Standard Pack = 1 piece(s). Tap Size = 3/8 inch ; TPI / Pitch = 16 ; Tap Style = Straight Flute ; Thread Type = UNC ; Thread Limit = H3 ; Chamfer = 4P - 4.5P ; Flutes = 3 ; Material = HSS ; Coating = S/O ; Overall Length = 2-15/16 inch ; Thread Length = 1-1/4 inch ; Shank Diameter = 0.381 inch ; Square Size = 0.286 inch ; Coolant Thru = No ; Length = 3.6 ; Width = 0.6 ; Height = 0.55 ;