Products 1220400 Unit Price: $ 8.1750 /EA Pkg Qty: 1 Description: 1/4-28 H1 2S/P PLUG Item Category Code: OSG Product Group Code: THREADING Chamfer Length: 4P - 4.5P Coating: BRIGHT Coolant Through: NO Flutes: 2 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: H1 TPI / Pitch: 28 × Warning! You are currently logged in as a guest, please login or continue as guest.