Torque tools DIN 267 STANDARD TIGHTENING TORQUE BOLT PITCH AND QUALITY The numbers given in the line of text e.g. 3.6 are indexes in which the first number e.g. 3 repr

Torque tools DIN 267 STANDARD TIGHTENING TORQUE BOLT PITCH AND QUALITY The numbers given in the line of text e.g. 3.6 are indexes in which the first number e.g. 3 represents 10% of the breaking load in kg mm2 whilst the second e.g. 6 represents 10% of the ratio between the minimum elastic limit and the minimum breaking load Bolt quality 3.6 4.6 4.8 5.6 5.8 6.8 8.8 10.9 12.9 (mm) (mm) Torque (Nm) Torque (Nm) Torque (Nm) Torque (Nm) Torque (Nm) Torque (Nm) Torque (Nm) Torque (Nm) Torque (Nm) M4 3 7 0.85 1.1 1.4 1.5 1.9 2.3 2.9 4.1 4.9 M5 4 9 1.7 2.2 2.8 3.0 3.7 4.5 6.0 8.5 10 M6 5 10 2.9 3.9 4.8 5.1 6.4 7.7 10 14 17 M8 6 13 7a 9.3 12 12 16 19 25 35 41 M10 8 17 14 19 23 25 31 37 49 69 83 M12 10 19 24 32 40 43 54 65 86 120 145 M14 12 22 39 51 64 68 86 105 135 190 230 M16 14 24 59 79 98 105 130 155 210 295 355 M18 14 27 81 110 135 145 180 215 290 405 485 M20 17 30 115 155 190 205 255 305 410 580 690 M22 17 32 155 205 260 275 345 415 550 780 930 M24 19 36 265 265 330 350 440 530 710 1000 1200 M27 19 41 295 390 490 520 650 780 1050 1500 1800 M30 22 46 395 530 660 710 880 1050 1450 2000 2400 M33 24 50 540 720 900 960 1200 1450 1900 2700 3250 M36 27 55 690 920 1150 1250 1550 1850 2450 3450 4150 M39 27 60 920 1200 1500 1600 2000 2400 3200 4500 5400 M42 32 65 1100 1500 1850 1950 2450 2950 3950 5550 6650 M45 32 70 1400 1850 2300 2450 3100 3700 4950 6950 8350 M48 36 75 1700 2250 2800 3000 3750 4450 5950 8400 10100 M52 36 80 2150 2900 3600 3850 4800 5750 7650 10800 12900 M56 - 85 2700 3600 4500 4800 5950 7150 9550 13400 16100 M60 - 90 3350 4450 5550 5950 7400 8900 11900 16700 20000 M64 - 95 4000 5350 6700 7150 8950 10700 14300 20100 24100 M68 - 100 4850 6500 8100 8650 10800 13000 17300 24300 29100 N.B. The torque values are only a rough indication and have been calculated with a friction factor of 0.125 506 NORGAU