Description
Product Overview
The E-Z LOK Threaded Insert for Metal is engineered from high‑grade 12L14 carbon steel, delivering exceptional strength and durability for demanding fastening applications. Each insert features a precision‑machined M5 internal thread paired with an M8 external thread, allowing seamless integration with a wide range of fasteners and components. The 7.49 mm length provides ample engagement depth while maintaining a compact profile that fits into tight spaces. Designed for self‑locking performance, these inserts resist loosening under vibration and thermal cycling, making them ideal for both static and dynamic loads. The pack of ten ensures you have sufficient inventory for multiple projects, repairs, or bulk installations, reducing downtime and inventory management complexity.
![[Product front view showing all components]](https://www.painreliefco.store/wp-content/uploads/2026/08/417a3464e9b34b859c2550c8200805f1.jpg)
Usage
These threaded inserts excel in soft‑metal environments such as aluminum, cast iron, magnesium, and other alloys where traditional tapping can strip or weaken the material. Whether you are reinforcing a worn‑out hole in a machine housing, installing a new mounting point on a lightweight chassis, or repairing a stripped thread in a consumer appliance, the E-Z LOK insert provides a reliable, long‑lasting solution. The inserts are compatible with standard hand tools—simply drill the pilot hole to the recommended diameter, tap the hole using a conventional tap set, and turn the insert into place with a screwdriver, bolt, or the optional E‑Z LOK drive tool. This straightforward process eliminates the need for specialized equipment, enabling field technicians, hobbyists, and production line workers to achieve professional results quickly.
Why Choose Us
Choosing E‑Z LOK means selecting a brand with a proven track record of quality and innovation in fastener technology. Our threaded inserts undergo rigorous testing to meet industry standards for tensile strength, shear resistance, and corrosion protection, ensuring that each unit performs reliably even in harsh operating conditions. The 12L14 carbon steel composition offers a balanced blend of hardness and toughness, resisting wear while providing the necessary flexibility for easy installation. Additionally, our commitment to customer satisfaction includes responsive technical support, detailed installation guides, and a hassle‑free return policy, giving you confidence that your investment is protected from purchase through long‑term use.
Key Features
- High‑strength 12L14 carbon steel ensures long‑lasting durability in demanding applications.
- Self‑locking M5 internal and M8 external threads provide secure, vibration‑resistant connections.
- Easy installation with standard drills, taps, and common hand tools eliminates the need for special equipment.
- Ideal for soft metals such as aluminum, cast iron, and magnesium, making it versatile across industries.
- Dedicated customer support and comprehensive installation resources for a smooth user experience.
FAQ
What size pilot hole is required for installation?
The recommended pilot hole diameter is 4.5 mm for the M5 internal thread version and 6.8 mm for the M8 external thread version. Always refer to the included sizing chart for optimal results.
Can these inserts be used in hardened steel?
While the inserts are optimized for soft metals, they can be employed in mildly hardened steel when a pre‑drilled and tapped hole is prepared with appropriate cutting fluids. For heavily hardened substrates, a different insert material is recommended.
Do the inserts require any thread‑locking compound?
No additional thread‑locking compound is necessary. The self‑locking design of the E‑Z LOK insert creates a secure grip that resists loosening under normal operating conditions.
How many inserts are included in the pack?
Each package contains ten (10) threaded inserts, providing ample quantity for multiple repairs, batch installations, or inventory stocking.
Is there a warranty on these inserts?
Yes, E‑Z LOK offers a limited one‑year warranty covering material defects and manufacturing flaws. Contact our support team for claim procedures and further assistance.





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