Description
Product Overview
The E‑Z LOK Threaded Insert for Metal is engineered from high‑grade 12L14 carbon steel, delivering exceptional strength and durability in demanding applications. Each insert features a precision‑machined 5/16‑24 internal thread and a 1/2‑13 external thread, providing a secure, self‑locking connection that resists loosening under vibration and torque. The compact 0.484‑inch length and 0.8‑ounce weight make it easy to handle, while the pack of ten ensures you have enough parts for multiple projects or bulk repairs. Designed specifically for soft metals such as aluminum, cast iron, and magnesium, these inserts allow you to reinforce or repair tapped holes without the need for specialized equipment. The product dimensions of 1 × 1 × 1 inch fit comfortably in standard tool kits, and the inserts are compatible with common hand tools, including screwdrivers, jam nuts, and the optional E‑Z LOK drive tool.
![[Product front view showing all components]](https://www.painreliefco.store/wp-content/uploads/2026/07/4be3d66a86ad4a7794651c39fbb9ddec.jpg)
Usage
These threaded inserts excel in a variety of real‑world scenarios. In automotive repair shops, technicians use them to restore stripped threads on engine blocks, transmission housings, and suspension components, ensuring a reliable fastener interface that can withstand high loads. In the aerospace sector, maintenance crews rely on the inserts to reinforce lightweight alloy structures where weight savings are critical but strength cannot be compromised. Hobbyists and DIY enthusiasts appreciate the ease of installation when building custom fixtures, repairing furniture, or assembling prototypes. The inserts are also valuable in industrial settings for securing equipment panels, mounting brackets, and electrical enclosures, where a durable, repeatable fastening solution is essential. Because they can be installed with standard drills and taps, there is no need for costly, specialized tooling, reducing downtime and overall project cost.
Why Choose Us
Choosing the E‑Z LOK Threaded Insert means selecting a product backed by decades of engineering expertise and a reputation for quality. Each insert undergoes rigorous testing to meet or exceed industry standards for tensile strength, shear resistance, and corrosion protection. The carbon‑steel construction is heat‑treated to achieve a hardness that resists wear while maintaining enough ductility to avoid cracking during installation. Our manufacturing process includes tight tolerance control, guaranteeing that every thread engages smoothly with standard taps and tools, eliminating the frustration of cross‑threading or misalignment. Additionally, we provide comprehensive technical support, offering installation guides, troubleshooting tips, and direct access to our engineering team for custom applications. With a proven track record reflected in a 4.6‑star rating from verified customers, you can trust that these inserts will perform reliably in even the most demanding environments.
Key Features
- Solid carbon‑steel construction delivers superior strength and long‑term durability.
- Self‑locking design provides a secure hold that resists vibration and loosening.
- Standard 5/16‑24 internal and 1/2‑13 external threads fit a wide range of fasteners.
- Easy installation with common drills, taps, and hand tools—no special equipment required.
- Responsive customer support and detailed installation resources ensure successful application.
FAQ
Can these inserts be used in hardened steel?
While the inserts are optimized for soft metals such as aluminum, cast iron, and magnesium, they can be used in hardened steel if a pre‑drilled pilot hole is provided and the appropriate tap size is selected. However, for maximum holding power, we recommend using them in the intended soft‑metal applications.
Do I need a special tool to install the insert?
No special tool is required. The insert can be driven in with a standard screwdriver, a jam nut, or the optional E‑Z LOK drive tool. The design allows you to tap the hole with a conventional tap and then turn the insert by hand.
What is the recommended torque for the external thread?
We recommend a torque range of 5‑7 Nm for the 1/2‑13 external thread when using a standard bolt or jam nut. This ensures a firm connection without over‑compressing the insert.
Are the inserts corrosion‑resistant?
The carbon‑steel material is treated with a protective coating that offers resistance to rust and corrosion in typical indoor and outdoor environments. For highly corrosive settings, a secondary coating or stainless‑steel variant may be considered.
Can I reuse the insert after removal?
Yes, the self‑locking design allows the insert to be removed and reinstalled multiple times without significant loss of thread integrity, making it a cost‑effective solution for maintenance and repair tasks.





Reviews
There are no reviews yet.