This spiral point hand tap is 3 3/8 inches long, with a 1/2"-20 UNF thread and a 0.367-inch shank diameter. This bright, right hand tap is made from high speed steel.
Technical Specs
ItemHand Tap
Thread StandardUNF
Tap FinishBright (Uncoated)
Overall Length3 3/8 in
Thread LimitH3
Thread DirectionRight Hand
Primary Material ApplicationAll Materials
65% Thread Drill Size11.60 mm
Measurement SystemFractional Inch
Series1011
Shank Length1 23/32 in
Spiral DirectionNeutral
StandardsUSCTI 302A
Tap GroupingTap
Thread Limit / Class of FitH3 / 2B
Tap StyleSpiral Point
Thread Size1/2"-20
Tap MaterialHigh Speed Steel
Thread Length1 21/32 in
75% Thread Drill Size11.40 mm
Class of Fit2B
Number of Flutes3
55% Thread Drill Size11.80 mm
Extended NeckYes
Primary Material Application ISO CodeN, P
Shank Dia.0.367 in
Shank Type - MachiningStraight
Square Size0.2750 in
Tap ChamferPlug
Threads per Inch20 TPI
Helix Angle0 Degrees
Country of OriginUnited States
(subject to change)