1/4-28 HSS Nitro Taper Tap

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If your application requries heavy duty performance, consider our 1/4-28 HSS Nitro Taper Tap. The Nitro line features a durable surface treatment that enhances hardness, making it ideal for materials such as cast iron and stainless steel. Taper Taps are best for starting threading in a through hole, ideal for applications when the tap needs to align and full thread depth isn't required. They offer a gradual taper along the length of thread with an exended chamfer to reduce the likelihood of the tap breaking.