Thread Repair Kit - 5521-4
HeliCoil inserts are precision formed screw thread coils of extremely hard diamond shaped 304 stainless steel wire. When installed into Helicoil tapped holes, screw thread inserts provide permanent conventional 60 degree internal screw threads that accommodate any standard bolt or screw.
Why Pros Choose Helicoil Thread Inserts HEL
- HeliCoil inserts are precision formed screw thread coils of extremely hard diamond shaped 304 stainless steel wire. When installed into Helicoil tapped holes, screw thread inserts provide permanent conventional 60 degree internal screw threads that accommodate any standard bolt or screw.
Compatibility
Compatible substrates: Steel, Stainless.
Specifications
| Part No. | 5521-4 |
|---|---|
| Product Line | HEL |
| Manufacturer | Helicoil Thread Inserts |
| UPC | 0002596410019 |
About Helicoil Thread Inserts
Helicoil Thread Inserts is a trusted manufacturer of professional auto body and refinish products used by collision repair shops and restoration specialists across North America.
Frequently Asked Questions
What surfaces can Helicoil Thread Inserts HEL be used on?
Helicoil Thread Inserts HEL is compatible with Steel, Stainless. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish.
How fast does autofxmart ship Helicoil Thread Inserts HEL?
Most in-stock orders for Helicoil Thread Inserts HEL ship the same or next business day from our US warehouse. Expedited options are available at checkout. Freight-class items may require an additional 1–2 days for carrier pickup.
Is this Helicoil Thread Inserts product genuine?
Yes. autofxmart is an authorized distributor of Helicoil Thread Inserts products. Every unit is factory-fresh, sealed, and backed by the manufacturer's standard warranty. If you have a concern, contact support@autofxmart.com and we will make it right.
What is the manufacturer part number (MPN) for Helicoil Thread Inserts HEL?
The MPN for Helicoil Thread Inserts HEL is 5521-4. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
Why Buy from autofxmart
- Authorized distributor — authentic, factory-fresh stock.
- Fast US shipping — most orders ship within 1 business day.
- 30-day returns — buy with confidence.
- Pro-shop pricing — bulk discounts available on request.
- Expert support — questions? Email us at support@autofxmart.com.