Products 1590301 Unit Price: $ 7.1650 /EA Pkg Qty: 1 Description: 1/4-28 +.005 4FL PLUG S/O TAP Item Category Code: OSG Product Group Code: TAPS Chamfer Length: 4P - 4.5P Coating: STEAM OXIDE Coolant Through: NO Flutes: 4 Material: HSS Overall Length: 2-1/2" Shank Diameter: 0.255" Size: 1/4" Square Size: 0.191" Style: STRAIGHT FLUTE Thread Class: UNF Thread Length: 1" Thread Limit: +.005 TPI / Pitch: 28 × Warning! You are currently logged in as a guest, please login or continue as guest.