"ALUMINUM ALLOY 2024-T4 PER QQ-A-225/6,1.180 IN. LG,1.250 IN. DIA,HEAD DATA,0.310 IN. NOM THK W/DRIVING SLOT 0.160 IN. DEEP,0.047 IN. W,0.125 IN. LG SHANK RELIEF GROOVE,SHANK DATA,0.998 IN. DIA,0.865 IN. LG,0.307 IN. MIN,0.318 IN. MAX DEEP CENTERBORE W/THD,3/8-16 UNC3B THD,0.560 IN. THD LG W/1 EA INSERT -PART NO. NAS1395C-3L MFR 80205"