This hand tap is made of high speed steel and has a 0.318 inch diameter, 1.5940 inch long shank. It is designed for use with all materials, and meets the standards for USCTI. This 1003 series hand tap has a bright (uncoated) finish, and has fractional inch measurements. It has right hand direction with a 2.72 inch length. Plus it has four flutes and a straight shank.
Technical Specs
ItemHand Tap
Thread StandardUNF
Tap MaterialHigh Speed Steel
Thread Length0.697 in
75% Thread Drill SizeI
Class of Fit2B
Number of Flutes4
55% Thread Drill Size9/32 in
Extended NeckYes
Primary Material ApplicationAll Materials
Series1003
Shank Length1.5940 in
Spiral DirectionNeutral
StandardsUSCTI 302A
Tap StyleStraight Flute
Threads per Inch24 TPI
Thread Size5/16"-24
Tap ChamferBottoming
Tap FinishBright (Uncoated)
Overall Length2.72 in
Thread LimitH3
Thread DirectionRight Hand
Tap Shank StandardUSCTI
65% Thread Drill SizeJ
Measurement SystemFractional Inch
Primary Material Application ISO CodeH, K, M, N, O, P, S
Shank Dia.0.318 in
Shank Type - MachiningStraight
Square Size0.2380 in
Tap GroupingTap
Thread Limit / Class of FitH3 / 2B
Helix Angle0 Degrees
Country of OriginUnited States
(subject to change)