Products 2880701 Unit Price: $ 5.5850 /EA Pkg Qty: 1 Description: 1/4-28 3B 3S/P PLUG HY-PRO 7 S/O Item Category Code: OSG Product Group Code: THREADING Chamfer Length: 4P - 4.5P Coating: STEAM OXIDE Coolant Through: NO Flutes: 3 Material: HSS Overall Length: 2-1/2" Shank Diameter: 0.255" Size: 1/4" Square Size: 0.191" Style: SPIRAL POINT Thread Class: UNF Thread Length: 1" Thread Limit: 3B TPI / Pitch: 28 × Warning! You are currently logged in as a guest, please login or continue as guest.