All measurements in millimeters (mm)
Metric DIN 603 mushroom head square neck carriage bolts have a smooth domed head that prevents them from being tightened or loosened from above. The square shoulder below the head is designed to self-anchor into wood and resists turning when the nut is tightened on the treaded shaft.
| Screw thread d | M5 | M6 | MB | M 10 | M 12 | M 16 | M20 | |
|---|---|---|---|---|---|---|---|---|
| p | 1) | 0,8 | 1 | 1,25 | 1,5 | 1,75 | 2 | 2,5 |
| 2) | 16 | 18 | 22 | 26 | JO | 38 | 46 | |
| b | 3) | 22 | 24 | 28 | 32 | 36 | 44 | 52 |
| 4) | - | - | 41 | 45 | 49 | 57 | 65 | |
| dk | max. | 13,55 | 16,55 | 20,65 | 24,65 | 30,65 | 38,8 | 46,8 |
| min, | 12,45 | 15,45 | 19,35 | 23,35 | 29,35 | 37,2 | 45,2 | |
| d, 5) | max. | 5 | 6 | 8 | 10 | 12 | 16 | 20 |
| min. | 4,52 | 5,52 | 7,42 | 9,42 | 11,3 | 15,J | 19,16 | |
| r | max. | 4,1 | 4,6 | 5,6 | 6,6 | 8,75 | 12,9 | 15,9 |
| min. | 2,9 | 3,4 | 4,4 | 5,4 | 7,25 | 11,1 | 14,1 | |
| k | max, | 3,3 | 3,88 | 4,88 | 5,38 | 6,95 | 8,95 | 11,05 |
| min. | 2,7 | 3,12 | 4,12 | 4,62 | 6,05 | 8,05 | 9,95 | |
| r, | "' | 10,7 | 12,6 | 16 | 19,2 | 24,1 | 29,J | 33,9 |
| '2 | max. | 0,5 | 0,5 | 0,5 | 0,5 | 1 | 1 | 1 |
| r3 6) | max, | 0,75 | 0,9 | 1,2 | 1,5 | 1,8 | 2,4 | J |
| V 5) | max. | 5,48 | 6,48 | 8,58 | 10,58 | 12,7 | 16,7 | 20,84 |
| min. | 4,52 | 5,52 | 7,42 | 9,42 | 11,J | 15,J | 19,16 | |
| I | Shank lengths ls and lg | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominal | min, | max. | ls min | lg max | ls min | lg max | ls min | lg max | ls min | lg max | ls min | lg max | ls min | lg max | ls min | lg max |
| 16 | 15,1 | 16,9 | - | 8 | - | 10 | ||||||||||
| 20 | 18,95 | 21,05 | - | 8 | - | 10 | - | 12 | - | 14 | ||||||
| 25 | 23,95 | 26,05 | - | 8 | - | 10 | - | 12 | - | 14 | ||||||
| 30 | 28,95 | 31,05 | - | 18 | - | 10 | - | 12 | - | 14 | - | 18 | ||||
| 35 | 33,75 | 36,25 | 15 | 19 | 12 | 17 | - | 12 | - | 14 | - | 18 | ||||
| 40 | 38,75 | 41,25 | 20 | 24 | 17 | 22 | 11,75 | 18 | - | 14 | - | 18 | ||||
| 45 | 43,75 | 46,25 | 25 | 29 | 22 | 27 | 16,75 | 23 | 11,5 | 19 | - | 18 | ||||
| 50 | 48,75 | 51,25 | 30 | 34 | 27 | 32 | 21,75 | 28 | 1&;5 | 24 | - | -18 | ||||
| 55 | 53,5 | 56,5 | 35 | 39 | 32 | 37 | 26,75 | 33 | 21,5 | 29 | 16,25 | 25 | - | 23 | ||
| 60 | 58,5 | 61,5 | 40 | 44 | 37 | 42 | 31,75 | 38 | 26,5 | 34 | 21,25 | JO 35 | - | 23 | ||
| 65 | 63,5 | 66,5 | 45 | 49 | 42 | 47 | 36,75 | 43 | 31,5 | 39 | 26,75 | 40 | 17 | 27 | ||
| 70 | 68,5 | 71,5 | 50 | 54 | 47 | 52 | 41,75 | 48 | 36,5 | 44 | 31,25 | 22 | 32 | - | 28,5 | |
| 80 | 78,5 | 81,5 | 60 | 64 | 57 | 62 | 51,75 | 58 | 46,5 | 54 | 41,25 | 50 | 32 | 42 | 21,5 | 34 |
| 90 | 88,25 | 91,75 | 67 | 72 | 61,75 | 68 | 56,5 | 64 | 51,25 | 60 | 42 | 52 | 31,5 | 44 | ||
