1305055 is the part number of the nut.
will be suppled as 1 set=1 stud+1 nut+2 special flat washer.refer to below drawing, No4---stud,N05----nut.
these studs been heat treated to stress pressure larger than 1000MPa. special for vibrators . torque up to 400N.M if possible.
INSTALLATION INSTRUCTION:
TORQUE TO 400N.M
