an APL Manufacturing Company
Home of the Best in Bushings and Tooling Components!
Get in touch with the friendly people at United!
Precision Tooling in Downey, CA
United Drill Bushing specializes in manufacturing precision drill bushings, jig and fixture components, tooling and fastener solutions, and specialized hardware for aerospace, automotive, and industrial applications.
Our capabilities include standard and custom tooling components, modular fixturing, clamps and assemblies, tool-holding devices, adapters, cutters, gauges, Taper Lock tooling, and complete tooling kits for production, retrofit, and repair.
All products are manufactured to ANSI, United, and international standards, with a focus on consistent performance, durability, and long-term value.
Drill Bushings
A full range of precision drill bushings, from headless liners to slip-fit renewable and extra thin-wall designs, all manufactured to exacting standards. United does bushings best.
Custom Kits
Custom kits built to streamline operations, from burnishing and drill bar kits to countersink and counterbore accessories and fully tailored tooling solutions.
Our Story
Founded on March 13, 1964, United Drill Bushing has built a long-standing reputation for precision, quality, and reliability in tooling manufacturing. Based in Downey, California, United operates a 100,000-square-foot manufacturing and warehousing campus supported by experienced engineers, skilled machinists, and dedicated quality and customer service teams. In 2025, United Drill Bushing was acquired by APL Manufacturing, strengthening its capabilities while continuing its commitment to quality, integrity, and on-time delivery.
Exclusive U.S. Partner: Lomas Engineering
United Drill Bushing Corporation is the exclusive U.S. agent for Lomas Engineering, a UK-based manufacturer of precision aerospace cutting tools, including drills, reamers, counterbores, and custom solutions.