Attributes

Key Value
Diameter0.2500"
Flute TypeStraight
Hand of CutRight
MaterialHSS
Material ApplicationCast Iron, M: Stainless.
Measurement SystemImperial
Number of Flutes4
Operation TypeThru Hole
Overall Length2.4375"
Overall Length (Metric)61.91mm
Shank ConfigurationStraight w/ Square
Shank End FeatureSquare
Shank Size0.5625"
Shank Size (Metric)14.29mm
Shank Square Length0.4375"
Shank Square Length (Me.11.11mm
Shank Square Width0.4210"
Shank Square Width (Met.10.69mm
Surface ConditionBright
Tap Blank ConstructionUSCTI Table 311
Tap ChamferSemi-Bottoming
Tap ConstructionMedium Hook Taper
Tap Ground ThreadsYes
Tap HookMedium (5-10)
Tap Interrupted ThreadNo
Tap Spiral PointNo
Tap Standard Projection0.4590"
Tap StyleTapered Pipe Tap
Tap Truncated ThreadsNo
Tap TypePipe Tap
Thread CreationThread Cutting
Thread FormNPTF
Thread Length1.0625"
Thread Length (Metric)26.99mm
Thread Pitch18
Thread Size1/4"
Tool Size1/4-18 NPTF
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