Standard Pack = 1 piece(s). Surface Condition = Steam Oxide ; Material = HSS ; Tool Type = Tap ; Flute Type = Straight ; Tap Type = Hand Tap ; Tap Style = Straight Flute Hand Tap ; Hand Of Cut = Right ; Tap Construction = Standard ; Tap Spiral Point = No ; Tap Blank Construction = USCTI Table 302A ; Tap Ground Threads = Yes ; Point Style = Deg ; Tap Truncated Threads = No ; TapInterrupted Thread = No ; Tool Size = 1/4-28 UNF ; Tap Chamfer = Plug ; Diameter = 1/4 Inch ; Diameter Wire = E ; #Thread Size = 1/4 Inch ; Application = General Purpose ; Thread Pitch = 28 ; Diameter Decimal Equivalent = 0.2500 Inch ; Thread Form = UNF ; Thread Tolerance = 2B ; Number Of Flutes = 4 ; Tap Limit = H3 ; Depth Of Cut = 2 Inch ; Shank Configuration = Straight With Square ; Thread Length = 1 Inch ; Shank Size = 0.255 Inch ; Overall Length = 2.5 Inch ; Set = No ; Package Type = Snap Pack ; Shank Square Size = 0.191 Inch ; Shank Square Length = 0.3125 Inch ; Thread Creation = Thread Cutting ; Material Application = K: Cast Iron;M: Stainless Steel;N: Non-