General purpose spiral-flute taps are intended for threading a wide range of materials. The taps have spiral flutes that pull chips out and away from the hole as the tap moves into the hole to create threads, which helps prevent chips from packing in the hole.
Technical Specs
ItemSpiral Flute Tap
Thread StandardUNF
Tap FinishBright (Uncoated)
Overall Length3 1/8 in
Thread LimitH11
Thread DirectionRight Hand
Tap Shank StandardUSCTI Table 302
55% Thread Drill Size10.20 mm
Extended NeckYes
Primary Material Application ISO CodeN, P
Shank Type - MachiningStraight
Square Size0.2420 in
Thread Limit / Class of FitH11 / 1B
SeriesSFGP+5
StandardsUSCTI Table 302
Tap StyleSpiral Flute
Thread Size7/16"-20
Tap MaterialHigh Speed Steel
Thread Length1 7/16 in
75% Thread Drill Size9.95 mm
Class of Fit1B
Number of Flutes3
Primary Material ApplicationAluminum, Brass, Bronze, Copper, Steel