INDIAN STANDARD
HEXAGON HEAD BOLTS, SCREWS AND
NUTS OF PRODUCT GRADE ‘C’
PART 3 HEXAGON HEAD NUTS (SIZE RANGE M 5 TO M 64)
IS 1363 Part 3: 2002 / ISO 4034
Steel : 4, 8, 10
Finish: Self, Zinc Plated, Hot Dip Galvanized
| Table 1 - Preferred Threads | ||||||||||||||||
| Thread (d) | M5 | M6 | M8 | M10 | M12 | M16 | M20 | |||||||||
| pa | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | |||||||||
| dw | min. | 6.7 | 8.7 | 11.5 | 14.5 | 16.5 | 22 | 27.7 | ||||||||
| e | min. | 8.63 | 10.89 | 14.2 | 17.59 | 19.85 | 26.17 | 32.95 | ||||||||
| m | max. | 5.6 | 6.4 | 7.9 | 9.5 | 12.2 | 15.9 | 19 | ||||||||
| min. | 4.4 | 4.9 | 6.4 | 8 | 10.4 | 14.1 | 16.9 | |||||||||
| mw | min. | 3.5 | 3.7 | 5.1 | 6.4 | 8.3 | 11.3 | 13.5 | ||||||||
| s | nom. = | max. | 8 | 10 | 13 | 16 | 18 | 24 | 30 | |||||||
| min. | 7.64 | 9.64 | 12.57 | 15.57 | 17.57 | 23.16 | 29.16 | |||||||||
| Thread (d) | M24 | M30 | M36 | M42 | M48 | M56 | M64 | |||||||||
| pa | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | |||||||||
| dw | min. | 33.3 | 42.8 | 51.1 | 60 | 69.5 | 78.7 | 88.2 | ||||||||
| e | min. | 39.55 | 50.85 | 60.79 | 71.3 | 82.6 | 93.56 | 104.86 | ||||||||
| m | max. | 22.3 | 26.4 | 31.9 | 34.9 | 38.9 | 45.9 | 52.4 | ||||||||
| min. | 20.2 | 24.3 | 29.4 | 32.4 | 36.4 | 43.4 | 49.4 | |||||||||
| mw | min. | 16.2 | 19.4 | 23.2 | 25.9 | 29.1 | 34.7 | 39.5 | ||||||||
| s | nom. = | max. | 36 | 46 | 55 | 65 | 75 | 85 | 95 | |||||||
| min. | 35 | 45 | 53.8 | 63.1 | 73.1 | 82.8 | 92.8 | |||||||||
| Table 2 - Non Preferred Threads | ||||||||||||
| Thread (d) | M14 | M18 | M22 | M27 | M33 | |||||||
| pa | 2 | 2.5 | 2.5 | 3 | 3.5 | |||||||
| dw | min. | 19.2 | 24.9 | 31.4 | 38 | 46.6 | ||||||
| e | min. | 22.78 | 29.56 | 37.29 | 45.2 | 55.37 | ||||||
| m | max. | 13.9 | 16.9 | 20.2 | 24.7 | 29.5 | ||||||
| min. | 12.1 | 15.1 | 18.1 | 22.6 | 27.4 | |||||||
| mw | min. | 9.7 | 12.1 | 14.5 | 18.1 | 21.9 | ||||||
| s | nom. = | max. | 21 | 27 | 34 | 41 | 50 | |||||
| min. | 20.16 | 26.16 | 33 | 40 | 49 | |||||||
| Thread (d) | M39 | M45 | M52 | M60 | ||||||||
| pa | 4 | 4.5 | 5 | 5.5 | ||||||||
| dw | min. | 55.9 | 64.7 | 74.2 | 83.4 | |||||||
| e | min. | 66.44 | 76.95 | 88.25 | 99.21 | |||||||
| m | max. | 34.3 | 36.9 | 42.9 | 48.9 | |||||||
| min. | 31.8 | 34.4 | 40.4 | 46.4 | ||||||||
| mw | min. | 25.4 | 27.5 | 32.3 | 37.1 | |||||||
| s | nom. = | max. | 60 | 70 | 80 | 90 | ||||||
| min. | 58.8 | 68.1 | 78.1 | 87.8 | ||||||||
| Specifications and reference standards | |||
| Material | Steel | ||
| General requirements | International Standard | ISO 8992 | |
| Thread | Tolerance | 7H | |
| International Standards | ISO 724, ISO 965-1 | ||
| Mechanical properties | Property classa | d < M16: 5 M16 < d < M39: 4, 5 d > M39: as agreed | |
| International Standard | d < M39: ISO 898-2 d > M39: as agreed | ||
| Tolerances | Product grade | C | |
| International Standard | ISO 4759-1 | ||
| Finish and/or coating | As processed Requirements for electroplating are covered in ISO 4042 Requirements for non-electrolytically applied zinc flake coatings are covered in ISO 10683 If different electroplating requirements are desired or if requirements are needed for other finishes, they should be agreed between customer and supplier | ||
| Acceptability | For acceptance procedure, see ISO 3269 | ||
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