Metric O-ringsFind your exact size
Enter ID and cross-section (CS) in mm, compare available materials and pack sizes, then open the exact product to buy. Browse the full metric catalog below.
ISO 3601 · DIN 3771 metric sizes
DIN / ISO Metric O-Rings
Shop DIN / ISO metric O-rings by nominal inside diameter (ID), cross section (CS), material, and hardness. Metric listings are dimension-led, so verify the exact nominal size and applicable standard reference before ordering.
- Listings
- 1,823
- Size references
- ISO · DIN
- Units
- mm + in
Most-used metric sizes
Most-used metric sizes
- 6.00 × 1.50 mm 0.236 × 0.059 in 11 options View
- 8.00 × 2.00 mm 0.315 × 0.079 in 14 options View
- 10.00 × 2.00 mm 0.394 × 0.079 in 11 options View
- 12.00 × 2.00 mm 0.472 × 0.079 in 13 options View
- 14.00 × 2.00 mm 0.551 × 0.079 in 12 options View
- 15.00 × 2.00 mm 0.591 × 0.079 in 13 options View
- 16.00 × 2.00 mm 0.630 × 0.079 in 13 options View
- 18.00 × 2.00 mm 0.709 × 0.079 in 13 options View
- 20.00 × 2.00 mm 0.787 × 0.079 in 12 options View
- 20.00 × 2.50 mm 0.787 × 0.098 in 10 options View
- 20.00 × 3.00 mm 0.787 × 0.118 in 11 options View
- 25.00 × 2.50 mm 0.984 × 0.098 in 10 options View
- 25.00 × 3.00 mm 0.984 × 0.118 in 12 options View
- 30.00 × 3.00 mm 1.181 × 0.118 in 11 options View
- 40.00 × 3.00 mm 1.575 × 0.118 in 11 options View
- 50.00 × 3.00 mm 1.969 × 0.118 in 11 options View
All common sizes Nominal sizes. Confirm tolerances on your drawing.
Shop selected metric packs
Know your exact ID and CS? Compare these listed options and order directly. Check dimensions, material, and hardness before buying. Every other metric listing remains available below.
O-Ring 6.00 × 1.80 mm · NBR · 70AFrom $4.64 · View packsO-Ring 8.00 × 1.80 mm · NBR · 70AFrom $4.89 · View packsO-Ring 8.00 × 1.80 mm · FKM · 75AFrom $4.99 · View packsO-Ring 10.00 × 1.80 mm · NBR · 70AFrom $5.13 · View packsO-Ring 10.00 × 1.80 mm · FKM · 70AFrom $4.99 · View packsO-Ring 15.00 × 1.80 mm · NBR · 70AFrom $4.99 · View packs
All metric listings
| Size (ID × CS) | Material | Size ref. | Smallest pack | Status | Action |
|---|---|---|---|---|---|
| 22.40 × 2.65 mm0.882 × 0.104 in | NBR 70A | — | $4.99 / 10 pcs $0.50 / pc | Available to order | |
| 375.00 × 7.00 mm14.764 × 0.276 in | FFKM 75A | — | $6,187.91 / 10 pcs $618.79 / pc | Available to order | |
| 4.50 × 1.80 mm0.177 × 0.071 in | Silicone 70A | — | $4.99 / 10 pcs $0.50 / pc | Available to order | |
| 38.70 × 2.65 mm1.524 × 0.104 in | FKM 80A | — | $13.12 / 10 pcs $1.31 / pc | Available to order | |
| 16.00 × 1.80 mm0.630 × 0.071 in | FKM 80A | — | $4.99 / 10 pcs $0.50 / pc | Available to order | |
| 15.00 × 1.80 mm0.591 × 0.071 in | FKM 80A | — | $4.99 / 10 pcs $0.50 / pc | Available to order | |
| 6.30 × 1.80 mm0.248 × 0.071 in | FKM 90A | — | $4.99 / 10 pcs $0.50 / pc | Available to order | |
| 6.30 × 1.80 mm0.248 × 0.071 in | FKM 70A | — | $4.99 / 10 pcs $0.50 / pc | Available to order | |
| 60.00 × 3.55 mm2.362 × 0.140 in | NBR 90A | — | $28.69 / 100 pcs $0.29 / pc | Available to order | |
| 30.00 × 2.65 mm1.181 × 0.104 in | NBR 80A | — | $4.99 / 10 pcs $0.50 / pc | Available to order | |
| 20.00 × 2.65 mm0.787 × 0.104 in | NBR 90A | — | $4.99 / 10 pcs $0.50 / pc | Available to order | |
| 15.00 × 1.80 mm0.591 × 0.071 in | NBR 90A | — | $4.99 / 10 pcs $0.50 / pc | Available to order | |
| 530.00 × 7.00 mm20.866 × 0.276 in | FFKM 75A | — | $1,718.79 / pc $1,718.79 / pc | Available to order | |
| 515.00 × 7.00 mm20.276 × 0.276 in | FFKM 75A | — | $1,714.65 / pc $1,714.65 / pc | Available to order | |
| 508.00 × 7.00 mm20.000 × 0.276 in | FFKM 90A | — | $27,994.77 / 10 pcs $2,799.48 / pc | Available to order | |
| 508.00 × 7.00 mm20.000 × 0.276 in | FFKM 80A | — | $1,686.43 / pc $1,686.43 / pc | Available to order | |
