Bolt Diameter x Pitch | Thread Stress Area mm2 |
*When μ = 0.10 Results in: |
*When μ = 0.14 Results in: |
||
---|---|---|---|---|---|
Tightening Torque Nm |
Pre-load kN |
Tightening Torque Nm |
Pre-load kN |
||
M5 x 0.8 | 14.2 | 1.9 | 2.74 | 2.4 | 2.59 |
M6 x 1 | 20.1 | 3.3 | 3.87 | 4.1 | 3.65 |
M8 x 1.25 | 36.6 | 8.0 | 7.10 | 10.1 | 6.7 |
M10 x 1.5 | 58.0 | 16.1 | 11.3 | 20.3 | 10.7 |
M12 x 1.75 | 84.3 | 27 | 16.4 | 34 | 15.5 |
M14 x 2 | 115 | 44 | 22.5 | 55 | 21.3 |
M16 x 2 | 157 | 67 | 30.9 | 85 | 29.3 |
M18 x 2.5 | 192 | 93 | 37.7 | 118 | 35.7 |
M20 x 2.5 | 245 | 131 | 48.3 | 167 | 45.8 |
M22 x 2.5 | 302 | 176 | 60.1 | 225 | 57.1 |
M24 x 3 | 353 | 226 | 69.5 | 287 | 65.9 |
M27 x 3 | 459 | 331 | 91.2 | 424 | 86.7 |
M30 x 3.5 | 561 | 450 | 111.0 | 575 | 105.3 |
Bolt Diameter x Pitch | Thread Stress Area mm2 |
*When μ = 0.10 Results in: |
*When μ = 0.14 Results in: |
||
---|---|---|---|---|---|
Tightening Torque Nm |
Pre-load kN |
Tightening Torque Nm |
Pre-load kN |
||
M5 x 0.8 | 14.2 | 5.2 | 7.4 | 6.5 | 7.0 |
M6 x 1 | 20.1 | 9.0 | 10.4 | 11.3 | 9.9 |
M8 x 1.25 | 36.6 | 21.6 | 19.1 |
27.3 | 18.1 |
M10 x 1.5 | 58.0 | 43 |
30.3 |
54 | 28.8 |
M12 x 1.75 | 84.3 | 73 | 44.1 |
93 | 41.9 |
M14 x 2 | 115 | 117 | 60.6 |
148 | 57.5 |
M16 x 2 | 157 | 180 | 82.9 |
230 | 78.8 |
M18 x 2.5 | 192 | 259 | 104 | 329 | 99 |
M20 x 2.5 | 245 | 363 | 134 | 464 | 127 |
M22 x 2.5 | 302 | 495 | 166 | 634 | 158 |
M24 x 3 | 353 | 625 | 192 | 798 | 183 |
M27 x 3 | 459 | 915 | 252 | 1176 | 240 |
M30 x 3.5 | 561 | 1246 | 307 | 1597 | 292 |
Bolt Diameter x Pitch | Thread Stress Area mm2 |
*When μ = 0.10 Results in: |
*When μ = 0.14 Results in: |
||
---|---|---|---|---|---|
Tightening Torque Nm |
Pre-load kN |
Tightening Torque Nm |
Pre-load kN |
||
M5 x 0.8 | 14.2 | 7.6 | 10.8 | 9.5 | 10.3 |
M6 x 1 | 20.1 | 13.2 | 15.3 | 16.5 | 14.5 |
M8 x 1.25 | 36.6 | 31.8 | 28.0 | 40.1 | 26.6 |
M10 x 1.5 | 58.0 | 63 | 44.5 | 79 | 42.2 |
M12 x 1.75 | 84.3 | 108 | 64.8 | 137 | 61.5 |
M14 x 2 | 115 | 172 | 88.9 | 218 | 84.4 |
M16 x 2 | 157 | 264 | 121.7 | 338 | 115.7 |
M18 x 2.5 | 192 | 369 | 149 | 469 | 141 |
M20 x 2.5 | 245 | 517 | 190 | 661 | 181 |
M22 x 2.5 | 302 | 704 | 237 | 904 | 225 |
M24 x 3 | 353 | 890 | 274 | 1136 | 260 |
M27 x 3 | 459 | 1304 | 359 | 1674 | 342 |
M30 x 3.5 | 561 | 1775 | 437 |
2274 | 416 |
M33 x 3.5 | 694 | 2392 | 543 | 3078 | 517 |
M36 x 4 | 817 | 3082 | 638 | 3957 | 608 |
M39 x 4 | 976 | 3975 | 765 | 5123 | 729 |
Bolt Diameter x Pitch | Thread Stress Area mm2 |
*When μ = 0.10 Results in: |
*When μ = 0.14 Results in: |
||
---|---|---|---|---|---|
Tightening Torque Nm |
