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 302. This SPGP series tap has a bright 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 StandardUNC
Tap FinishBright (Uncoated)
Overall Length2 1/2 in
Thread LimitH5
Thread DirectionRight Hand
Primary Material ApplicationAll Materials
65% Thread Drill Size#5
Measurement SystemFractional Inch
SeriesSPGP
Shank Length1 1/2 in
Spiral DirectionNeutral
StandardsUSCTI 302
Tap GroupingTap
Thread Limit / Class of FitH5 / 2B, 3B
Tap StyleSpiral Point
Thread Size1/4"-20
Tap MaterialHigh Speed Steel
Thread Length5/8 in
75% Thread Drill Size#7
Class of Fit2B, 3B
Number of Flutes3
55% Thread Drill Size#3
Extended NeckYes
Primary Material Application ISO CodeN, P
Shank Dia.0.255 in
Shank Type - MachiningStraight
Square Size0.1910 in
Tap ChamferPlug
Threads per Inch20 TPI
Helix Angle0 Degrees
Country of OriginUnited States
(subject to change)