DIN EN 1667 (DIN) and ISO 12126 (ISO) are equivalent fastener standards that specify the same or very similar products. Both standards cover 6 fastener types in our database.
DIN EN 1667 (DIN standard) and ISO 12126 (ISO standard) are equivalent standards that define the same fastener geometry and mechanical requirements. Minor differences may exist in tolerances, marking requirements, or referenced test methods, but the products are interchangeable in most applications. Always verify specific project requirements with your engineer.
| Property | DIN EN 1667 | ISO 12126 |
|---|---|---|
| Standard Body | DIN | ISO |
| Product Types | 6 fastener types | |
| Interchangeable? | Yes — equivalent standard | |
From: Prevailing Torque Type All-Metal Hexagon Nuts with Flange, Style 2 - Fine Pitch Thread — applies to both DIN EN 1667 and ISO 12126
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 1.5 | 13.30 | 14.8 | 14.00 | 29.9 | / | 2.1 | 23.36 | 15.9 | 15.10 | 27.6 |
| M12 | 1.5 | 18.70 | 20.3 |
Both DIN EN 1667 and ISO 12126 fasteners are available with various surface treatments. Common options for these standards include:
Request detailed technical specifications, material certifications, and availability information for your application requirements. Our engineering team can provide product recommendations, custom specifications, and technical documentation.
| Prevailing Torque Type All-metal Hexagon Nuts with Flange with Metric Fine Pitch Thread - Product Grades A and B | ✓ |
| 20.00 |
| 42.8 |
| / |
| 3.0 |
| 32.95 |
| 22.4 |
| 21.60 |
| 39.9 |
| M8 | 1 | 9.64 | 10.34 | 10.00 | 21.8 | 1.25 | 1.5 | 16.64 | 11.4 | 10.80 | 19.6 |
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