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O-Ring Sizing Cone & Measuring Tape

O-ring sizing tools, including sizing cones and measuring tapes, provide precise, easy-to-use solutions for identifying the exact size of O-rings. These tools are essential for maintenance, repair, and quality control, ensuring that the correct O-ring size is selected for optimal sealing performance. Whether for replacement or inventory management, O-ring sizing tools are indispensable for technicians and engineers across various industries.


CanRez® FFKM and Kalrez® O-rings, gasket rapid manufacturing, & custom molded parts are available now!


Check with one of Canyon’s helpful product engineers for an expert material and manufacturing recommendation.

Rubber Grommet for insulation, protection, sealing

Features of O-Ring Sizing Cones and Measuring Tapes

O-Ring Sizing Cones:
  • Tapered Design: The cone features a tapered design with measurement markings that help determine the inner diameter and cross-sectional thickness by fitting the O-ring over the cone at the correct size marking.
  • Multiple Sizes: Sizing cones cover a range of standard O-ring sizes, making it easy to identify multiple dimensions with one tool.
  • Durable Material: Most cones are made from materials like metal or sturdy plastic, providing long-lasting durability.

O-Ring Measuring Tapes:
  • Flexible Material: Made from flexible, non-stretch tape, these tools measure the circumference or inner diameter of an O-ring accurately.
  • Easy-to-Read Markings: The tape includes clear markings for O-ring dimensions, allowing users to match sizes quickly and accurately.
  • Portability: Measuring tapes are compact and lightweight, making them easy to carry for on-site measurements.

Common Applications of O-Ring Sizing Cones and Measuring Tapes

Both sizing cones and measuring tapes are used in various applications to ensure accurate O-ring sizing and selection:
  • Maintenance and Repair: These tools help technicians quickly identify the right size O-ring for replacement during equipment servicing, minimizing downtime.
  • Quality Control and Inspection: In manufacturing environments, sizing tools verify that the O-rings used or supplied meet the specified dimensions for consistent performance.
  • Inventory Management: For warehouses and supply chains, sizing cones and measuring tapes ensure that O-rings are organized and labeled accurately, reducing errors and waste.
  • Field Service: In remote or on-site service applications, technicians rely on these portable tools to measure O-rings on the spot, ensuring they have the correct replacement parts for repairs.
  • Prototyping and Testing: During product development or testing, these tools are used to measure prototype O-rings to ensure dimensional accuracy before mass production.

Please consult a Canyon Components Engineer about your specific application and we will use our decades of experience to formulate a solution that fits your need.

Get a quote for custom and standard O-rings, Gaskets, rubber parts, plastic parts, and metal parts

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O-ring Materials

CanRez™ FFKM Perfluoroelastomer
CanRez™ FFKM Perfluoroelastomer

Extreme temperatures & chemicals require extreme solutions! ​CanRez™ FFKM materials offer extreme reliability where you need it most! Thousands of sizes in stock now!

CanGuard RFI & EMI Shielding Materials Canyon Components
CanGuard™ RFI & EMI Shielding Materials

CanGuard™ materials have been developed to offer superior sealing solutions with enhanced electromagnetic interference (EMI) shielding and radio frequency interference (RFI) shielding.

Kalrez Perfluoroelastomers Canyon Components
Kalrez® FFKM Perfluoroelastomer

Canyon Components offers Kalrez® Perfluoroelastomer (FFKM) O-rings, gaskets, & custom molded parts at competitive prices and with great lead-times.

Parker® O-rings
Parker® O-rings, Parofluor parts, parker FKM Viton

Canyon Components offers Parker Hannifin® O-rings, Gaskets, Perfluoroelastomer (FFKM) parts, & custom molded parts at competitive prices and with great lead-times.

