Allegiance USA 3744-512 General Purpose Ground Thread Hand Plug Tap, 5/16-18 UNC, 4 Flute, HSS
Allegiance® General Purpose Ground Thread Hand Tap, Measuring System: SAE, Tap Style: Plug, 5/16"", 18 Pitch, UNC Thread, Pitch Diameter Limits: H1, 1-1/8"" Thread Length, 4 Flute, Right Hand Cutting Direction, 2-23/32"" Overall Length, High Speed Steel, Tin Coated, For Hand Use or Under Power