Anti-Loosening Self-Locking Nut
Upgraded process, performance certified to DIN 267-27 standard.
At Fullerkreg Kunshan Dongluo Hardware Co., Ltd., we engineer fastening solutions that hold — even when everything else is shaking. Our Anti-Loosening Self-Locking Nut is designed for demanding industrial environments where vibration, thermal cycling, and mechanical impact are everyday realities. Built to meet the rigorous requirements of DIN 267-27, this nut delivers consistent, certified performance across a wide range of thread sizes and operating conditions.
Key Features
- ✓ Vibration-resistant anti-loosening — withstands equipment operational impact without backing off
- ✓ Compliant with DIN 267-27 standard — stable performance without degradation over repeated use
- ✓ Suitable for various environments — rust-resistant and corrosion-resistant surface treatment
- ✓ Reduces maintenance costs — improves assembly efficiency and extends service intervals
Application Scenarios
Our Anti-Loosening Self-Locking Nuts are applicable to industrial automation, precision instruments, mechanical equipment, and other fields where joint integrity is critical. Whether you are assembling high-cycle machinery or securing sensitive instrumentation, these nuts provide the locking performance your application demands.
Performance Test Data
All products are tested and certified in accordance with DIN 267-27:2009-09. The table below shows prevailing torque values measured at ambient temperature and at elevated temperatures of 100 °C and 150 °C (without preload).
Fig. 1 — Test torques at ambient temperature and at temperatures of 100 °C and 150 °C (without preload)
| Thread Size | Torques (Nm) | ||
|---|---|---|---|
| M_min | M_max | M_Bk | |
| M3 | 0.1 | 0.2 | 1.5 |
| M4 | 0.2 | 0.4 | 3.0 |
| M5 | 0.3 | 1.0 | 6.5 |
| M6 | 0.3 | 1.8 | 10 |
| M8 / M8×1 | 1.8 | 4.0 | 28 |
| M10 / M10×1.5 | 3.0 | 10 | 55 |
| M12 / M12×1.5 / M12×1.75 | 5.0 | 16 | 85 |
| M14 / M14×1.5 | 9.0 | 22 | 150 |
| M16 / M16×2 | 11 | 35 | 280 |
| M18 / M18×2 | 18 | 40 | 385 |
| M20 / M20×2.5 | 30 | 230 | 3000 |
| M22 / M22×3 | 35 | 330 | 4000 |
Per DIN 267-27:2009-09 Standard
Why Choose Fullerkreg?
Fullerkreg Kunshan Dongluo Hardware Co., Ltd. is a professional manufacturer of DIN/ISO standard fasteners with full in-house production and quality control capabilities. Our Anti-Loosening Self-Locking Nuts are manufactured with upgraded processes and independently verified to meet DIN 267-27 certification requirements — giving you the confidence to specify them in critical assemblies.
For bulk pricing, technical datasheets, or custom specifications, contact our sales team today.
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DIN 267-27