IS: 4218-1967 ISO Matric screw threads:-Tolerancing system
Indian Standard Institution
IS: 4218-1967 ISO Matric screw threads:-Tolerancing system - I.S.I Manak Bhavan 1967 - 20
IS: 4218-1967 ISO Matric screw threads:-Tolerancing system - I.S.I Manak Bhavan 1967 - 20