This CNC tap is made of high speed steel and has a 0.3125 inch diameter, ⅜ 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 5/7 inch length. Plus it has three flutes and a straight shank.
Technical Specs
ItemSpiral Point Tap
Thread StandardUNC
Tap FinishTiN
Overall Length2 5/7 in
Thread LimitH3
Thread DirectionRight Hand
Primary Material ApplicationStainless Steel, Steel
65% Thread Drill Size17/64 in
Material Grade - MachiningCNC
Primary Material Application ISO CodeM, P
Shank Dia.1/3 in
Shank Type - MachiningStraight
Square Size1/4 in
Tap ChamferBottoming
Threads per Inch18 TPI
Helix Angle40 Degrees
Thread Size5/16 in
Tap MaterialHigh Speed Steel
Thread Length1.125 in
75% Thread Drill SizeF
Class of Fit2B
Number of Flutes3
55% Thread Drill SizeI
Extended NeckYes
Measurement SystemFractional Inch
SeriesSPGP-TN
Shank Length0.375 in
Spiral DirectionRight Hand
StandardsUSCTI 302A
Tap GroupingTap
Thread Limit / Class of FitH3 / 2B
Tap StyleSpiral Point
Country of OriginUnited States
(subject to change)