IS 11668 : 1985/ISO 6411 : 1982 Technical drawings - Simplified representation of centre holes
| UDC 744.43 : 621 - 229.335 : 003.62 | PGD 24 |
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| Reaffirmed 2022 |
National Foreword
This Indian Standard is identical with ISO 6411-1982 ` Technicaldrawings - Simplified representation of centre holes `issued by theInternational Organization for Standardization (ISO), was adoptedby the Indian Standards institution on the recommendation of theDrawings Sectional Committee and approval of the MechanicalEngineering Division Council.
Cross References
| International Standard | Corresponding Indian Standard |
| ISO 128 : 1982 | IS 10714 : 1983 General principles of presentation on technical drawings |
| ISO 866 : 1975 | IS 6708 : 1977 Specification for centre drills Type A |
| ISO 2540 : 1972 | IS 6709 : 1977 Specification for centre drills Type B |
| ISO 2541 : 1972 | IS 6710 : 1977 Specification for centre drills Type R |
| ISO 3098 : 1974 | IS 9609 : Part 1 : 1983 Lettering on technical drawings: Part 1 English lettering |
| ISO 6428 : 1982 | IS 10164 : 1985 Requirements to execute technical drawings for microcopying |