Magnetic Lock MLKC
Features: Compared with other clamping buckles, it is easier to install and requires less speed reduction during mold clamping, thus shortening the molding cycle.
Superior performance in plastic injection molding begins with high-grade Injection Mold Components. We understand that downtime is the enemy of profitability, which is why our mold parts are engineered for extreme thermal stability and minimal friction. From ejector systems to cooling components, we provide the building blocks for high-cycle production.

Plastic mold components (Injection Mold Components)are specialized parts used in plastic injection molding. They shape and form molten plastic into desired shapes. Examples include cavity inserts, sprue bushings, ejector pins, gate systems, cooling channels, and more. These components ensure accurate, consistent, and high-quality plastic parts.

Features: Compared with other clamping buckles, it is easier to install and requires less speed reduction during mold clamping, thus shortening the molding cycle.


Economical nitrided ejector sleeves in SKD61 steel. General-purpose solution for standard ejection applications.

Oil-free slide units for loose core applications are essential components used in mold and die setups to facilitate smooth movement and precise control of loose cores during the molding process. These units offer a unique advantage of operating without the need for additional lubrication, making them ideal for environments where oil contamination is a concern….

Oil-Free Slide Units for Loose Core: Precision in Core Movements In the realm of precision mold-making, Oil-Free Slide Units for Loose Core emerge as a game-changing solution, offering seamless and accurate movements for loose cores in both vertical and horizontal directions. These units redefine precision by minimizing clearances and maximizing accuracy in every movement. Reimagining…

What is Parting lock sets ? Parting lock sets are vital components used in various industries to ensure precise alignment and secure positioning of molds and dies. These sets consist of components such as locks, pins, bushings, and springs, working together to maintain the integrity of mold halves during the molding or casting process. Parting…

Parting locks, also known as mold locks or mold separation locks, are essential components in mold and die applications. They play a crucial role in ensuring the proper separation of mold halves or sections after the molding process is complete. Parting locks enhance the efficiency, safety, and overall quality of molding operations. Key Features: Precise…

What is Positioning & Guide Components? Positioning and guide components are essential elements in molding processes, used to ensure accurate alignment and movement of mold components. They contribute to precise part formation and consistent quality. Gunri offers high-precision positioning and guide components crafted for accurate mold assembly and part ejection. Our components enhance mold stability…

High-performance Ejector Sleeves (Camisas de Extração) designed for reliable part ejection in multi-component molds. Perfectly matched with our center pins for seamless operation.
Material: SKD61 / H13
Hardness: Surface 900-1100 HV
Standard: DIN 1530-D / JIS



What is Rectangular Ejector Pins ? Rectangular ejector pins are essential components in molding and casting processes, designed specifically to eject parts with flat or rectangular surfaces from molds. They play a critical role in ensuring efficient part ejection. Gunri specializes in providing high-quality rectangular ejector pins that are meticulously crafted for precise part ejection….

Helical Spindle Z1500: Available in left-handed and right-handed versions, choose matching Rifle and Rifle sets to avoid installation issues.

Enhance Mold Opening and Closing with Roller Lock Sets – Normal and Slim Bushings Introducing our innovative Roller Lock Sets, available in both Normal and Slim Bushing configurations, designed to optimize mold opening and closing operations. These sets are equipped with advanced mechanisms, including belleville springs, internal rollers, and lock rollers, ensuring precise and well-balanced…

What is Runner & Gate Components? Runner and gate components are crucial elements in injection molding systems, responsible for guiding the flow of molten material into the mold cavity. They play a pivotal role in ensuring successful part formation. Gunri specializes in providing reliable runner and gate components designed for efficient material flow and optimal…

Pull Pin: Shortens cooling time of the flow channel and prevents mold release.
Our pins and bushings undergo specialized vacuum nitriding to achieve a hard outer shell, preventing galling and seizure under high-temperature continuous operation.
By utilizing premium heat-work steels and copper alloys, our components facilitate faster cooling rates, potentially reducing injection cycle times by up to 20%.
Manufactured on high-precision CNC grinders, our components follow strict DIN, ISO, and JIS standards, ensuring 100% fit-and-play during mold maintenance.
We offer customized heat treatment reports and material certifications, matching the specific resin requirements of your project (e.g., abrasive or corrosive plastics).
Send us your BOM or technical drawings for a detailed quotation and expert material advice within 12 hours.
Medical & Healthcare: High-precision components for cleanroom-grade syringe molds and diagnostic device housings.
Consumer Electronics: Critical parts for thin-wall molding of smartphone frames and micro-connectors.
High-Speed Packaging: Durable ejector and venting solutions for multi-cavity bottle cap and thin-wall container molds.
A: We provide specialized venting pins and porous metal inserts that allow gas to escape while preventing flash, significantly reducing gas burn defects in plastic parts.
A: Yes, we specialize in non-standard components. We can process STP, STEP, or IGS files and maintain tolerances as tight as 0.002mm for custom cores and cavities.
A: We suggest regular inspection of lubrication channels. For cleanroom applications, we provide DLC-coated or self-lubricating graphite components that operate without oil to prevent product contamination.