Viton O-rings, gaskets, custom parts Canyon Components
FKM (Viton®, Fluorocarbon)

FKM compounds, O-rings, gaskets, & custom molded parts exhibit excellent mechanical attributes as well as excellent resistance to high temperatures, mineral oil, ozone, fuels, hydraulic fluids, and many other solvents and chemicals.

Aflas O-rings, Gaskets, Custom parts, Canyon Components
Aflas® (TFE/P)

TFE/P (Aflas) compounds, O-rings, gaskets, & custom molded parts gives high resistance to steam, hot water, atmospheric wear, and many chemicals. TFE/P compounds provide superior performance in water, steam and virtually all caustic chemicals.

Fluorosilicone O-rings, Gaskets, Custom parts, Canyon Components
Fluorosilicone (FVMQ)

The mechanical and physical properties of Fluorosilicone O-rings, gaskets, & custom molded parts are very similar to silicone. Fluorosilicone O-rings, gaskets, & custom molded parts offer improved flexibility and strength, better resistance to fuels and mineral oil, but reduced hot air resistance.

Silicone O-rings, Gaskets, Custom parts, Canyon Components
Silicone (VMQ, PVMQ)

Silicone seals, O-rings, gaskets, & custom molded parts are excellent for extreme temperatures in static applications. Canyon Components carries a range of silicone materials, and we are happy to custom tailor a seal to meet your application requirements!

EPDM  O-rings, Gaskets, Custom parts, Canyon Components
EPDM (Ethylene Propylene)

EPDM materials, O-rings, gaskets, & custom molded parts can operate over a wide temperature range, and are compatible with glycol fluids that cause problems for most typical elastomeric seals.

Nitrile  O-rings, Gaskets, Custom parts, Canyon Components
NBR (Nitrile, Buna-N)

Nitrile O-rings, gaskets, & custom molded parts are very oil-resistant, have strong mechanical properties, are resistant to wear, and are relatively inexpensive. These properties make Nitrile the most commonly used general purpose O-ring, gasket, & custom molded part material.

HNBR O-rings, Gaskets, Custom parts, Canyon Components
HNBR (Hydrogenated Nitrile)

Hydrogenated Nitrile O-rings, gaskets, & custom molded parts offer higher strength and reduced degradation at high temperatures compared to conventional Nitrile materials. These properties make HNBR materials popular in the oil and gas industry, as well as many applications in the chemical industry.

XNBR O-rings, Gaskets, Custom parts, Canyon Components
XNBR (Carboxylated Nitrile)

XNBR O-rings, gaskets, & custom molded parts are similar to Nitrile, but the backbone has been chemically modified with a Carboxylic Acid group. The resulting elastomer is a Nitrile rubber with outstanding abrasion and chemical resistance, superior to that of traditional Nitrile.

Neoprene O-rings, Gaskets, Custom parts, Canyon Components
Neoprene (CR)

Chloroprene was the first synthetic rubber, and was developed commercially under the name Neoprene®. Chloroprene rubbers, O-rings, gaskets, & custom molded parts contain Chlorine in the polymer to reduce the reactivity to many oxidizing agents, as well as to oil and flame.

Polyurethane O-rings, Gaskets, Custom parts, Canyon Components
Polyurethane (PU, AU)

Polyurethane O-rings, gaskets, & custom molded parts generally have two or three times greater tensile strength and wear resistance than Nitrile and comparable polymers. Polyurethane also provides excellent permeation resistance when compared to most rubbers.

Teflon Encapsulated O-rings, Gaskets, Custom parts, Canyon Components
PTFE Encapsulated

FEP and PFA encapsulated O-rings consist of an elastomeric core and a seamlessly closed casing of modified PTFE. The elastomer core of encapsulated O-rings is typically made of FKM (Viton) or VMQ (silicone) and guarantees a uniform pre-tensioning at the sealing point.

