High-Performance O-Rings · NH O-RING
The High-Performance Supplier of O-Rings
Over 200,000 O-ring sizes in stock, including over 5,000 FFKM O-rings. No minimum order quantities, no tooling costs.
Specialist in O-rings made from high-performance materials: FFKM (our own brand, ECOLAST®), FKM, FEP-coated, and PTFE. Fast, technically sound, and reliable.
What our customers say
★★★★★
Desired supplier found
The kind of business partner you could only hope for. Competent, reliable, and helpful.
Marcel Z.
★★★★★
Advice to the point
Fast and professional service, quotes, and delivery. I highly recommend them.
Martin N.
★★★★★
Lightning-fast processing
From order to delivery in less than five business days—and that's with standard shipping.
Thomas R.
★★★★★
Perfect order processing
Simply perfect service. A very attentive sales team. I’d definitely come back.
Timo C.
★★★★★
Top quality and speed
Quick response times, fast delivery, top quality.
Marcel G.
★★★★★
Simply strong
It couldn't have gone much better. Professional, fast, and hassle-free. Thank you very much.
Alexander F.
★★★★★
Expertise and friendliness
Extremely knowledgeable and very friendly. The advice and collaboration couldn't be better.
Anja K.
★★★★★
Lightning-fast and reliable
Perfect, competent service and advice, reliable delivery at lightning speed.
Ingo W.
★★★★★
Desired supplier found
The kind of business partner you could only hope for. Competent, reliable, and helpful.
Marcel Z.
★★★★★
Advice to the point
Fast and professional service, quotes, and delivery. I highly recommend them.
Martin N.
★★★★★
Lightning-fast processing
From order to delivery in less than five business days—and that's with standard shipping.
Thomas R.
★★★★★
Perfect order processing
Simply perfect service. A very attentive sales team. I’d definitely come back.
Timo C.
★★★★★
Top quality and speed
Quick response times, fast delivery, top quality.
Marcel G.
★★★★★
Simply strong
It couldn't have gone much better. Professional, fast, and hassle-free. Thank you very much.
Alexander F.
★★★★★
Expertise and friendliness
Extremely knowledgeable and very friendly. The advice and collaboration couldn't be better.
Anja K.
★★★★★
Lightning-fast and reliable
Perfect, competent service and advice, reliable delivery at lightning speed.
Ingo W.
Our O-ring range
FFKM
ECOLAST®−40/+340 °C
Perfluoroelastomer—the top-of-the-line material for O-rings. Virtually universally resistant, suitable for food and pharmaceutical applications, with many items in stock.
About ECOLAST FFKM →FKM
−30/+225 °C
Fluorinated rubber for standard and FDA applications. Resistant to oils, fuels, and many chemicals.
About FKM O-rings →FEP
FEP-coated O-rings with an FKM or silicone core. Virtually universally resistant, FDA-approved, for aggressive media.
About FEP O-rings →PTFE
Solid-material O-rings, chemically inert and ultra-pure. FDA-approved, for aggressive media and the highest purity.
About PTFE O-rings →Product Catalog Flyer (PDF)
All materials and availability at a glance.
One company, one product, one team
Our Mission
We make high-performance O-rings easily available: over 200,000 sizes in stock, with no minimum order quantities. Fast, technically sound, and reliable.
Eugen Schuch · Customer Service
The academy for O-rings

Interpretation
10 questions: O-ring data sheets
The Top 10 Questions About How to Properly Interpret O-Ring Data Sheets, Explained Simply.
Learn more →

Interpretation
10 questions: O-ring grooves
The Top 10 Questions About Proper O-Ring Groove Design, Explained Simply.
Learn more →

Storage
10 questions: O-ring bearing
The Top 10 Questions About Proper O-Ring Storage, Explained Simply.
Learn more →
O-Ring Tools
O-ring tables
Look up standard sizes and dimensions.
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O-ring resistance
Check the media resistance for each material.
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O-ring groove calculation
Ensure that the installation space and groove are properly dimensioned.
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O-ring tolerances
Read the tolerances according to ISO 3601.
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O-ring lexicon
Terms and basics explained in an easy-to-understand way.
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O-Ring Data Sheets
Technical data sheets for all materials.
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Over 200,000 O-rings.
Available from stock.
Available from stock.
Become a customer and gain access to high-performance O-rings in stock: no minimum order quantities, no tooling costs, and personalized expert advice.
Over 200,000 O-ring sizes in stock
Of these, over 5,000 FFKM sizes are in stock
No minimum order quantities and no tooling costs
Expert advice and service in 30 minutes
5.0/5★★★★★Google · 50+4.8/5★★★★★ProvenExpert · 613