BODY:M60 X P1.5, OD:59.8MM, L:42.6MM, BOLT: 8.8GRADE,
THREAD:M16 X P1.5 X 59.8MM, PROTECTOR:OD:28/ 10.2MM,
SHAFT:26.9MM, TOTAL L:34MM, HARDNESS:HRC 35 TO 40.