Products 1123400 Unit Price: $ 25.5500 /EA Pkg Qty: 1 Description: 9/16-18 H3 4FL PLUG Item Category Code: OSG Product Group Code: THREADING Chamfer Length: 4P - 4.5P Coating: BRIGHT Coolant Through: NO Flutes: 4 Material: HSS Overall Length: 3-19/32" Shank Diameter: 0.429" Size: 9/16 Square Size: 0.322" Style: STRAIGHT FLUTE Thread Class: UNF Thread Length: 1-21/32" Thread Limit: H3 TPI / Pitch: 18 × Warning! You are currently logged in as a guest, please login or continue as guest.