... ,X52,X56,X60,X65,X70,X80 API 5CT: J55 K 55 M65 N80 L 80 C 90 T 95 P110 H40 Q125 ... ,X42,X46,X52,X56,X60,X65,X70,X80 H40 J55 K 55M65 N80 L 80 C 90 T 95 P110 Q125 ... ,X42,X46,X52,X56,X60,X65,X70,X80 H40 J55 K 55M65 N80 L 80 C 90 T 95 P110 Q125 ...