Square Cut Rings

Our Company

About Us

Corporate Responsibility

Markets We Serve

Careers

About Us

Learn more about Hi-Tech Seals, our core values, and our commitment to delivering effective sealing solutions to our customers.

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Corporate Responsibility

Our commitment to our Code of Conduct, ethical standards, and responsible sourcing practices guide our operations.

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Markets We Serve

With decades of experience, technical expertise, and in-house capabilities, we deliver sealing solutions tailored to customer applications across diverse markets.

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Careers

Join us and be part of a collaborative team that supports your growth and values your contributions.

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Our Brands

WolCar™ Carbide

KasPex™ PEEK

TechCera™ Ceramic

BoKure™ Urethane

BoKure™ GHOST

AraLite™ Compressed Sheet

RyFlor™ ePTFE

Super Hi-Glyde O-Ring Lubricant

WolCar™ Carbide

Superior-performing cemented tungsten carbide materials offering extreme toughness, hardness, and exceptional wear resistance for high-stress environments. WolCar™ can be manufactured into virtually any shape and size to suit specific applications. 

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KasPex™ PEEK

High-performance thermoplastic PEEK materials designed for demanding applications that require outstanding mechanical strength and chemical resistance, even at high temperatures. They enhance the performance and reliability of machined parts in countless applications across numerous markets and industries.  

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TechCera™ Ceramic

Advanced lightweight ceramic materials with excellent mechanical properties and extreme hardness. TechCera™ provides outstanding resistance to chemicals, corrosion, wear, and abrasion, making it ideal for manufacturing precision components that can withstand extreme environments.

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BoKure™ Urethane

High-quality urethane materials that help enhance product longevity and maximize equipment runtime. BoKure™ Urethane is an excellent alternative to rubber, plastic, and metal components, especially in applications where wear and corrosion are a concern.  

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BoKure™ GHOST

Degradable elastomer compound formulated to withstand harsh, corrosive downhole oil and gas environments, including aqueous brine conditions. GHOST breaks down into non-binding, non-clogging particles that do not require recovery, eliminating the need for them to be drilled out.

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AraLite™ Compressed Sheet

General-purpose gasket material with high-strength aramid and inorganic fibres reinforced with a nitrile binder. AraLite™ offers outstanding thermal, mechanical, and chemical properties along with high compressibility that enables a tight seal even on irregular surfaces. 

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RyFlor™ ePTFE

Critical service gasket material made from ePTFE that does not degrade or deteriorate even in aggressive chemical and extreme temperature conditions. RyFlor™ has proven success in sealing flanges in demanding environments where leakage could result in serious hazards, supporting safety and reliable operations.  

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Super Hi-Glyde O-Ring Lubricant

FDA-compliant silicone-based lubricant that helps protect seals and speed up the installation process. Super Hi-Glyde™ has high resistance to wear, pressure, rust, and corrosion. It helps protect O-rings and seals from ozone degradation, cracking, abrasion, cutting, and pinching. 

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Products

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Seals

Gaskets

Metal Components

Custom Moulded

Lubricants

Tools & Accessories

Seals

Choose from our wide range of high-performance sealing products engineered for reliability across diverse applications and industries. Available in various profiles, sizes, and materials to meet specific requirements.

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Gaskets

We provide high-quality gasket solutions engineered for reliable sealing in diverse applications and environments, complemented by a selection of related accessories.

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Metal Components

Our range of precision-engineered metal components delivers superior resilience to meet the demands of the most challenging applications.

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Custom Moulded

Explore Our Custom Moulded

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Lubricants

Formulated to reduce friction, wear, corrosion, and facilitate ease of assembly and disassembly, our specialty lubricants help increase the performance and extend the service life of components and equipment.

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Tools & Accessories

Complementing our offerings is a selection of tools and accessories to support your operational requirements.

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Featured Product

Specialty lubricants designed for enhanced component and equipment performance and longevity.

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Specialty lubricants designed for enhanced component and equipment performance and longevity.

