Main Products

We promise to find you the right products.

Material Options

Adhesive

Zinc Plating

Titanium

Phosphor Bronze

Nitronic 60

Inconel X-750

Carbon Steel

AISI 316

AISI 304

AISI 303

About Our Company

Locking Inserts Technologies Co., Ltd. is a Shenzhen-based manufacturer specializing in thread inserts and comprehensive thread repair solutions, founded in 2009. Our business began with the produce and sales of wire thread inserts (Helicoil), establishing a strong reputation for reliable performance, high quality, and durable solutions.
In 2011, responding to market demand, we expanded into Key Locking Inserts (Keenserts), and began producing standard stock items that comply with international standards such as ISO Metric, UNC, UNF and MS series. Building on our extensive experience and rigorous ISO9001:2015 quality management, we now offer custom manufacturing capabilities, delivering products precisely according to customer specifications and engineering drawings.
We offer a complete range of wire thread inserts, key locking inserts, and self-tapping inserts, widely used in automotive, aerospace, and industrial applications. With stable quality control and efficient global supply, we are committed to delivering reliable products and responsive service to customers worldwide.

Why Choose Us

With over 17 years of manufacturing experience, we deliver reliable thread insert solutions trusted by global industrial customers.

Flexible Customization

From standard sizes to fully customized designs, we provide fast and cost-effective solutions tailored to your application.
Strong Production Capacity

Monthly output exceeds 1,000,000 pieces, ensuring stable supply for both bulk orders and urgent demands.
Global Logistics Support

We support EXW, FOB, CIF, DAP and other international trade terms, with efficient worldwide shipping experience.
Reliable Quality Assurance

Premium raw materials and strict quality control processes ensure consistent performance and durability.
Fast Delivery & Ready Stock

Extensive stock of standard thread inserts enables fast delivery and reduced waiting time for global customers.

Ready Stock & Custom Thread Insert Solutions

We provide fast delivery from stock and fully customized non-standard thread insert solutions.

Ready Stock Service

We maintain a large inventory of standard thread inserts to ensure fast delivery and stable supply for global customers.

Fast Global Delivery
Immediate Shipment
Wide Size Range
Stable Inventory

Order From Stock Now

Custom Non-Standard Manufacturing

We provide flexible customization and precision manufacturing for special thread insert requirements based on requirement or use Case.

Technical Communication
Drawing & Sample Support
Material & Size Customization
Precision Manufacturing

Start Custom Project

Application Areas

Where Thread Failure Is Not an Option — delivering strong, durable, and reliable threaded connections for critical applications.

Industrial Machinery
Oil & Gas Equipment
Aerospace
Automotive
Rail Transportation Systems
Heavy Machinery and Industrial Equipment

What Our Customers Said

With over ten years of experience, we have established a good reputation in various industries worldwide.

David Miller, Aerospace Manufacturing Engineer (Aerospace Industry, Poland)

“We use thread inserts in high-vibration assemblies, and reliability is critical. The inserts performed exceptionally well in aluminum housings. Installation was consistent, and pull-out strength exceeded our expectations. Zero failures in testing.”

Maria Gonzalez, Automotive Production Supervisor (Automotive Parts Manufacturing, Mexico)

“We switched to these thread inserts for engine component repairs. They significantly improved rework efficiency and reduced thread stripping issues on the line. Installation is fast, and training new operators is simple.”

Kevin Thompson, Industrial Maintenance Manager (Heavy Machinery Industry, USA)

“These inserts saved us a lot of downtime. We repair worn threads on equipment frames instead of replacing parts. Strong, durable, and very reliable even under heavy load and vibration.”

Sophie Chen, Electronics Product Design Engineer (Consumer Electronics, Taiwan)

“We needed a compact and reliable threading solution for aluminum enclosures. The inserts provided excellent thread reinforcement without affecting design constraints. Great consistency in small-scale precision parts.”

Ahmed Al-Rashid, Oil & Gas Equipment Procurement Specialist (Oil & Gas Industry, UAE)

“Thread reliability is critical in our environment. These inserts perform well under harsh conditions, including heat and corrosion exposure. Delivery and customization support were also very responsive.”

Latest News

Our news will be updated in time, please pay more attention to us.

Dec 20, 2025

How To Maintain Wire Thread Inserts

Wire thread inserts (also known as wire thread sleeves or threaded inserts) are precision components used t...

Dec 19, 2025

Material Requirements For Wire Thread Inserts

The material selection for wire thread inserts (also known as wire thread sleeves or threaded sheaths) need...

Dec 18, 2025

Threaded Insert Tool Precautions

Regarding the daily maintenance of "threaded insert tools," currently, publicly available information does ...

Dec 17, 2025

What Are The Main Components Of A Threaded Insert Tool?

Thread insert tools, generally referring to a specialized tool set used for installing threaded inserts (al...

Request A Free Consultation Or Quotation

Looking for a reliable supplier of thread repair solutions? Contact us today and let's discuss how we can meet your project needs.

Locking Inserts Technologies Co., Ltd.

We are always ready to help. Contact us via phone, email, or fill in the request form to get an extensive consultation from our expert team.

Email Us

sales@lockinginserts.com
Call Us

+86-15811847173

+86-16675148670
Address

205, 2/F, Bldg. A8, Zhizaogu Ind. Park, No.26 Xingye 5th Rd, Bao'an Dist., Shenzhen, Guangdong, China