Thread StandardsThe buttress thread with 45° thread angle is used on hydraulic presses. It is used in order to avoid the development of explosive force in the nut, since the nut has to be divided into two parts for heavy press columns for technical reasons.
| Nominal Diameter |
Bolt Thread Nominal Diameter mm |
Minor Diameter mm |
Tapping Drill Size mm |
Pitch mm |
| S 100 x 5 | 100.00 | 94.25 | 95.00 | 5.00 |
| S 106 x 5 | 106.00 | 100.25 | 101.00 | 5.00 |
| S 112 x 5 | 112.00 | 106.25 | 107.00 | 5.00 |
| S 118 x 5 | 118.00 | 112.25 | 113.00 | 5.00 |
| S 125 x 5 | 125.00 | 119.25 | 120.00 | 5.00 |
| S 132 x 5 | 132.00 | 126.25 | 127.00 | 5.00 |
| S 140 x 5 | 140.00 | 134.25 | 135.00 | 5.00 |
| S 150 x 6 | 150.00 | 143.10 | 144.00 | 6.00 |
| S 160 x 6 | 160.00 | 153.10 | 154.00 | 6.00 |
| S 170 x 6 | 170.00 | 163.10 | 164.00 | 6.00 |
| S 180 x 6 | 180.00 | 173.10 | 174.00 | 6.00 |
| S 190 x 6 | 190.00 | 183.10 | 184.00 | 6.00 |
| S 200 x 8 | 200.00 | 190.80 | 192.00 | 8.00 |
| S 212 x 8 | 212.00 | 202.80 | 204.00 | 8.00 |
| S 224 x 8 | 224.00 | 214.80 | 216.00 | 8.00 |
| S 236 x 8 | 236.00 | 226.80 | 228.00 | 8.00 |
| S 250 x 8 | 250.00 | 240.80 | 242.00 | 8.00 |
| S 265 x 10 | 265.00 | 253.50 | 255.00 | 10.00 |
| S 280 x 10 | 280.00 | 268.50 | 270.00 | 10.00 |
| S 300 x 10 | 300.00 | 288.50 | 290.00 | 10.00 |
| S 315 x 10 | 315.00 | 303.50 | 305.00 | 10.00 |
| S 335 x 12 | 335.00 | 321.20 | 323.00 | 12.00 |
| S 355 x 12 | 355.00 | 341.20 | 343.00 | 12.00 |
| S 375 x 12 | 375.00 | 361.20 | 363.00 | 12.00 |
| S 400 x 16 | 400.00 | 381.60 | 384.00 | 16.00 |
| S 425 x 16 | 425,00 | 406,60 | 409,00 | 16,00 |
| S 450 x 16 | 450.00 | 431.60 | 434.00 | 16.00 |
| S 475 x 16 | 475.00 | 456.60 | 459.00 | 16.00 |
| S 500 x 16 | 500.00 | 481.60 | 484.00 | 16.00 |
| S 530 x 20 | 530.00 | 507.00 | 510.00 | 20.00 |
| S 560 x 20 | 560.00 | 537.00 | 540.00 | 20.00 |
| S 600 x 20 | 600.00 | 577.00 | 580.00 | 20.00 |
| S 630 x 20 | 630.00 | 607.00 | 610.00 | 20.00 |
| S 670 x 24 | 670.00 | 642.40 | 646.00 | 24.00 |
| S 710 x 24 | 710.00 | 682.40 | 686.00 | 24.00 |
| S 750 x 24 | 750.00 | 722.40 | 726.00 | 24.00 |
| S 800 x 32 | 800.00 | 763.20 | 768.00 | 32.00 |
| S 850 x 32 | 850.00 | 813.20 | 818.00 | 32.00 |
| S 900 x 32 | 900.00 | 863.20 | 868.00 | 32.00 |
| S 950 x 32 | 950.00 | 913.20 | 918.00 | 32.00 |
| S 1000 x 32 | 1000.00 | 963.20 | 968.00 | 32.00 |
| S 1060 x 40 | 1060.00 | 1014.00 | 1020.00 | 40.00 |
| S 1120 x 40 | 1120.00 | 1074.00 | 1080.00 | 40.00 |
| S 1180 x 40 | 1180.00 | 1134.00 | 1140.00 | 40.00 |
| S 1250 x 40 | 1250.00 | 1204.00 | 1210.00 | 40.00 |
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