Products 1813900 Unit Price: $ 25.5350 /EA Pkg Qty: 1 Description: 1/2-20 STI H3 4FL BOTT Item Category Code: OSG Product Group Code: THREADING Chamfer Length: 1.5P - 2P Coating: BRIGHT Coolant Through: NO Flutes: 4 Material: HSS Overall Length: 3-3/8" Shank Diameter: 0.367" Size: 1/2 Square Size: 0.275" Style: STI Thread Class: UNF Thread Length: 1-21/32" Thread Limit: H3 TPI / Pitch: 20 × Warning! You are currently logged in as a guest, please login or continue as guest.