High speed steel ground thread taper fractional hand tap. Most versatile taps for hand use for tapping under power. Popular for use in general machine tapping or CNC tapping. Appropriate for tapping the vast majority of materials.
Technical Specs
ItemTap
Thread StandardUNC, UNJC
Tap MaterialHigh Speed Steel
Thread Length1 1/4 in
75% Thread Drill Size5/16 in
Class of Fit2B, 3B
Number of Flutes4
55% Thread Drill Size8.40 mm
Coolant FedNon-Coolant Through
Measurement SystemFractional Inch
Primary Material Application ISO CodeP
Shank Dia.0.381 in
Shank Type - MachiningStraight
Square Size0.2860 in
Tap GroupingTap
Thread Limit / Class of FitH3 / 2B, 3B
Helix Angle0 Degrees
Thread Size3/8"-16
Tap ChamferTaper
Tap FinishBright (Uncoated)
Overall Length2 15/16 in
Thread LimitH3
Thread DirectionRight Hand
Tap Shank StandardANSI
65% Thread Drill SizeP
Extended NeckYes
Primary Material ApplicationSteel
Series5303
Shank Length1.6900 in
Spiral DirectionNeutral
StandardsANSI, NPT, UTS
Tap StyleStraight Flute
Threads per Inch16 TPI
Country of OriginUnited States
(subject to change)