O-Rings
ISO 17025 accredited lab certified

ISO 17025 Accredited Lab

1.78mm O-Rings Nitrile Viton Rubber Seals

Precision engineered 1.78mm O-rings in Nitrile and Viton rubber materials for critical sealing applications. These high-performance seals offer superior chemical resistance and durability across automotive, aerospace, oil & gas, and industrial sectors with comprehensive size ranges.

Our Range of Products

O-Rings

O-Rings

  • Full Standard Series Coverage
  • Premium Elastomer Materials
  • Wide Size Range 0.5-1600mm

Frequently Asked Questions

What size is a No 8.5 O-ring?

A No. 8.5 O-ring in the AS 568 standard has a cross-section (CS) of 1.78mm, making it directly relevant to the 1.78mm O-ring series. This cross-section size is a common standard dimension used across hydraulic, pneumatic, and industrial sealing applications.

What materials are available for 1.78mm O-rings?

Which industry standards do 1.78mm O-rings meet?

What industries are 1.78mm O-rings suitable for?

What is the difference between Nitrile and Viton O-rings for a 1.78mm application?

Can I get custom surface treatments on 1.78mm O-rings?

What quality testing and certifications back these 1.78mm O-rings?

How quickly can I receive 1.78mm O-rings, and is technical support available?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Oil & Gas

Oil & Gas

Critical sealing solutions for high-pressure applications in drilling, refining, and processing equipment.

Aerospace

Aerospace

High-performance O-rings meeting stringent aerospace standards for aircraft and space applications.

Automotive

Automotive

Reliable sealing solutions for engines, transmissions, and hydraulic systems in automotive applications.

Healthcare

Healthcare

Biocompatible O-rings for medical equipment and devices requiring sterile, safe sealing solutions.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

You might also like

Why Industrial Engineers Choose Detroit Sealing Components

Decades of Sealing Expertise

Leveraging decades of precision molded rubber industry experience with skilled technical staff for innovative sealing solutions.

ISO 17025 Accredited Quality

State-of-the-art laboratory capabilities with ISO 17025 accreditation for material development, testing, and quality assurance.

Swift Cost-Effective Delivery

Strategic location near high-traffic shipping lanes enabling exceptional efficiency and value in nationwide distribution.

Request Your Custom O-Ring Quote Today

Get expert guidance on material selection and sizing. Our technical team will respond with pricing and specifications within 24 hours.

Contact Us Today

For immediate assistance, feel free to give us a direct call at +1 313-887-4695 You can also send us a quick email at