Product Description

The Spray Max 3680001 1K Self-Etch Weld-Thru Primer is a professional-grade automotive primer designed for corrosion protection and superior adhesion in welding and metal preparation applications. Its red-brown formula provides a durable, etching layer that bonds directly to bare metal, preventing rust and ensuring a strong foundation for subsequent coatings.

Ideal for body shops, refinishing professionals, and DIY metalwork, this weld-thru primer is fast-drying, easy to apply, and compatible with a wide range of topcoats. It is perfect for seams, welds, and areas exposed during repair, offering reliable corrosion resistance and excellent paint adhesion.

Product Facts

  • 1K self-etching weld-thru primer for bare metal surfaces
  • Red-brown formula for easy identification and coverage
  • Provides superior corrosion protection and adhesion
  • Fast-drying for efficient workflow in body shops
  • Ideal for weld seams, repairs, and metal prep areas
  • Compatible with most automotive topcoats and paints
  • Suitable for professional and DIY automotive refinishing 

Shipping

We ship the same day the order is placed, before 2PM EST, Monday through Friday. All weekend orders will be shipped the next business day.

We use UPS, FedEx, and USPS as our shipping carriers.

Returns

Our return policy is 30 days. If 30 days have gone by since your purchase, unfortunately we can't offer you a refund or exchange. All used parts are final sale.

We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us a message.

Contact

If you have any questions about your order or the products we carry, please call or message us directly through eBay.

You can contact us Monday through Friday during our normal business hours.

Hours: Monday-Friday 9AM-5PM EST
Phone: 1 (833) 272-6274

Your go-to automotive refinish warehouse!