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South Coast Fasteners keeps the 4-40 HSS Bottom Taps, Coarse, High Speed Steel, USA in stock and ready to ship. It measures #4 diameter, coarse thread, High Speed Steel. It holds an edge through repeated cuts on tough stock. Built for fabrication, chop-saw, and angle-grinder work, it is part of our USA Cutting Tools line, stocked across industries such as Automotive, Manufacturing, and Welding.
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