| 508.00 × 7.00 mm20.000 × 0.276 in | FFKM 75A | — | $1,706.73 / pc $1,706.73 / pc | Available to order | |
| 508.00 × 7.00 mm20.000 × 0.276 in | FFKM 70A | — | $1,634.76 / pc $1,634.76 / pc | Available to order | |
| 508.00 × 7.00 mm20.000 × 0.276 in | FFKM 60A | — | $1,569.72 / pc $1,569.72 / pc | Available to order | |
| 500.00 × 7.00 mm19.685 × 0.276 in | FFKM 75A | — | $1,310.14 / pc $1,310.14 / pc | Available to order | |
| 493.00 × 7.00 mm19.409 × 0.276 in | FFKM 90A | — | $1,487.67 / pc $1,487.67 / pc | Available to order | |
| 493.00 × 7.00 mm19.409 × 0.276 in | FFKM 80A | — | $1,636.66 / pc $1,636.66 / pc | Available to order | |
| 493.00 × 7.00 mm19.409 × 0.276 in | FFKM 75A | — | $2,201.23 / pc $2,201.23 / pc | Available to order | |
| 493.00 × 7.00 mm19.409 × 0.276 in | FFKM 70A | — | $1,586.14 / pc $1,586.14 / pc | Available to order | |
| 493.00 × 7.00 mm19.409 × 0.276 in | FFKM 60A | — | $1,522.96 / pc $1,522.96 / pc | Available to order | |
| 487.00 × 7.00 mm19.173 × 0.276 in | FFKM 75A | — | $1,557.39 / pc $1,557.39 / pc | Available to order | |
| 483.00 × 7.00 mm19.016 × 0.276 in | FFKM 90A | — | $25,029.68 / 10 pcs $2,502.97 / pc | Available to order | |
| 483.00 × 7.00 mm19.016 × 0.276 in | FFKM 80A | — | $1,514.73 / pc $1,514.73 / pc | Available to order | |
| 483.00 × 7.00 mm19.016 × 0.276 in | FFKM 75A | — | $1,489.37 / pc $1,489.37 / pc | Available to order | |
| 483.00 × 7.00 mm19.016 × 0.276 in | FFKM 70A | — | $1,468.13 / pc $1,468.13 / pc | Available to order | |
| 483.00 × 7.00 mm19.016 × 0.276 in | FFKM 60A | — | $1,409.55 / pc $1,409.55 / pc | Available to order | |
| 479.00 × 7.00 mm18.858 × 0.276 in | FFKM 75A | — | $1,192.08 / pc $1,192.08 / pc | Available to order | |
| 475.00 × 7.00 mm18.701 × 0.276 in | FFKM 75A | — | $1,506.51 / pc $1,506.51 / pc | Available to order | |
| 470.00 × 7.00 mm18.504 × 0.276 in | FFKM 90A | — | $1,364.17 / pc $1,364.17 / pc | Available to order | |
| 470.00 × 7.00 mm18.504 × 0.276 in | FFKM 80A | — | $1,491.46 / pc $1,491.46 / pc | Available to order | |
| 470.00 × 7.00 mm18.504 × 0.276 in | FFKM 75A | — | $2,021.80 / pc $2,021.80 / pc | Available to order | |
| 470.00 × 7.00 mm18.504 × 0.276 in | FFKM 70A | — | $1,445.56 / pc $1,445.56 / pc | Available to order | |
| 470.00 × 7.00 mm18.504 × 0.276 in | FFKM 60A | — | $1,387.90 / pc $1,387.90 / pc | Available to order | |
| 466.00 × 7.00 mm18.346 × 0.276 in | FFKM 75A | — | $1,182.43 / pc $1,182.43 / pc | Available to order | |
| 462.00 × 7.00 mm18.189 × 0.276 in | FFKM 75A | — | $1,497.78 / pc $1,497.78 / pc | Available to order | |
| 456.00 × 7.00 mm17.953 × 0.276 in | FFKM 90A | — | $1,356.86 / pc $1,356.86 / pc | Available to order | |
| 456.00 × 7.00 mm17.953 × 0.276 in | FFKM 80A | — | $1,483.47 / pc $1,483.47 / pc | Available to order | |
| 456.00 × 7.00 mm17.953 × 0.276 in | FFKM 75A | — | $1,856.56 / pc $1,856.56 / pc | Available to order | |
| 456.00 × 7.00 mm17.953 × 0.276 in | FFKM 70A | — | $1,437.83 / pc $1,437.83 / pc | Available to order | |
| 456.00 × 7.00 mm17.953 × 0.276 in | FFKM 60A | — | $1,380.45 / pc $1,380.45 / pc | Available to order | |
| 450.00 × 7.00 mm17.717 × 0.276 in | FFKM 75A | — | $1,489.33 / pc $1,489.33 / pc | Available to order | |
| 443.00 × 7.00 mm17.441 × 0.276 in | FFKM 90A | — | $2,422.26 / pc $2,422.26 / pc | Available to order | |
| 443.00 × 7.00 mm17.441 × 0.276 in | FFKM 80A | — | $1,464.95 / pc $1,464.95 / pc | Available to order |
Can’t find your size, material or quantity? Send the dimensions, an old part or a drawing.Request a quote
About DIN / ISO Metric O-Rings
Buy the exact listed metric SKU in a small pack when available. If the size or specification is not listed, use the Custom O-Ring Quote route for non-standard or small-batch custom review. For measurement help, start with the O-Ring Size Guide.