Trapezoidal, ACME & Buttress
Buttress Thread 45°
Power and lead-screw threads transmit motion and load. Trapezoidal and ACME threads are symmetric; buttress threads carry heavy load in one direction.
- Standard
- DIN 2781
- Flank angle
- 45° buttress
- Sizes listed
- 45
- Range
- S 100 x 5 – S 1250 x 40
| 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 |
Reference values only. Verify against the current edition of the governing standard before use in production drawings or manufacturing. Provided by Micro Components as a free engineering resource.