8matl nylon, l-p-410, type 6/6 or type 6/12; 0.50 in. O/a lg; 0.25 in. Shoulder lg; 0.37 in. Shoulder end dia; 0.25 in. End dia; 45 degrees chamfer 0.10 in. Lg shoulder end; one 6-32 unc-2b 0.28 in. Min thread hole centrally located in end 0.42 in. Max dp