EPDM O-Ring Cord Stock, 1.78mm Cross-Section (0.070") - Make Custom-Size O-Rings, Sold by the Foot

FINAL SALE - NO RETURNS. THIS IS A STANDARD CATALOGUE SIZE; CONFIRM YOUR DIMENSIONS AND MATERIAL BEFORE ORDERING.

Because standard sizes are chosen by measurement rather than by machine model, they ship as final sale. If we send the wrong item, or it arrives damaged or defective, we replace it free of charge, and that never changes.

Need an o-ring in a size nobody stocks, or a seal for a large or odd-shaped groove? O-ring cord lets you cut and splice a ring to the exact length you need.

This Beaver Island Parts Company part is solid round EPDM cord with a 1.78mm (0.070") cross-section, sold by the foot.

Specifications

What It Fits

Used in large-diameter flanges, tank lids and hatches, enclosure doors, oversized pump and filter housings, and any static groove where a molded ring is not available.

Material

EPDM is the right choice for water, steam, coolant and outdoor service where nitrile would age and crack.

You Can Do This Repair

Measure the groove centerline circumference and subtract about 2 to 3 percent so the ring sits with slight stretch. Cut the ends square with a sharp razor blade (a miter box keeps the cut true), bond them with a cyanoacrylate o-ring splicing adhesive, hold for 30 to 60 seconds, and let it cure before use.

Pro Tip: Spliced cord rings are for static seals. For moving parts, use a molded o-ring.

Shipping: This part is special-ordered and packed for you. It ships from our facility in about 10 business days, then transits by the carrier service you choose at checkout. The estimated delivery date shown on this page includes that lead time.

Why Buy From Beaver Island Parts Company

• Every dimension published. Size, material, hardness and temperature rating are listed up front so you can confirm fit before you buy, not after.
• Inspected, packed and labeled by us. Each order is checked and repacked in a bag labeled with the part's size and material, so it never gets lost in a parts bin.
• Real people who answer fitment questions. We are an American family-owned and operated small business. Send us your measurements or model number and we will help you confirm the right part.
• Replacement guarantee. If we ship the wrong item, or it arrives damaged or defective, we replace it free of charge.

Frequently Asked Questions

Q: Can I do this myself?
A: Yes. Measure the groove centerline circumference and subtract about 2 to 3 percent so the ring sits with slight stretch. Cut the ends square with a sharp razor blade (a miter box keeps the cut true), bond them with a cyanoacrylate o-ring splicing adhesive, hold for 30 to 60 seconds, and let it cure before use.

Q: When will it ship?
A: It ships from our facility in about 10 business days, then transits by the carrier service you choose.