Products 1400145901 Unit Price: $ 31.1350 /EA Pkg Qty: 1 Description: 1/2-20 H9 4.5P NRT S/O TAP Item Category Code: OSG Product Group Code: TAPS Chamfer Length: 4.5P Coating: STEAM OXIDE Coolant Through: NO Material: HSS-CO Overall Length: 3-3/8" Shank Diameter: 0.367" Size: 1/2" Square Size: 0.275" Style: FORMING Thread Class: UNF Thread Length: 1-21/32" Thread Limit: H9 TPI / Pitch: 20 × Warning! You are currently logged in as a guest, please login or continue as guest.