Metric Bottom Tap. They are used for threading to the bottom of blind holes and have 2 to 2-1/2 threads. High Speed Steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials. Thread Size (mm) M8x1.25 Class.
Kodiak Cutting Tools KCT211055 USA Made Bottom Tap, D5 Limit, Metric 4 Flute, Ground Threads, High Speed Steel, M8 x 1.25 Size 5.0 out of 5 stars 3 $9.99 $ 9. 99.
DEWALT 17-piece Metric Tap and Small Hexagon Die DEWALT 17-piece Metric Tap and Small Hexagon Die Set is a multi-purpose tap and die set. This set is ideal for repairing and creating a wide range of internal and external threads. Made from high carbon steel the taps and dies are machined for precise threading and the black oxide.
Basic metric hand tap types: Taper tap: 5-6 lead threads ground. The easiest tap for starting to thread a hole. Plug tap: 3-4 lead threads ground. The most common tap: a "middle ground" tap for threading. Bottoming tap: 1-2 lead threads ground. Used for continuing to thread a blind hole close to the bottom .
Metric HSS Bottoming Style TiN Coated — Versatile taps for use in general machine tapping OR CNC tapping applications. — Precision ground threads for the ultimate in accuracy and performance. — A bottoming tap is usually used to cut threads in a hole that has already been partially threaded.