This spiral point hand tap is 2 1/2 inches long, with a 1/4"-28 UNF thread and a 0.255-inch shank diameter. This bright, right hand tap is made from high speed steel.
Technical Specs
ItemHand Tap
Thread StandardUNF
Tap FinishBright (Uncoated)
Overall Length2 1/2 in
Thread LimitH2
Thread DirectionRight Hand
Primary Material ApplicationAll Materials
65% Thread Drill Size7/32 in
Measurement SystemFractional Inch
Series1011
Shank Length1 1/2 in
Spiral DirectionNeutral
StandardsUSCTI 302A
Tap GroupingTap
Thread Limit / Class of FitH2 / 2B
Tap StyleSpiral Point
Thread Size1/4"-28
Tap MaterialHigh Speed Steel
Thread Length1 in
75% Thread Drill Size5.45 mm
Class of Fit2B
Number of Flutes2
55% Thread Drill Size5.70 mm
Extended NeckYes
Primary Material Application ISO CodeN, P
Shank Dia.0.255 in
Shank Type - MachiningStraight
Square Size0.1910 in
Tap ChamferPlug
Threads per Inch28 TPI
Helix Angle0 Degrees
Country of OriginUnited States
(subject to change)