Description
Product Overview
These binifiMux M8 x 1.25mm lock nuts are precision-engineered for demanding applications in automotive, bicycle, and industrial machinery. Crafted from high-grade 304 stainless steel with a plain finish, they offer rust resistance and long-term durability. Each nut features an integrated nylon insert that prevents loosening under vibration or stress. The hex height is 5.5mm, angle-to-angle distance is 14.4mm, and the total height is 8mm — designed to fit standard 13mm hex spanners. Packaged with a plastic storage case for organized long-term use.
Usage
Ideal for securing bolts and screws in vehicles, bicycles, machinery, and DIY projects where vibration resistance is critical. Perfect for mechanics, hobbyists, and professionals who need reliable fastening solutions without frequent re-tightening. The compact size and standard metric thread make them compatible with most tools and equipment.

Why Choose Us
Our lock nuts are manufactured to strict quality standards using 304 stainless steel for corrosion resistance and strength. The nylon insert ensures a secure, vibration-resistant fit without requiring additional tools or adhesives. Each package includes 20 pieces in a protective case — ideal for storage and organization. Customer service is available if you encounter any issues with your order.
Key Features
- Rust-resistant 304 stainless steel construction for long-lasting performance in harsh environments.
- Self-locking nylon insert prevents loosening under vibration, ideal for automotive and machinery use.
- Compact hex height of 5.5mm fits standard 13mm spanner tools for easy installation.
- Packaged with a plastic storage case to keep nuts organized and protected during long-term storage.
- Committed customer service ensures support if you encounter any issues or questions about your order.
FAQ
Are these lock nuts suitable for automotive use?
Yes, these M8 x 1.25mm stainless steel lock nuts are specifically designed for automotive applications where vibration resistance and corrosion protection are essential.
What is the material of these lock nuts?
The nuts are made from high-quality 304 stainless steel with a plain finish, offering excellent rust resistance and durability in various environments.
How many pieces come in one package?
Each package contains 20 M8 x 1.25mm lock nuts stored in a plastic case for easy organization and long-term use.
What tools are needed to install these nuts?
You can install them using a standard 13mm hex spanner or wrench, as the nut’s hex height is designed to fit common tools.
Do you offer warranty or customer support?
We provide committed customer service and are available to assist with any questions or issues regarding your order.





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