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Unformatted text preview: : a blind hole with a recess larger than the tap major diameter and beyond the depth of full thread, limiting the travel of the tap. Stepped : a blind or open hole with a change in diameter that limits the thread depth. Through : a hole that passes through the work piece and is threaded to its full depth. Based on ASME B94.9-1999, TAPS: Ground and Cut Threads (Inch & Metric)...
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- Spring '08