IS: 4218-1967 ISO Matric screw threads:-Pitch diameter combinaton
Indian Standard Institution
IS: 4218-1967 ISO Matric screw threads:-Pitch diameter combinaton - I.S.I Manak Bhavan 1967 - 7
IS: 4218-1967 ISO Matric screw threads:-Pitch diameter combinaton - I.S.I Manak Bhavan 1967 - 7