Maintenance gun tap. High speed steel, ground thread, plug chamfer (3-5 pitches). For use by hand or for tapping under power. They are recommended for use in through holes or blind holes which allow for chip accumulation.
Technical Specs
ItemGun Tap
Thread StandardUNC
Tap FinishBright (Uncoated)
Overall Length2.5 in
Thread LimitH2
Thread DirectionRight Hand
Primary Material ApplicationAluminum, Brass, Bronze, Copper
65% Thread Drill Size#5
Extended NeckYes
Primary Material Application ISO CodeN
Shank Dia.0.255 in
Shank Type - MachiningStraight
Square Size0.1910 in
Tap ChamferPlug
Threads per Inch20 TPI
Helix Angle0 Degrees
Thread Size1/4"-20
Tap MaterialHigh Speed Steel
Thread Length1 in
75% Thread Drill Size#7
Class of FitH3
Number of Flutes2
55% Thread Drill Size#3
Coolant FedNon-Coolant Through
Measurement SystemFractional Inch
Series7301
Shank Length1 1/2 in
Spiral DirectionNeutral
StandardsANSI
Tap GroupingTap
Thread Limit / Class of FitH2 / H3
Tap StyleSpiral Point
Country of OriginUnited States
(subject to change)