Metric 24° fittings (ISO 8434-1)
Crimped fittings with a metric thread and 24-degree sealing cone, to ISO 8434-1 / DIN.
Overview
Metric fittings with a 24-degree sealing cone (DIN) are among the common hydraulic connection standards on equipment of European design, and are produced to ISO 8434-1. Tose'e Tejarat Sayyalat supplies these fittings in zinc-plated carbon steel or stainless steel, in thread sizes from M10×1.0 to M52×2.0.
End-User Industries
Metric assembly torque table (ISO 8434-1)
| Size | Dash | Torque (Nm) |
|---|---|---|
| M12×1.5 | 12 | 11 |
| M14×1.5 | 14 | 16 |
| M16×1.5 | 16 | 20 |
| M18×1.5 | 18 | 22 |
| M20×1.5 | 20 | 27 |
| M22×1.5 | 22 | 32 |
| M24×1.5 | 24 | 38 |
| M26×1.5 | 26 | 44 |
| M30×2.0 | 30 | 49 |
| M36×2.0 | 36 | 57 |
| M42×2.0 | 42 | 66 |
| M45×2.0 | 45 | 77 |
| M52×2.0 | 52 | 79 |
Metric reference dimensions — ISO 8434-1 (DIN, 24-degree cone)
| Thread | D (mm) | d (mm) |
|---|---|---|
| M10×1.0 | 9.0 | 10.0 |
| M12×1.5 | 10.5 | 12.0 |
| M14×1.5 | 12.5 | 14.0 |
| M16×1.5 | 14.5 | 16.0 |
| M18×1.5 | 16.5 | 18.0 |
| M20×1.5 | 18.5 | 20.0 |
| M22×1.5 | 20.5 | 22.0 |
| M24×1.5 | 22.5 | 24.0 |
| M26×1.5 | 24.5 | 26.0 |
| M30×2.0 | 28.0 | 30.0 |
| M36×2.0 | 34.0 | 36.0 |
| M42×2.0 | 40.0 | 42.0 |
| M45×2.0 | 43.0 | 45.0 |
| M52×2.0 | 50.0 | 52.0 |
In plain terms: Metric 24-degree fittings are found mainly on machinery of European design origin (German, Italian). The key point when ordering is to distinguish them correctly from other metric-threaded fittings — such as metric O-ring face seal types — because they look similar but have a different sealing angle and are not interchangeable.
Technical Catalogue
The full hose-to-ferrule selection table, together with crimp and skive data for this connection type, is available on request from our sales department.
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