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Manufacturing

Rapid Seal Machining

Rapid Gasket Machining

Cast Urethane Manufacturing

Spliced & Vulcanized O-Rings

Custom Moulded Products

Rubber Extrusions

Rapid Seal Machining

Our Rapid Seal machining team can draft, design, and machine standard, replacement, or prototype components. We can also modify standard profile designs to optimize seal performance when necessary. With industry-leading turnaround times, Rapid Seal helps keep projects on track.

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Rapid Gasket Machining

Rapid Gasket delivers precision-cut gaskets for both standard and custom requirements. Using advanced knife-cutting technology, we produce gaskets ranging from simple to complex designs in a variety of materials and thicknesses.

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Cast Urethane Manufacturing

We manufacture cast urethane products for applications across a wide range of industries. Our team of cast urethane specialists can assist with the design, development, and production of both simple and complex components using our BoKure™ family of urethane compounds.

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Spliced & Vulcanized O-Rings

Our Spliced & Vulcanized O-Rings are a preferred choice for static applications, offering an ideal solution for customers with unique size requirements or those needing small quantities without long lead times.

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Custom Moulded Products

We specialize in custom-moulded solutions for diverse applications, creating high-performance products through a collaborative process from design to production. With our experience and capabilities, we deliver high-quality parts tailored to specific requirements.

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Rubber Extrusions

Hi-Tech Seals offers a range of standard and custom extruded rubber profiles. We work with customers to deliver the profile configuration and material combination that best meets the demands of the application.

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Services

Kit Creation Programs

Custom Labels

Laser Engraving

PTFE Colour Coating

Vendor Management Inventory

Seal Analysis Lab

Kit Creation Programs

We build custom kits by consolidating components or parts required for an application into a single, convenient kit. This streamlined solution simplifies your ordering process, improves inventory management, and reduces time and effort during final assembly or installation.

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Custom Labels

Our custom labeling service reduces time and cost of relabeling, makes reordering easier, and increases brand visibility.

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Laser Engraving

Laser engraving adds identification marks to rubber, plastic, and metal parts. These marks improve product identification, enhance traceability, strengthen branding, and make reordering easier.

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PTFE Colour Coating

Customers ask to have their PTFE O-Rings coloured for quick and easy identification once the O-rings have been installed into their application to see differences between sizes and or materials.

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Vendor Management Inventory

The VMI program maintains optimal inventory levels through regular checks, a min/max system, and timely replenishment. This reduces safety stock requirements, eliminates usage logging and manual checks, and saves procurement time.

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Seal Analysis Lab

The Seal Analysis Lab combines advanced inspection, material identification, failure analysis, and other specialized testing. Using state-of-the-art equipment, our team ensures seals meet specifications, determines causes of failure, and supports our high standards in quality control.

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News & Events

Events

Blogs

Case Studies

Events

Explore past highlights and upcoming company, industry, and tradeshow events.

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Blogs

Learn more Hi-Tech Seals’ product and service information, helpful tips, and trusted industry insights.

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Case Studies

Proven examples showcasing how we delivered expert solutions tailored to unique application requirements.

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Resources

Seal Catalogue

Literature

Chemical Compatibility

Material Summary Guide

Seal Catalogue

Browse our latest Seal Catalogue for a technical overview of our seals and related products, complete with product specifications, material options, and usage recommendations to support your application requirements .

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Literature

Access our library of brochures, catalogues, product and material literature, and industry-specific solutions.

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Chemical Compatibility

Evaluate the compatibility of your material with different chemical environments using our Chemical Compatibility reference.

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Material Summary Guide

Use our Material Summary Guide to learn more about key material properties and their compatibility with various media.

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Download O-Ring Literature - Imperial

Download O-Ring Literature - Metric

Download O-Ring Design Guide

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Back to all O-Rings

Square cut rings have the same ID as an O-ring but have different cross sections.

See our O-Ring literature (Imperial) and the O-Ring Design Guide for more reference.

Square Cut Rings	Actual Cross Section
000 Series	0.066
100 Series	0.099
200 Series	0.203
400 Series	0.266

Back To O-Rings

Let’s Talk About Your Requirements

The better we understand your needs, the better we can support you in achieving goals. Connect with us to discuss projects, share challenges, and explore the right products, materials, and services.

Square Cut Rings

Let’s Talk About Your Requirements

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