| 100 | 98,25 | 101,75 | 77 | 82 | 71,75 | 78 | 66,5 | 74 | 61,25 | 70 | 52 | 62 | 41,5 | 54 | ||
| 110 | 108,25 | 1-1-1,75 | 87 | 92 | 81,75 | 88 | 76,5 | 84 | 71,25 | 80 | 62 | 72 | 51,5 | 64 | ||
| 120 | 118,25 | 121,75 | 97 | 102 | 91,75 | 98 | 86,5 | 94 | 81,25 | 90 | 72 | 82 | 61,5 | 74 | ||
| 130 | 128 | 132 | 101 | 106 | 95,75 | 102 | 90,5 | 98 | 85,25 | 94 | 76 | 86 | 65,5 | 78 | ||
| 140 | 138 | 142 | 111 | 116 | 105,75 | 112 | 108,5 | 108 | 95,25 | 104 | 86 | 96 | 75,5 | 88 | ||
| 150 | 148 | 152 | 121 | 126 | 115,75 | 122 | 110,5 | 118 | 105,25 | 114 | 96 | 106 | 85,5 | 98 | ||
| 160 | 156 | 164 | 120,5 | 128 | 115,25 | 124 | 106 | 116 | 95,5 10 | 8 | ||||||
| 180 | 176 | 184 | 140,5 | 148 | 135,25 | 144 | 126 | 136 | 115,5 12 | 8 | ||||||
| 200 | 195,4 | 204,_6 | 160,5 | 168 | 155,25 | 164 | 146 | 156 | 135,5 14 | 8 | ||||||
| Lengths exceeding 200 mm must be graded by steps of 20 mm. The commercial lengths are indicated by their shank lengths. Intermediate lengths should be avoided wherever possible. | ||||||||||||||||
DIN 603 Weight Chart
| Screw thread d | MS | M6 | MB | M 10 | M 12 | M 16 | M20 |
|---|---|---|---|---|---|---|---|
| Length/ | Weight (7 ,85 kg/dm3) kg/1000 pieces "' | ||||||
| 16 | 4,00 | 6,90 | |||||
| 20 | 4,50 | 7,60 | 13,8 | 22,7 | |||
| 25 | 5,10 | 8,50 | 15.4 | 25,2 | |||
| 30 | 5,90 | 9,60 | 17,0 | 27,7 | 45,7 | ||
| 35 | 6,70 | 10,7 | 19,0 | 30,2 | 49,4 | ||
| 40 | 7,50 | 11,8 | 21,0 | 32,7 | 53,1 | ||
| 45 | 8,30 | 12,9 | 23,0 | 35,8 | 56,8 | ||
| 50 | 9,10 | 14,0 | 25,0 | 38,9 | 61,2 | 119 | |
| 55 | 9,90 | 15,1 | 26,9 | 42,0 | 65,6 | 126 | |
| 60 | 10,7 | 16,2 | 28,9 | 45,1 | 70,0 | 133 | |
| 65 | 11,5 | 17,3 | 30,9 | 48,2 | 74.4 | 141 | |
| 70 | 12,3 | 18,4 | 32,9 | 51,3 | 78,8 | 0.149 | 247 |
| 80 | 13,9 | 20,6 | 36,8 | 57,5 | 87,0 | 165 | 272 |
| 90 | 22,8 | 4p,8 | 63,7 | 96,0 | 181 | 297 | |
| 100 | 25,0 | 44,8 | 69,9 | 105 | 197 | 322 | |
| 110 | 27,2 | 48,8 | 76,1 | 114 | 213 | 347 | |
| 120 | 29,4 | 52,8 | 82,3 | 123 | 229 | 372 | |
| 130 | 31,6 | 56,8 | 88,5 | 132 | 245 | 397 | |
| 140 | 32,8 | 60,8 | 95,0 | 141 | 261 | 422 | |
| 150 | 35,0 | 64,8 | 101 | 150 | 277 | 447 | |
| 160 | 107 | 159 | 293 | 497 | |||
| 180 | 119 | 177 | 325 | 547 | |||
| 200 | 131 | 195 | 357 | 597 | |||
Disclaimer
Dimensional data and technical information was obtained from publicly available sources and not acquired through standards agencies. It has been completed and compiled for reference purposes only; where discrepancies are found they are subject to change without notice. KAF makes no warranties or representations regarding the accuracy and validity of the compiled information and data. Contact the relevant standards authorities for accurate and detailed information.