This tap is made of high speed steel and has a 0.255 inch diameter, 1½ inch long shank. It is designed for use with all materials, and meets the standards for USCTI. This SPGP-TC series tap has a TiCN finish, and has fractional inch measurements. It has right hand direction with a 2½ inch length. Plus it has three flutes and a straight shank.
Technical Specs
ItemTap
Thread StandardUNF
Tap FinishTiCN
Overall Length2 1/2 in
Thread LimitH2
Thread DirectionRight Hand
Primary Material ApplicationAll Materials
65% Thread Drill Size7/32 in
Measurement SystemFractional Inch
SeriesSPGP-TC
Shank Length1 1/2 in
Spiral DirectionNeutral
StandardsUSCTI 302A
Tap GroupingTap
Thread Limit / Class of FitH2 / 2B
Tap StyleSpiral Point
Thread Size1/4"-28
Tap MaterialHigh Speed Steel
Thread Length1 in
75% Thread Drill Size5.45 mm
Class of Fit2B
Number of Flutes3
55% Thread Drill Size5.70 mm
Extended NeckYes
Primary Material Application ISO CodeM, N, P
Shank Dia.0.255 in
Shank Type - MachiningStraight
Square Size0.1910 in
Tap ChamferPlug
Threads per Inch28 TPI
Helix Angle0 Degrees
Country of OriginUnited States
(subject to change)