black oxide finishing

Black Oxide Industries was established in 1974 and resides at its original Anaheim, California location. BOI operates one of the largest capacity black oxide facilities in the United States and has gained a reputation as a trusted metal finishing professional, recognized at various levels of the U.S. military, defense, and aerospace industries. The company holds Nadcap accreditation of its aerospace quality system, testing laboratory, and chemical processing facility.

chemical conversion coatingschemical processingengineering and design supporttesting laboratory

Chapman MFG makes screwdriver sets and bits in the USA, made in CT from USA materials, with tools essentially unchanged since 1936. The site also offers Bristol multiple spline drive wrenches for socket screws. Chapman MFG was acquired by Independent Metalworx, owner of Bristol Wrench, and tools remain proudly USA Made.

hand assemblyheat treatinginspection and testingprecision milling

Chicago Dial Indicator (CDI) has been a manufacturer of digital and mechanical gages since 1932, based in Des Plaines, Illinois. CDI produces more than 400 standard mechanical and electronic dial indicators plus custom gages, and supplies major manufacturers and OEMs worldwide. All indicators are American designed, engineered, and made to American Gage Design specifications.

custom gage designheat treatingmanufacturing dial indicatorsprecision grinding

Fastener Express is a manufacturer and distributor of threaded fasteners based in Santa Ana, California, serving the industry since 1997. It specializes in stainless and aluminum socket head cap screws, black oxide and anodized aluminum screws, and metric fasteners, making standard and custom parts. The company stocks over 20 million fasteners and ships same day for most orders.

anodizingcustom partsdistributioninternational shippingmanufacturingsame-day shipping