Reamers

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Professional Reamers for Structural Steel & Metalworking Shop professional reamers for structural steel, metal fabrication, construction, and industrial applications at Diamond Tool Store. Our selection of metal reamers is designed for enlarging, aligning, cleaning, and finishing existing holes in steel and other metals, making them essential tools for ironworkers, steel erectors, fabricators, bridge crews, construction contractors, and industrial maintenance professionals. Unlike a standard drill bit that is primarily designed to create a new hole, a reamer is used to enlarge, align, or finish an existing hole . This makes reamers particularly valuable during structural steel erection, where bolt holes in beams, plates, brackets, and other steel components may need to be aligned or enlarged before bolts and fasteners can be installed. Diamond Tool Store carries professional reaming tools for demanding field and shop applications, including bridge reamers, car reamers, step reamers, impact reamers, and other metal hole-enlarging tools . Our selection includes solutions for both traditional drilling equipment and modern impact-compatible applications. Whether you're aligning bolt holes during steel erection, enlarging an existing hole in a fabrication shop, working on bridge construction, or completing an industrial repair, the right reamer can help produce an accurate opening while improving productivity on the job. What Is a Reamer? A reamer is a metal cutting tool used to enlarge, align, straighten, or finish an existing hole . Reamers are different from conventional drill bits because they generally are not intended to create the original hole from solid material. Instead, the tool enters an existing opening and removes material from the sides of the hole. Depending on the type of reamer and application, this can help: Enlarge existing holes Align overlapping bolt holes Correct slightly misaligned holes Clean damaged holes Improve hole roundness Prepare openi