Features The bright finish on these taps provides a smooth, polished surface. Thread Size / M22x2.5 Thread Standard / Metric Coarse Tap Chamfer / Plug Tap Material / High Speed Steel Tap Finish / Bright (Uncoated) Thread Length / 56.36 mm Overall Length / 119.06 mm 75% Thread Drill Size / 19.50 mm Thread Limit / H6 Thread Direction / Right Hand Number of Flutes / 4 Tap Length Standard / ANSI Tap Shank Standard / ANSI 55% Thread Drill Size / 51/64 in 65% Thread Drill Size / 25/32 in Coolant Fed / Non-Coolant Through Extended Neck / Yes Measurement System / Metric Primary Material Application / Aluminum, Brass, Bronze, Copper Primary Material Application ISO Code / N Series / 7353 Shank Dia. / 17.70 mm Shank Length / 2 15/32 in Shank Type - Machining / Straight Spiral Direction / Neutral Square Size / 13.28 mm Standards / ANSI Tap Grouping / Individual Tap Style / Straight Flute (Hand) Thread Limit / Class of Fit / H6 Thread Pitch / 2.50mm