Pre-load kN |
Tightening Torque Nm |
Pre-load kN |
||
M5 x 0.8 | 14.2 | 8.9 | 12.7 | 11.2 | 12.0 |
M6 x 1 | 30.1 | 15.4 | 17.9 | 19.3 | 17.0 |
M8 x 1.25 | 36.6 | 37.2 | 32.8 | 46.9 | 31.1 |
M10 x 1.5 | 58.0 | 73 | 52.1 | 93 | 49.4 |
M12 x 1.75 | 84.3 | 126 | 75.9 | 160 | 72.0 |
M14 x 2 | 115 | 201 | 104.1 | 255 | 98.9 |
M16 x 2 | 157 | 309 | 142.4 | 395 | 135.4 |
M18 x 2.5 | 192 | 432 | 174 | 549 | 165 |
M20 x 2.5 | 245 | 605 | 223 | 773 | 212 |
M22 x 2.5 | 302 | 824 | 277 | 1057 | 264 |
M24 x 3 | 353 | 1041 | 320 | 1329 | 305 |
M27 x 3 | 459 | 1526 | 420 | 1959 | 400 |
M30 x 3.5 | 561 | 2077 | 511 | 2662 | 487 |
M33 x 3.5 | 694 | 2799 | 635 | 3601 | 605 |
M36 x 4 | 817 | 3607 | 747 | 4631 | 711 |
M39 x 4 | 976 | 4652 | 895 | 5994 | 853 |
Bolt Diameter | Tensile Stress Area Inch2 | Tensile Strength lb | Proof Load lbs | Clamp Load lbs | When | ||
---|---|---|---|---|---|---|---|
*K=.20 Plain (Dry) lb.ft |
*K=.15 Lightly Lubricated lb.ft |
*K=.10 Well Lubricated lb.ft |
|||||
1/4-20 | 0.0318 | 3800 | 2700 | 2025 | 8 | 6 | 4 |
5/16-18 | 0.0524 | 6300 | 4450 | 3338 | 17 | 13 | 9 |
3/8-16 | 0.0775 | 9300 | 6600 | 4950 | 31 | 23 | 15 |
7/16-14 | 0.1063 | 1280 | 9050 | 6788 | 49 | 35 | 25 |
1/2-13 | 0.1419 | 1700 | 12100 | 9038 | 75 | 55 | 38 |
9/16-12 | 0.1820 | 21800 | 15500 | 11588 | 109 | 80 | 54 |
5/8-11 | 0.2260 | 27100 | 19200 | 14400 | 150 | 110 | 75 |
3/4-10 | 0.3340 | 40100 | 28400 | 21300 | 266 | 200 | 133 |
7/8-9 | 0.4620 | 55400 | 39300 | 29438 | 429 | 320 | 215 |
1-8 | 0.6060 | 72700 | 51500 | 38625 | 644 | 480 | 322 |
1 1/8-7 | 0.7630 | 80100 | 56500 | 42338 | 794 | 600 | 397 |
1 1/4-7 | 0.9690 | 101700 | 71700 | 53775 | 1120 | 840 | 560 |
1 3/8-6 | 1.1550 | 121300 | 85500 | 64088 | 1469 | 1100 | 734 |
1 1/2-6 | 1.4050 | 147500 | 104000 | 78000 | 1950 | 1460 | 975 |
Bolt Diameter | Tensile Stress Area Inch2 | Tensile Strength lb | Proof Load lbs | Clamp Load lbs | When | ||
---|---|---|---|---|---|---|---|
*K=.20 Plain (Dry) lb.ft |
*K=.15 Lightly Lubricated lb.ft |
*K=.10 Well Lubricated lb.ft |
|||||
1/4-20 | 0.0318 | 4750 | 3800 | 2850 | 12 | 9 | 6 |
5/16-18 | 0.0524 | 7850 | 6300 | 4725 | 25 | 18 | 12 |
3/8-16 | 0.0775 | 11600 | 9300 | 6975 | 44 | 35 | 22 |
7/16-14 | 0.1063 | 15900 | 12800 | 9563 | 70 | 55 | 35 |
1/2-13 | 0.1419 | 21300 | 17000 | 12788 | 107 | 80 | 53 |
9/16-12 | 0.1820 | 27300 | 21800 | 16388 | 154 | 110 | 77 |
5/8-11 | 0.2260 | 33900 | 27100 | 20325 | 212 | 170 | 106 |
3/4-10 | 0.3340 | 50100 | 40100 | 30075 | 376 | 280 | 188 |
7/8-9 | 0.4620 | 69300 | 55400 | 41588 | 606 | 460 | 303 |
