"STEEL,AMS 5643 17-4PH COND H1025; 3.550 IN. LG; 0.501 IN. MIN AND 0.511 IN. MAX HEAD DIA,0.150 IN. HEAD WIDTH; 0.2113 IN. MIN AND 0.2122 IN. MAX SHAFT DIA; 0.090 IN. W BY 0.133 IN. MIN AND 0.143 IN. MAX DIA UNDERCUT LOCATED 2.610 IN. FROM HEAD; THREADED ON ONE END 10-32 UNF-3A,0.700 IN. LG"