4 Flutes, 0.8800 Inch Thread Length, 5/16-18 UNC, Nitride Oxide Coating, High Speed Steel, Cleanout Tap 2-23/32 Inch Overall Length, 3/8 Inch Square Length, 0.238 Inch Square Size, 0.318 Inch Shank Diameter, Modified Bottoming (Pkg Qty=1)
Item not returnable!