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-TN series tap has a TiN finish, and has fractional inch measurements. It has right hand direction with a 2-23/32 inch length. Plus it has two flutes and a straight shank.
Technical Specs
ItemTap
Thread StandardUNC
Tap FinishTiN
Overall Length2 23/32 in
Thread LimitH5
Thread DirectionRight Hand
Primary Material ApplicationAll Materials
65% Thread Drill Size17/64 in
Measurement SystemFractional Inch
SeriesSPGP-TN
Shank Length1 19/32 in
Spiral DirectionNeutral
StandardsUSCTI 302A
Tap GroupingTap
Thread Limit / Class of FitH5 / H3
Tap StyleSpiral Point
Thread Size5/16"-18
Tap MaterialHigh Speed Steel
Thread Length1 1/8 in
75% Thread Drill SizeF
Class of FitH3
Number of Flutes2
55% Thread Drill SizeI
Extended NeckYes
Primary Material Application ISO CodeM, P
Shank Dia.0.318 in
Shank Type - MachiningStraight
Square Size0.2380 in
Tap ChamferPlug
Threads per Inch18 TPI
Helix Angle0 Degrees
Country of OriginUnited States
(subject to change)