HSS TiN Straight Flute – Bottoming Tap
Type 25-UBN HSS TiN Straight Flute Hand Bottoming Tap
— For general use in production tapping or hand operations.
— Precision ground threads for the ultimate in accuracy and performance.
— Versatile taps for use in general machine tapping or CNC tapping applications.
— Proudly manufactured in the USA.
PDF — Type 25-UBN TiN Straight Flute Hand Bottoming Tap
Pitch Diameter is the basic dimension of a screw, threaded hole, or a tap the diameter of an imaginary cylinder, the surface of which passes through the thread where width of thread and space between threads are identical. This cylinder, of course, would be a cone for tapered taps. It is upon Pitch Diameter that tolerance limits are based to establish Class of Thread.