This PTTI pipe tap is made of high speed steel and has a 0.688 inch diameter, 1¾ inch long shank. It is designed for use with stainless steel/steel, and meets the standards for USCTI Table 311. This PTTI series pipe tap has a bright (uncoated) finish, and has fractional inch measurements. It has right hand direction with a 3⅛ inch length, plus it has four flutes.
Technical Specs
ItemPipe Tap
Thread StandardNPTF
Tap FinishBright (Uncoated)
Overall Length3 1/8 in
Number of Flutes4
Primary Material ApplicationStainless Steel, Steel
Helix Angle0 Degrees
Measurement SystemFractional Inch
SeriesPTTI
Shank Length1 3/4 in
Square Size0.5150 in
Tap ChamferSemi-Bottoming
Tap StylePipe
Thread Size1/2"-14
Tap MaterialHigh Speed Steel
Thread Length1 3/8 in
75% Thread Drill Size0.7031 in
Tap Shank StandardUSCTI Table 311
Thread DirectionRight Hand
Material Grade - MachiningPTTI
Primary Material Application ISO CodeM, P
Shank Dia.0.688 in
Spiral DirectionNeutral
StandardsUSCTI Table 311
Tap GroupingTap
Threads per Inch14 TPI
Country of OriginUnited States
(subject to change)