Left Hand - 0.3120" (5/16) Min Bore DIA x 0.500" (1/2) Max Bore Depth x 0.0810" Tooth Width x 0.0700" Projection x 2.50" (2-1/2) OAL x 0.0020" Radius #14-40
0.3120" (5/16) Min Bore DIA x 0.500" (1/2) Max Bore Depth x 0.0810" Tooth Width x 0.0700" Projection x 0.3125" (5/16) Shank DIA x 2.50" (2-1/2) Overall Length x 0.0020" Radius #14-40 - Carbide UN Thread Left Hand