This PTT-TN pipe tap is made of high speed steel and has a 0.5625 inch diameter, 1⅜ inch long shank. It is designed for use with cast iron, stainless steel, steel, and meets the standards for USCTI Table 311. This PTT-TN series pipe tap has a TiN finish, and has fractional inch measurements. It has right hand direction with a 2 7/16 inch length, plus it has four flutes.
Technical Specs
ItemPipe Tap
Thread StandardNPTF
Tap FinishTiN
Overall Length2 7/16 in
Thread LimitH3
Tap Shank StandardUSCTI Table 311
Thread DirectionRight Hand
Material Grade - MachiningPTT-TN
Primary Material Application ISO CodeK, M, P
Shank Dia.0.5625 in
Spiral DirectionNeutral
StandardsUSCTI Table 311
Tap GroupingTap
Threads per Inch18 TPI
Thread Size1/4"-18
Tap MaterialHigh Speed Steel
Thread Length1 1/16 in
75% Thread Drill Size0.4375 in
Number of Flutes4
Primary Material ApplicationCast Iron, Stainless Steel, Steel