This hand tap is made of high speed steel and has a 0.381 inch diameter, 1.6880 inch long shank. It is for use with aluminum, brass, bronze, cast iron, copper, steel, and meets the standards for USCTI. This HTGP series hand tap has a bright finish, and has fractional inch measurements. It has right hand direction with a 2 15/16 inch length. Plus it has four flutes and a straight shank.
Technical Specs
ItemHand Tap
Thread StandardUNC
Tap MaterialHigh Speed Steel
Thread Length3/4 in
75% Thread Drill Size5/16 in
Class of Fit2B
Number of Flutes4
55% Thread Drill Size8.40 mm
Extended NeckYes
Primary Material ApplicationAluminum, Brass, Bronze, Cast Iron, Copper, Steel
SeriesHTGP
Shank Length1.6880 in
Spiral DirectionNeutral
StandardsUSCTI 302A
Tap StyleStraight Flute
Threads per Inch16 TPI
Thread Size3/8"-16
Tap ChamferPlug
Tap FinishBright (Uncoated)
Overall Length2 15/16 in
Thread LimitH3
Thread DirectionRight Hand
Tap Shank StandardUSCTI
65% Thread Drill SizeP
Measurement SystemFractional Inch
Primary Material Application ISO CodeK, M, N, P
Shank Dia.0.381 in
Shank Type - MachiningStraight
Square Size0.2860 in
Tap GroupingTap
Thread Limit / Class of FitH3 / 2B
Helix Angle0 Degrees
Country of OriginUnited States
(subject to change)