What Are Guide Pins?
Guide pins, also known as mold guide pins or stamping mold guide pins, are precision components used to align the moving plates in your stamping and injection molds. Their primary function is to ensure precise, repeatable positioning during mold opening and closing cycles, thereby reducing wear on your molds and preventing misalignment.
Compared to standard locating pins, guide pins are specifically engineered for mold systems, featuring high precision, repeatable cycles, and stable guidance.
You may contact us for specifications & lead time.
Types of Guide Pins by Application
Guide pins are core components for precision motion in molds, primarily categorized into stripper guide pins and mold guide pins. They are widely used in injection molding and various mold applications.
Stripper Guide PinStripper guide pins are used in stamping dies to guide the ejection plate during punch retraction. They help maintain vertical alignment between upper and lower dies, reduce lateral loads on the punch, and extend die life.
Guide Pins Injection MoldingIn injection molding, the guide pins ensure precise alignment between the core and cavity mold halves. They play a vital role in preventing uneven wear and part defects.
Mold Guide PinsMold guide pins are widely used in various molds, including plastic molds, die casting molds, and progressive dies. They are the core components of the mold positioning system.
The Advantage of HTX Guide Pins
Guide pins serve as the core positioning components in molds, with their precision, wear resistance, and reliability directly determining mold performance.

The surface undergoes precision grinding treatment, achieving high smoothness that effectively reduces the friction coefficient. This ensures smooth operation during use and enables precise guidance.

Manufactured from premium alloy materials and treated with hardening processes, these guide pins exhibit outstanding wear resistance, capable of withstanding frequent repetitive movements.

A unique physical structure design ensures effective resistance to deformation and maintains stable positioning accuracy even under mold misalignment or impact loads.

We offer non-standard customization services for different lengths, diameters, and materials based on your mold drawings, ensuring perfect compatibility with your mold.
Materials & Surface Treatment of HTX Guide Pins
Guide pins are typically precision-manufactured from high-quality alloy steel, undergoing special heat treatment and surface treatment to ensure excellent wear resistance and surface hardness.
Depending on the actual working conditions of your mold, you can choose from our different configuration options: from standard hardened guide shafts to high precision versions with ground surfaces, and even with optional reinforced surface coatings. These processes significantly improve the durability of the guide pins, effectively extending the mold’s service life and providing reliable and long-lasting positioning and guidance for your mold.


How to Choose the Right Guide Pins?
The most important thing is to consider the functional requirements, not just the size.
You need to consider the mold type (stamping mold or injection mold), the required positioning accuracy, operating cycle, and load conditions, and the matching guide bushing type.
The right choice means higher fitting accuracy, longer service life, and more stable production efficiency.
You may kindly contact us if you have any problem choosing the guide pins.
Guide pins are used for continuous alignment and guidance during repeated cycles, while locating pins are only used for initial positioning.
In most of the mold applications, guide pins need to be used with the guide bushings to ensure precision and reduce wear.
Material quality, surface treatment, lubrication methods, and the matching tolerance with the guide bushing all impact their lifespan.



