This tap is made of high speed steel and has a 0.318 inch diameter, 1 19/32 inch long shank. It is designed for use with all materials, and meets the standards for USCTI. This SPGP series tap has a bright (uncoated) finish, and has fractional inch measurements. It has right hand direction with a 2.7188 inch length. Plus it has three flutes and a straight shank.
Technical Specs
ItemTap
Thread StandardUNF
Tap FinishBright (Uncoated)
Overall Length2.7188 in
Thread LimitH4
Thread DirectionRight Hand
Primary Material ApplicationAll Materials
65% Thread Drill SizeJ
Measurement SystemFractional Inch
SeriesSPGP
Shank Length1 19/32 in
Spiral DirectionNeutral
StandardsUSCTI 302A
Tap GroupingTap
Thread Limit / Class of FitH4 / H3
Tap StyleSpiral Point
Thread Size5/16"-24
Tap MaterialHigh Speed Steel
Thread Length1 1/8 in
75% Thread Drill SizeI
Class of FitH3
Number of Flutes3
55% Thread Drill Size9/32 in
Extended NeckYes
Primary Material Application ISO CodeN, P
Shank Dia.0.318 in
Shank Type - MachiningStraight
Square Size0.2380 in
Tap ChamferPlug
Threads per Inch24 TPI
Helix Angle0 Degrees
Country of OriginUnited States
(subject to change)