It has excellent anti-loosening and anti-vibration propety with good repeatability.It can be used in key thread connections.

    SDPF doesn't provide fasteners with standard 60 degree thread form. SDPF only makes and sales DTFlock Nuts (Self-Locking and Anti-Loosening Nuts with 30 degree wedge). Look at SDPF's web page for detail.

    The advantages of nuts (thread):

1. Reliable anti-vibration & anti-loosening performance

2. Dramatically improved the using life of nuts and bolts

3. Reusable

4. Free suffer from severe change of temperature, with a wide range of applications

5. Rotate type, when to tighten it needs exert torque, convenient to install and discharge

6. Unlimited size

7. Matching with standard outer thread

8. Without any auxiliary lock components, such as spring washers, stop gasket, etc.

9. In addition to nuts, use DTF taps can also made the same anti-loosening VDTF thread, which can be widely used in the function requirement of self-locking parts.

10. To overcome the soft materials (such as aluminum) slide problems successfully.

DTF lock Wheel Nuts