This hand tap is made of high speed steel and has a 0.220 inch diameter, 1-7/16 inch long shank. It is 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 2⅜ inch length. Plus it has four flutes and a straight shank.
Technical Specs
ItemHand Tap
Thread StandardUNC
Tap MaterialHigh Speed Steel
Thread Length15/16 in
75% Thread Drill Size4.45 mm
Class of Fit2B
Number of Flutes4
55% Thread Drill Size#13
Extended NeckYes
Primary Material ApplicationAluminum, Brass, Bronze, Cast Iron, Copper, Steel
Series401
Shank Length1 7/16 in
Spiral DirectionNeutral
StandardsUSCTI 302
Tap StyleStraight Flute
Threads per Inch24 TPI
Thread Size#12-24
Tap ChamferTaper
Tap FinishBright (Uncoated)
Overall Length2 3/8 in
Thread LimitH3
Thread DirectionRight Hand
Tap Shank StandardUSCTI
65% Thread Drill Size4.60 mm
Measurement SystemPipe
Primary Material Application ISO CodeK, N, P
Shank Dia.0.220 in
Shank Type - MachiningStraight
Square Size0.1650 in
Tap GroupingTap
Thread Limit / Class of FitH3 / 2B
Helix Angle0 Degrees
Country of OriginUnited States
(subject to change)