Spiral Point Tap, Thread Size #8-32, UNC, Overall Length 2 1/8 in, High Speed Steel, TiN, Right Hand, Thread Length 3/8 in, 75 Percent Thread Drill Size 3.40 mm, Thread Limit H7, Class of Fit 2B, Number of Flutes 2Specifications:Item: Spiral Point TapShank Dia.: Shank Dia.: 0.168"Tap Material: High Speed SteelTap Dimension Type: InchTap Chamfer: PlugTap Size: #8Tap Style: Spiral PointOverall Length: 2-1/8"Number of Flutes: 2Standards: USCTI Table 302AThread Length: 3/4"List Number: 1011-TNNumber of Pieces: 1Tap Finish: TiNTap Thread Size: #8-32Thread Direction: Right HandPitch Diameter Limit: H7Tap Thread Type: UNCCutting Direction - Machining: Right HandThreads per Inch: 32Primary Material Application ISO Code: N75% Thread Drill Size: 3.40 mmThread Size: #8-32Shank Type - Machining: StraightSquare Size: 0.1310 inDrill Bit Size: #29Thread Standard: UNCPrimary Material Application: Aluminum, Brass, Bronze, Copper55% Thread Drill Size: 3.60 mmSpiral Direction: NeutralSeries: 1011-TNExtended Neck: YesSecondary Material Application: Stainless Steel, SteelShank Length: 1 9/32 inMeasurement System: PipeThread Limit: H7Secondary Material Application ISO Code: M, P65% Thread Drill Size: 3.50 mmClass of Fit: 2B