This hand tap is made of high speed steel and has a 0.381 inch diameter, 1.6880 inch long shank. It is designed for use with cast iron, stainless steel, steel, and meets the standards for USCTI. This HTGP-TN series hand tap has a TiN 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 Length1 1/4 in
75% Thread Drill Size5/16 in
Class of Fit2B
Number of Flutes4
55% Thread Drill Size8.40 mm
Extended NeckYes
Primary Material ApplicationCast Iron, Stainless Steel, Steel
SeriesHTGP-TN
Shank Length1.6880 in
Spiral DirectionNeutral
StandardsUSCTI 302A
Tap StyleStraight Flute
Threads per Inch16 TPI
Thread Size3/8"-16
Tap ChamferBottoming
Tap FinishTiN
Overall Length2 15/16 in
Thread LimitH5
Thread DirectionRight Hand
Tap Shank StandardUSCTI
65% Thread Drill SizeP
Measurement SystemFractional Inch
Primary Material Application ISO CodeK, M, P
Shank Dia.0.381 in
Shank Type - MachiningStraight
Square Size0.2860 in
Tap GroupingTap
Thread Limit / Class of FitH5 / 2B
Helix Angle0 Degrees
Country of OriginUnited States
(subject to change)