Key-locking Insert

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Key-locking Insert

Key-Locking Inserts are high-strength thread reinforcement components designed for superior durability. These inserts are typically precision-machined from high-quality stainless steel or carbon steel. The main body features a cylindrical design with both internal and external threads. Its most distinguishing characteristic is the inclusion of one or more "key-like" protrusions or tabs (commonly referred to as "locking keys") integrated at one end or specific positions along the insert.

Due to their exceptional reinforcement and locking capabilities, these inserts are widely utilized in industries with stringent requirements for thread reliability, such as aerospace, automotive manufacturing, mold making, mechanical engineering, electronics, and medical devices. They are particularly ideal for applications subjected to frequent disassembly, high vibration, or heavy load conditions.

  • Key-locking Insert
    A high-strength thread reinforcement component, typically made of precision-machined stainless steel or carbon steel. It...
Company Profile
Dongtai Jinzhize Metal Products Co., Ltd.
Dongtai Jinzhize Metal Products Co., Ltd.

Dongtai Jinzhize Metal Products Co., Ltd. is a specialized manufacturing facility dedicated to threaded connection products for the automotive and aerospace sectors. We primarily produce Helical Wire Inserts, Self-Tapping Inserts, Key Locking Inserts, Threaded Adapters, Oil Plugs, as well as matching installation taps and tools.

Established in 2015, the company operates from a 10,000-square-meter-owned manufacturing plant equipped with hundreds of machine tools and automated production systems. Through years of development, we have built an experienced team of design, development, and production specialists, complemented by a rigorous quality management system and comprehensive after-sales service mechanism.

Our products are widely utilized in the automotive industry (including engines and transmissions for both passenger and commercial vehicles), the aerospace industry, and rail vehicle manufacturing.

With an annual output value of 153 million RMB in 2024, we possess the capability for a large-scale, stable supply. We are committed to providing customers with highly consistent, traceable products and reliable service support.

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