This low shear spiral point hand tap is 2 1/2 inches long, with a 1/4"-20 UNC thread and a 0.255-inch shank diameter. This right hand tap has an H2 pitch diameter limit and is made from high speed steel.
Technical Specs
ItemHand Tap
Thread StandardUNC
Tap FinishBright (Uncoated)
Overall Length2 1/2 in
Thread LimitH2
Thread DirectionRight Hand
Primary Material ApplicationCast Iron, Steel
65% Thread Drill Size#5
Measurement SystemFractional Inch
Series1053
Shank Length1 1/2 in
Spiral DirectionNeutral
StandardsUSCTI 302A
Tap GroupingTap
Thread Limit / Class of FitH2 / 2B
Tap StyleSpiral Point
Thread Size1/4"-20
Tap MaterialHigh Speed Steel
Thread Length1 in
75% Thread Drill Size#7
Class of Fit2B
Number of Flutes2
55% Thread Drill Size#3
Extended NeckYes
Primary Material Application ISO CodeK, P
Shank Dia.0.255 in
Shank Type - MachiningStraight
Square Size0.1910 in
Tap ChamferPlug
Threads per Inch20 TPI
Helix Angle0 Degrees
Country of OriginUnited States
(subject to change)