This tap is made of high speed steel and has a 0.4375 inch diameter, 1.7180 inch long shank. It is designed for use with all materials, and meets the standards for USCTI. This SPGP-TN series tap has a TiN finish, and has fractional inch measurements. It has right hand direction with a 3.156 inch length. Plus it has three flutes and a straight shank.
Technical Specs
ItemTap
Thread StandardUNF
Tap FinishTiN
Overall Length3.156 in
Thread LimitH3
Thread DirectionRight Hand
Primary Material ApplicationAll Materials
65% Thread Drill Size10.00 mm
Measurement SystemFractional Inch
SeriesSPGP-TN
Shank Length1.7180 in
Spiral DirectionNeutral
StandardsUSCTI 302A
Tap GroupingTap
Thread Limit / Class of FitH3 / 2B
Tap StyleSpiral Point
Thread Size7/16"-20
Tap MaterialHigh Speed Steel
Thread Length1 7/16 in
75% Thread Drill Size9.95 mm
Class of Fit2B
Number of Flutes3
55% Thread Drill Size10.20 mm
Extended NeckYes
Primary Material Application ISO CodeM, P
Shank Dia.0.4375 in
Shank Type - MachiningStraight
Square Size0.2420 in
Tap ChamferPlug
Threads per Inch20 TPI
Helix Angle0 Degrees
Country of OriginUnited States
(subject to change)