Rainbow Bolt & Supply, Inc. has been a trusted provider of quality fasteners and industrial supplies since 1985. They offer both inch and metric sizes and are known for having a comprehensive inventory, often stocking hard-to-find items or special-ordering them. Customers appreciate the professional and friendly service, with staff being knowledgeable and helpful. Many customers consider it their go-to place for all hardware needs, praising its large selection of bolts, nuts, and other supplies under one roof. The store is highly recommended for its fast, reliable service and for being the best supply location in Southern California for those seeking a wide variety of hardware options.
Found a hex screw that no store had...perfect place too find what I needed and very knowledgeable staff, definitely coming back before ever going too a big box store
March 2026
I just want to give a shoutout to Lester, he helped me so much verifying the bolt and even explained the difference between the 2 bolt types I could use. Very knowledgeable and friendly. Everyone inside the facility is very nice and knowledgeable this is my go to one stop shop forever.
August 2025
Always the best supply house for all your fasteners and more.
