This hand tap is made of high speed steel and has a 0.168 inch diameter, 1⅜ inch long shank. It is designed for use with aluminum, brass, bronze, cast iron, copper, steel, and meets the standards for USCTI Table 302, USCTI. This 401 series hand tap has a bright finish, and has pipe measurements. It has right hand direction with a 2⅛ 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 Size3.40 mm
Class of Fit2B
Number of Flutes4
55% Thread Drill Size3.60 mm
Extended NeckYes
Primary Material ApplicationAluminum, Brass, Bronze, Cast Iron, Copper, Steel
Series401
Shank Length1 3/8 in
Spiral DirectionNeutral
StandardsUSCTI 302
Tap StyleStraight Flute
Threads per Inch32 TPI
Thread Size#8-32
Tap ChamferTaper
Tap FinishBright (Uncoated)
Overall Length2 1/8 in
Thread LimitH3
Thread DirectionRight Hand
Tap Shank StandardUSCTI
65% Thread Drill Size3.50 mm
Measurement SystemPipe
Primary Material Application ISO CodeK, N, P
Shank Dia.0.168 in
Shank Type - MachiningStraight
Square Size0.1310 in
Tap GroupingTap
Thread Limit / Class of FitH3 / 2B
Helix Angle0 Degrees
Country of OriginUnited States
(subject to change)