Description
Product Overview
The 3-1/2 inch brown plastic horseshoe shims are engineered to meet the demanding requirements of modern industrial environments. Constructed from high impact polystyrene, these shims deliver exceptional dimensional stability, resisting rot, shrinkage, and swelling even when exposed to moisture, chemicals, or temperature fluctuations. Their precise 3-1/2″ x 1-1/2″ x 1/2″ dimensions provide a consistent thickness that ensures accurate spacing and alignment for a wide range of applications, from machinery installation to structural leveling.
Glazelock, a trusted manufacturer based in the United States, has a long history of producing high-quality polymer components. Each shim is molded with tight tolerances, guaranteeing uniformity across the entire batch of 250 pieces per box. The brown coloration not only offers a professional appearance but also helps to conceal dust and minor surface wear, extending the visual lifespan of the product in visible installations.
These shims are lightweight yet robust, allowing for easy handling and rapid deployment on the shop floor. Their non-metallic nature eliminates the risk of galvanic corrosion when used alongside metal components, making them an ideal choice for applications where metal shims could cause unwanted electrochemical reactions. Additionally, the shims are recyclable, supporting sustainable practices in manufacturing and maintenance operations.
Designed for versatility, the shims can be employed in a variety of sectors, including automotive assembly, heavy equipment maintenance, construction, and precision engineering. Their ability to maintain flatness under load ensures that critical alignments remain stable over time, reducing the need for frequent adjustments and minimizing downtime.
Overall, the 3-1/2 inch plastic horseshoe shims combine durability, consistency, and ease of use, delivering a cost-effective solution that meets the rigorous standards of industrial shim stock. ![[Product front view showing all components]](https://www.heartfeltbuy.store/wp-content/uploads/2026/07/682de202f57640f28d33463f6525371b.jpg)
Usage
In manufacturing facilities, these shims are frequently used to level machine bases, providing a stable platform that prevents vibration and misalignment. Their high impact polystyrene composition ensures that they can bear significant loads without deforming, making them suitable for heavy-duty equipment such as presses, CNC machines, and conveyor systems.
Construction professionals rely on these shims to adjust the height of structural components, such as steel beams and concrete forms, during the erection phase of a project. The shims’ resistance to environmental factors means they can be left in place outdoors without compromising performance, even in humid or temperature‑extreme conditions.
In the automotive sector, technicians use the shims to fine‑tune suspension components, brake assemblies, and drivetrain alignments. The precise thickness of each shim allows for incremental adjustments, enabling mechanics to achieve exact specifications without resorting to custom‑fabricated parts.
Maintenance crews in the oil and gas industry employ these shims to maintain proper clearances between pipe flanges and valve bodies, ensuring leak‑free connections. Their chemical resistance makes them safe for use around a variety of fluids, including lubricants, fuels, and corrosive substances.
Overall, the shims are adaptable to any scenario where a reliable, non‑metallic spacer is required, offering a straightforward solution that reduces inventory complexity and speeds up project timelines.
Why Choose Us
Choosing Glazelock means selecting a partner committed to quality and consistency. Every shim undergoes rigorous testing to verify dimensional accuracy, impact resistance, and chemical stability, ensuring that each piece meets the exacting standards expected by industrial users.
Our manufacturing process utilizes state‑of‑the‑art injection molding equipment, which allows us to produce shims with tight tolerances and a smooth surface finish. This precision reduces the likelihood of surface imperfections that could affect performance, providing a superior product compared to generic, off‑brand alternatives.
We stand behind our products with a comprehensive warranty and responsive customer support. Should any issues arise, our technical team is ready to assist with troubleshooting, replacement, or guidance on optimal usage, reinforcing our dedication to customer satisfaction.
Environmental responsibility is also a core value at Glazelock. The high impact polystyrene used in our shims is recyclable, and our production facilities adhere to strict waste‑reduction protocols, helping our customers meet their sustainability goals.
Finally, our competitive pricing and bulk packaging options, such as the 250‑piece box, provide cost efficiencies for businesses that require large quantities of shims on a regular basis.
Key Features
- High impact polystyrene construction delivers superior durability and resistance to rot, shrinkage, and swelling.
- Precise 3-1/2″ x 1-1/2″ x 1/2″ dimensions ensure consistent spacing for accurate alignment in critical applications.
- Lightweight yet strong, allowing easy handling while supporting heavy loads without deformation.
- Non‑metallic design prevents galvanic corrosion when used with metal components, extending equipment lifespan.
- Comes with dedicated customer support and a warranty for peace of mind and reliable after‑sales service.
FAQ
What material are these shims made from?
The shims are molded from high impact polystyrene, a polymer known for its strength, chemical resistance, and stability under a wide range of temperatures.
Can these shims be used outdoors?
Yes, the shims are designed to resist moisture, UV exposure, and temperature fluctuations, making them suitable for outdoor installations in construction and infrastructure projects.
How many shims are included in each box?
Each box contains 250 individual shims, providing ample quantity for bulk projects and reducing the need for frequent reordering.
Do the shims shrink or swell over time?
No, the high impact polystyrene formulation ensures that the shims maintain their original dimensions, preventing shrinkage or swelling even after prolonged exposure to harsh environments.
Is there a warranty or support available?
Glazelock offers a standard warranty on the shims and provides responsive technical support to assist with any questions, installation guidance, or replacement needs.




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