Wire Thread Insert Metric

Stainless steel wire thread inserts for reliable thread repair and reinforcement

Restore stripped, worn, or damaged threads with precision-made wire thread inserts designed to deliver strong, durable internal threads in metals, plastics, and softer alloys. Manufactured from high-quality stainless steel, these inserts provide excellent corrosion resistance, heat tolerance, and long-term performance in demanding environments.

Ideal for maintenance, automotive, engineering, and workshop use, each handy pack contains carefully wound coils that create a hard-wearing thread interface, often stronger than the original. Use them to repair existing threads or to reinforce new threads in softer materials, helping prevent future wear and pull-out.

• High-strength stainless steel construction for durability and corrosion resistance
• Restores damaged threads and reinforces new threads in a wide range of materials
• Precision-engineered coil design ensures secure fit and smooth fastener engagement
• Suitable for workshop, automotive, machinery, and general repair applications
• Supplied in convenient packs for efficient, on-the-spot repairs

Simple to install using the appropriate tooling, these replacement coils offer a cost-effective, professional solution for thread repair. Keep them on hand to extend the life of components, improve fastener reliability, and maintain a secure, accurate fit every time.

Free delivery on Irish orders over €199. Click & Collect from our Midleton store, usually ready within 24 hours for in-stock items. Tracked delivery to Ireland and the UK.

Dispatch times. Most orders ship within 1–5 working days. We stock over 15,000 lines and can't keep everything on the shelf, so special-order items can take longer. If yours will, we'll email you with an expected date.

Returns. 14 days to tell us. Unused, tags on, in its own packaging, sent back inside a separate outer parcel at your cost; damaged packaging or a used item means a reduced refund. Trade accounts: restocking fee, no returns with damaged packaging. Faulty or wrong items are on us. Start a return.

Not sure it's the right fit for the job? Contact the CFS team or email sales@countryfarmsupplies.com. Bulk orders welcome — request a quote.