PTFE O-rings, Gaskets, Custom parts, Canyon Components
PTFE (Teflon)

The harshest environments require specialized solutions. Often times, a Canyon Components PTFE O-rings are used in harsh chemical environments. Polytetrafluoroethylene, commonly known as PTFE or Teflon®, is a high-performance fluoropolymer known for its exceptional chemical resistance, low friction, and non-stick properties.

Product Types

 O-rings, Gaskets, Custom parts, Canyon Components
Custom Parts

Here at Canyon Components, we make sure to offer our customers any manufacturing technique they desire. Whether your O-rings, gaskets, & custom molded parts be rubber, plastic, or metal, rest assured that Canyon Components can make it!

 O-rings, Gaskets, Custom parts, Canyon Components
Gaskets & Custom Cutting

Whether your custom cut parts be rubber, plastic, sponge, composite, or metal, rest assured that Canyon Components can make it! Canyon Components strives to meet all customer service requests. If you need something that isn't listed, feel free to contact a Canyon Components product and application consultant.

infinite O-rings, Continuously molded,  O-rings, Gaskets, Custom parts, Canyon Components
Infinite "Giant" Diameter O-Rings

By either Continuous Molding O-rings, or Splice & Vulcanizing O-rings, Canyon can provide mold-less, infinitely large O-rings at competitive prices!

UL Certified  O-rings, Gaskets, Custom parts, Canyon Components
Specialty Compliances

Canyon have materials available for O-rings, gaskets, & custom parts with compliances ranging from USP Class VI <87> & <88> for medical applications, to FDA CFR 21.177.2600 grades A through F for different food types, to the various drinking water specifications like KTW and NSF. Whether it's metal, rubber, or plastic, Canyon can meet your needs!

O-ring Sizing Cones and Measuring Tapes Pros & Cons

O-ring sizing cones and measuring tapes are essential tools for ensuring accurate O-ring measurements and proper fit. With easy-to-read markings, durable construction, and straightforward functionality, these tools are invaluable for technicians, engineers, and quality control professionals across a range of industries. While they may have limitations with worn O-rings or extremely large sizes, their advantages in precision, versatility, and cost-efficiency make them a key asset for any maintenance or quality control toolkit.


Canyon Components strives to meet all customer service requests. Feel free to contact Canyon Components engineering and let our knowledgeable staff help you design the perfect part for your needs.

Pros of O-Ring Sizing Cones and Measuring Tapes

These tools provide numerous benefits, making them essential in various settings:
  • Precision: Both sizing cones and measuring tapes offer precise measurements, reducing the risk of incorrect O-ring sizing, which can lead to leaks or equipment failure.
  • Ease of Use: These tools are user-friendly, allowing for quick and accurate measurements without requiring technical expertise.
  • Time-Saving: Sizing tools streamline the measurement process, making it easy to identify O-ring dimensions in seconds, ideal for fast-paced environments.
  • Cost-Efficiency: Using sizing tools reduces the chances of errors, saving on the cost of replacing improperly sized O-rings and minimizing equipment downtime.
  • Versatility: With a wide measurement range, sizing cones and tapes can handle various O-ring sizes, eliminating the need for multiple tools.

Cons of O-Ring Sizing Cones and Measuring Tapes

While these tools are highly effective, there are a few limitations to consider:
  • Limited Measurement Range: Although versatile, sizing cones have a limited range based on their taper, which may not accommodate very large or small O-rings, necessitating additional tools for out-of-range sizes.
  • Potential for Inaccuracy with Worn O-Rings: Measuring old or worn O-rings may lead to inaccurate results due to stretching or deformation, especially with flexible measuring tapes.
  • Dependence on User Precision: Proper technique is needed to ensure accurate measurements, particularly with measuring tapes where tension can affect results.
Unlock Superior Performance with Canrez FFKM O-Rings - Explore High-Quality Sealing Solutions for Demanding Industrial Applications. Ensure High Chemical Resistance, Extreme Temperatures & Leak-Free Seals. Your Trusted Source for Canrez FFKM O-Rings.

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