IS: 4218-1967 ISO Matric screw threads:-Limits for sizes for commercial bolts and nuts
Indian Standard Institution
IS: 4218-1967 ISO Matric screw threads:-Limits for sizes for commercial bolts and nuts - I.S.I Manak Bhavan 1967 - 17
IS: 4218-1967 ISO Matric screw threads:-Limits for sizes for commercial bolts and nuts - I.S.I Manak Bhavan 1967 - 17