This tap is made of high speed steel and has a ½ inch diameter, 1.7190 inch long shank. It is designed for use with all materials, and meets the standards for USCTI. This SPGP series tap has a bright finish, and has fractional inch measurements. It has right hand direction with a 3⅜ inch length. Plus it has three flutes and a straight shank.
Technical Specs
ItemTap
Thread StandardUNF
Tap FinishBright (Uncoated)
Overall Length3 3/8 in
Thread LimitH3
Thread DirectionRight Hand
Primary Material ApplicationAll Materials
65% Thread Drill Size11.60 mm
Measurement SystemFractional Inch
SeriesSPGP
Shank Length1.7190 in
Spiral DirectionNeutral
StandardsUSCTI 302A
Tap GroupingTap
Thread Limit / Class of FitH3 / 2B
Tap StyleSpiral Point
Thread Size1/2"-20
Tap MaterialHigh Speed Steel
Thread Length15/16 in
75% Thread Drill Size11.40 mm
Class of Fit2B
Number of Flutes3
55% Thread Drill Size11.80 mm
Extended NeckYes
Primary Material Application ISO CodeN, P
Shank Dia.0.5 in
Shank Type - MachiningStraight
Square Size0.2750 in
Tap ChamferPlug
Threads per Inch20 TPI
Helix Angle0 Degrees
Country of OriginUnited States
(subject to change)