1-8 | 0.6060 | 90900 | 72700 | 54525 | 909 | 680 | 454 |
1 1/8-7 | 0.7630 | 114400 | 91600 | 68663 | 1287 | 960 | 644 |
1 1/4-7 | 0.9690 | 145400 | 116300 | 90000 | 1875 | 1360 | 938 |
1 3/8-6 | 1.1550 | 173200 | 138600 | 103950 | 2382 | 1780 | 1191 |
1 1/2-6 | 1.4050 | 210800 | 168600 | 126450 | 3161 | 2360 | 1581 |
Bolt Diameter | Tensile Stress Area Inch2 | Tensile Strength lb | Proof Load lbs | Clamp Load lbs | When | ||
---|---|---|---|---|---|---|---|
*K=.20 Plain (Dry) lb.ft |
*K=.15 Lightly Lubricated lb.ft |
*K=.10 Well Lubricated lb.ft |
|||||
.1/4-28 | 0.0364 | 4350 | 3100 | 2325 | 10 | 7 | 5 |
.5/16-24 | 0.0580 | 6950 | 4900 | 3675 | 19 | 14 | 10 |
.3/8-24 | 0.0878 | 10500 | 7450 | 5588 | 35 | 26 | 17 |
.7/16-20 | 0.1187 | 14200 | 10100 | 7575 | 55 | 41 | 28 |
.1/2-20 | 0.1599 | 19200 | 13600 | 10200 | 85 | 64 | 43 |
.9/16-18 | 0.2030 | 24400 | 17300 | 12975 | 122 | 91 | 61 |
.5/8-18 | 0.2560 | 30700 | 21800 | 16350 | 170 | 128 | 85 |
.3/4-16 | 0.3730 | 44800 | 31700 | 23775 | 297 | 223 | 149 |
.7/8-14 | 0.5090 | 61100 | 43300 | 32475 | 474 | 355 | 237 |
.1-12 | 0.6630 | 79600 | 56400 | 42300 | 705 | 529 | 353 |
1-14UNS | 0.6790 | 81500 | 57700 | 43275 | 721 | 541 | 361 |
1 1/8-12 | 0.8560 | 89900 | 63300 | 47475 | 890 | 668 | 445 |
1 1/4-12 | 1.0730 | 112700 | 79400 | 59550 | 1241 | 930 | 620 |
1 3/8-12 | 1.3150 | 138100 | 97300 | 72975 | 1672 | 1254 | 836 |
1 1/2-12 | 1.5810 | 166000 | 117000 | 87750 | 2194 | 1645 | 1097 |
Bolt Diameter | Tensile Stress Area Inch2 | Tensile Strength lb | Proof Load lbs | Clamp Load lbs | When | ||
---|---|---|---|---|---|---|---|
*K=.20 Plain (Dry) lb.ft |
*K=.15 Lightly Lubricated lb.ft |
*K=.10 Well Lubricated lb.ft |
|||||
1/4-28 | 0.0364 | 5450 | 4350 | 3263 | 14 | 10 | 7 |
5/16-24 | 0.0580 | 8700 | 6950 | 5213 | 27 | 20 | 14 |
3/8-24 | 0.0878 | 13200 | 10500 | 7875 | 49 | 37 | 25 |
7/16-20 | 0.1187 | 17800 | 14200 | 10650 | 78 | 58 | 39 |
1/2-20 | 0.1599 | 24000 | 19200 | 14400 | 120 | 90 | 60 |
9/16-18 | 0.2030 | 30400 | 24400 | 18300 | 172 | 129 | 86 |
5/8-18 | 0.2560 | 38400 | 30700 | 23025 | 240 | 180 | 120 |
3/4-16 | 0.3730 | 56000 | 44800 | 33600 | 420 | 315 | 210 |
7/8-14 | 0.5090 | 76400 | 61100 | 45825 | 668 | 501 | 334 |
1-12 | 0.6630 | 99400 | 79600 | 59700 | 995 | 746 | 498 |
1-14UNS | 0.6790 | 101900 | 81500 | 61125 | 1019 | 764 | 509 |
1 1/8-12 | 0.85601 | 128400 | 102700 | 77025 | 1444 | 1083 | 722 |
1 1/4-12 | 1.0730 | 161000 | 128800 | 96600 | 2013 | 1509 | 1006 |
1 3/8-12 | 1.3150 | 197200 | 157800 | 118350 | 2712 | 2034 | 1356 |
1 1/2-12 | 1.5810 | 237200 | 189700 | 142275 | 3557 | 2668 | 1778 |