O-Rings Finder
Search specification
Choose a material, then search by dimensions or BS reference.
Metric dimensions
ID + cross section
BS number
Direct lookup
Material *
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Viton® 75 Shore
FKM 75 Shore
Viton® 90 Shore
FKM 90 Shore
Nitrile 70 Shore
Nitrile 90 Shore
EPDM 70 Shore
HNBR 70 Shore
HNBR 90 Shore
Neoprene 70 Shore
PTFE
Silicone 70 Shore
Silicone 70 Shore FDA
Internal Diameter (mm) *
Cross Section (mm) *
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Smart matching:
If your metric size matches a BS code, we will automatically switch to the BS reference.
BS Size *
Enter the BS number without the prefix (use 5 for BS005)
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Common sizes:
BS005 (2.57 × 1.78), BS110 (9.19 × 2.62), BS210 (18.64 × 3.53), BS325 (37.47 × 5.33)
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