Our knowledgeable staff is here to answer any questions. We offer inventory control, will call, UPS shipping and deliveries. Feel free to stop by with the fasteners you need or call ahead.

Nuts, bolts, washers, Tools & more

​Located at 1428 S. Grove Avenue, Units D/e Ontario, CA 91761 

j.r. industrial Supply CO.

Why Choose Us

Our Team

Pictured above: Jim (owner), Gary, and Jared

Visit our showroom Monday-Friday, 8am to 4:30pm.

We serve industrial maintenance shops, manufacturing plants, and the general public.


We’re all about fasteners: grade 5, grade 8, socket products, stainless steal bolts, nuts, & washers (SAE and Metrics). We also carry a variety of shop supplies including drill bits, wire terminals, abrasives & hand tools.

We are family owned and operated serving the Inland Empire since 1980.