IS 1363-1
Hexagon Head Bolts
Equivalent Standard: ISO 4016
IS 1363 was originally published in 1960 and first revised in 1967. Subsequent to the publication of 1967 edition, many changes had been agreed upon at international level which have been reflected in IS 1367 series of standards covering ‘Technical supply conditions for threaded steel fasteners’. Accordingly, the second revision was published in 1984 splitting the standard into 3 parts covering hexagon head bolts IS 1363.
- IS 1363-1 Hexagon Head Bolts
- Material Grade: ISO 4018; EU 24018
- Finish: Self, Zinc Plated, Hot Dip Galvanized
- Thread: METRIC

Technical Specification for IS 1363-1 Hexagon Head Bolts
| D | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | M27 | M30 | M36 | M42 | M48 | M56 | M64 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P | 0,8 | 1 | 1,25 | 1,5 | 1,75 | 2 | 2 | 2,5 | 2,5 | 2,5 | 3 | 3 | 3,5 | 4 | 4,5 | 5 | 5,5 | 6 | |
| K | 3,5 | 4 | 5,3 | 6,4 | 7,5 | 8,8 | 10 | 11,5 | 12,5 | 14 | 15 | 17 | 18,7 | 22,5 | 26 | 30 | 35 | 40 | |
| C max. | 0,5 | 0,5 | 0,6 | 0,6 | 0,6 | 0,6 | 0,8 | 0,8 | 0,8 | 0,8 | 0,8 | 0,8 | 0,8 | 0,8 | 1 | 1 | 1 | 1 | |
| R | 0,2 | 0,25 | 0,4 | 0,4 | 0,6 | 0,6 | 0,6 | 0,6 | 0,8 | 0,8 | 0,8 | 1 | 1 | 1 | 1,2 | 1,6 | 2 | 2 | |
| A max. | 2,4 | 3 | 4 | 4,5 | 5,3 | 6 | 6 | 7,5 | 7,5 | 7,5 | 9 | 9 | 10,5 | 12 | 13,5 | 15 | 16,5 | 28 | |
| e | DIN 558 | 8,63 | 10,89 | 14,2 | 18,72 | 20,88 | 23,91 | 26,17 | 29,56 | 32,95 | 38,42 | 39,55 | 45,2 | 50,85 | 60,79 | 71,3 | 82,6 | 93,56 | 104,86 |
| ISO 4018 | 17,59 | 19,85 | 22,78 | 37,29 | |||||||||||||||
| S | DIN 558 | 8 | 10 | 13 | 17 | 19 | 22 | 24 | 27 | 30 | 32 | 36 | 41 | 46 | 55 | 65 | 75 | 85 | 95 |
| ISO 4018 | 16 | 18 | 21 | 34 | |||||||||||||||
| L | min. | 10 | 12 | 10 | 16 | 16 | 20 | 25 | 35 | 30 | 45 | 50 | 55 | 60 | 70 | 80 | 100 | 110 | 120 |
| max. | 60 | 80 | 100 | 100 | 120 | 100 | 160 | 180 | 200 | 220 | 240 | 280 | 300 | 360 | 420 | 480 | 500 | 500 | |





