring reliable interchangeability and engineering performance.
This selected size is specified with diameter M8, thread M8.
Sold in multiples of '500 pieces. 1 Box = '500 pieces.
Material, Grade & Strength
A4 (316) stainless steel provides superior corrosion resistance for harsh environments.
Finish & Corrosion Protection
Plain finish is intended for protected indoor applications.
Typical Uses
Used in machinery, maintenance, manufacturing, agriculture, mining and general engineering applications.
Technical Tips
- Select the correct size and material for the application.
- Inspect components before installation.
- Follow recognised engineering practices and manufacturer recommendations.
Dimensions – DIN 7980 M8
| Standard | DIN 7980 |
|---|---|
| Product | Spring lock washer for socket cap screws |
| Nominal size | M8 |
| Inside diameter (d1) | 8.2 mm |
| Outside diameter (d2) | 14.2 mm |
| Thickness (s) | 2.5 mm |
| Weight (calculated) | 2.11 kg per 1 000 pieces |
Material, Grade & Strength
| Material | Stainless steel A4 (316) |
|---|---|
| Steel grade | AISI 316 (1.4401) |
| Composition | C max 0.07%, Cr 16.5-18.5%, Ni 10.0-13.0%, Mo 2.0-2.5% |
| Typical use | marine, coastal, chlorides, chemical plant |
Finish & Corrosion Protection
Plain / self colour: No applied coating. Stainless, brass and nylon parts are supplied plain; plain steel parts need oil, paint or protected environments.
DIN 7980 data sheet – all sizes
| Size | Nominal size | Inside diameter (d1) | Outside diameter (d2) | Thickness (s) |
|---|---|---|---|---|
| M3 | M3 | 3.1 mm | 5.7 mm | 1 mm |
| M4 | M4 | 4.1 mm | 7.1 mm | 1.2 mm |
| M5 | M5 | 5.1 mm | 8.7 mm | 1.6 mm |
| M6 | M6 | 6.1 mm | 11.1 mm | 2 mm |
| M8 | M8 | 8.2 mm | 14.2 mm | 2.5 mm |
| M10 | M10 | 10.2 mm | 17.2 mm | 3 mm |
| M12 | M12 | 12.3 mm | 20.2 mm | 3.5 mm |
| M16 | M16 | 16.3 mm | 26.2 mm | 4.5 mm |
| M20 | M20 | 20.5 mm | 31.2 mm | 5.5 mm |
| M24 | M24 | 24.5 mm | 38.5 mm | 6.5 mm |
Nominal dimensions per DIN 7980. Weights are calculated from nominal dimensions and are a guide only (±10%). Values for fit and strength should be confirmed against the standard for critical applications.
Specifications
| Measurement Type | Metric |
|---|---|
| Thread Size | M8 |
| Inner Diameter | 8.5 mm |
| Outer Diameter | 12.7 mm |
| Diameter | M8 |
| Thickness | 4 |
| Material | Stainless Steel |
| Finish | Plain |
| Grade | Grade (A4) |
| Standards Met | DIN 7980 |
| Package Quantity | 500 |
| Package Type | Box |