GOST 3128-70 Cylindrical Pins
GOST 3128-70 · Pins
This is an informational translation of a Russian national standard. The Russian original is authoritative.
GOST 3128-70 applies to unhardened cylindrical pins of product grades A, B and C with diameters from 0.6 to 50 mm.
Pin dimensions shall conform to those shown in the drawing and table.
Dimensions, mm
| Designation of the referenced regulatory document | Clause number |
|---|---|
| GOST 26862-86 | 18 |
| d | 0.6 | 0.8 | 1.0 | 1.2 | 1.5 (1.6) | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 16 | 20 | 25 | 30 (32) | 40 | 50 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| with « | 0.12 | 0.16 | 0.20 | 0.25 | 0.3 | 0.35 | 0.4 | 0.5 | 0.63 | 0.8 | 1.2 | 1.6 | 2 | 2.5 | 3 | 3.5 | 4 | 5 | 6.3 | 8 |
| but « | 0.08 | 0.10 | 0.12 | 0.16 | 0.2 | 0.25 | 0.3 | 0.4 | 0.5 | 0.63 | 0.8 | 1.0 | 1.2 | 1.6 | 2 | 2.5 | 3 | 4 | 5 | 6.3 |
| 1 | Theoretical mass of 1000 pcs of steel pins, kg | |||||||||||||||||||
| 2 | 0.004 | 0.008 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 2.5 | 0.006 | 0.010 | 0.015 | 0.021 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 3 | 0.007 | 0.012 | 0.018 | 0.026 | 0.047 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 4 | 0.009 | 0.016 | 0.025 | 0.035 | 0.056 | 0.099 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 5 | 0.011 | 0.020 | 0.031 | 0.044 | 0.067 | 0.123 | 0.193 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 6 | 0.013 | 0.024 | 0.037 | 0.052 | 0.083 | 0.148 | 0.231 | 0.33 | - | - | - | - | - | - | - | - | - | - | - | - |
| 8 | 0.018 | 0.032 | 0.049 | 0.070 | 0.110 | 0.197 | 0.308 | 0.44 | 0.78 | - | - | - | - | - | - | - | - | - | - | - |
| 10 | - | 0.039 | 0.062 | 0.088 | 0.140 | 0.247 | 0.385 | 0.55 | 0.98 | 1.54 | - | - | - | - | - | - | - | - | - | - |
| 12 | - | 0.047 | 0.074 | 0.107 | 0.168 | 0.290 | 0.462 | 0.66 | 1.18 | 1.85 | 2.64 | - | - | - | - | - | - | - | - | - |
| 14 | - | 0.055 | 0.086 | 0.125 | 0.196 | 0.345 | 0.540 | 0.77 | 1.38 | 2.16 | 3.11 | - | - | - | - | - | - | - | - | - |
| 16 | - | - | 0.097 | 0.142 | 0.223 | 0.394 | 0.617 | 0.88 | 1.58 | 2.47 | 3.55 | 6.32 | - | - | - | - | - | - | - | - |
| 18 | - | - | - | 0.161 | 0.290* | 0.440 | 0.700 | 1.00 | 1.77 | 2.80 | 4.00 | 7.10 | 11.10 | - | - | - | - | - | - | - |
| 20 | - | - | - | 0.178 | 0.316 | 0.493 | 0.771 | 1.11 | 1.97 | 3.08 | 4.44 | 7.90 | 12.33 | - | - | - | - | - | - | - |
| 22 | - | - | - | 0.198 | 0.352* | 0.540 | 0.847 | 1.22 | 2.17 | 3.40 | 4.90 | 8.70 | 13.60 | 19.5 | - | - | - | - | - | - |
| 24 | - | - | - | 0.216 | 0.383* | 0.590 | 0.920 | 1.33 | 2.37 | 3.70 | 5.30 | 9.50 | 14.80 | 21.3 | - | - | - | - | - | - |
| 25 | - | - | - | 0.220 | 0.395 | 0.617 | 0.964 | 1.39 | 2.47 | 3.85 | 5.55 | 9.86 | 15.41 | 22.20 | - | - | - | - | - | - |
| 26 | - | - | - | - | 0.415* | 0.640 | 1.000 | 1.44 | 2.56 | 4.00 | 5.80 | 10.30 | 16.00 | 23.10 | 41.0 | - | - | - | - | - |
| 28 | - | - | - | - | 0.450* | 0.690 | 1.080 | 1.55 | 2.76 | 4.30 | 6.20 | 11.10 | 17.30 | 24.90 | 44.2 | - | - | - | - | - |
| 30 | - | - | - | - | 0.473 | 0.740 | 1.160 | 1.66 | 2.94 | 4.62 | 6.66 | 11.85 | 18.50 | 26.63 | 47.3 | - | - | - | - | - |
| 32 | - | - | - | - | - | 0.790 | 1.277 | 1.78 | 3.16 | 4.90 | 7.10 | 12.60 | 19.70 | 28.40 | 50.50 | - | - | - | - | - |
| 35 | - | - | - | - | - | 0.860 | 1.390 | 1.94 | 3.45 | 5.40 | 7.80 | 13.80 | 21.60 | 31.10 | 55.20 | 86.30 | - | - | - | - |
| (36) | - | - | - | - | - | 0.888 | 1.430 | 2.00 | 3.55 | 5.50 | 8.00 | 14.20 | 22.20 | 31.97 | 56.80 | 88.80 | - | - | - | - |
| 40 | - | - | - | - | - | 0.986 | 1.540 | 2.22 | 3.95 | 6.16 | 8.88 | 15.80 | 24.66 | 35.61 | 63.1 | 99 | - | - | - | - |
| 45 | - | - | - | - | - | - | 1.730 | 2.50 | 4.44 | 6.93 | 9.99 | 17.78 | 27.74 | 39.95 | 71.0 | 110 | - | - | - | - |
| 50 | - | - | - | - | - | - | 1.930 | 2.77 | 4.93 | 7.71 | 11.10 | 19.75 | 30.83 | 44.39 | 78.9 | 122 | 193 | - | - | - |
| 55 | - | - | - | - | - | - | - | 3.05 | 5.42 | 8.48 | 12.21 | 21.73 | 33.91 | 48.83 | 86.8 | 136 | 212 | - | - | - |
| 60 | - | - | - | - | - | - | - | 3.33 | 5.92 | 9.25 | 13.32 | 23.70 | 36.99 | 53.27 | 94.7 | 148 | 231 | 379 | - | - |
| 65 | - | - | - | - | - | - | - | - | 6.41 | 10.00 | 14.40 | 25.70 | 40.10 | 57.70 | 102.6 | 160 | 250 | 410 | - | - |
| 70 | - | - | - | - | - | - | - | - | 6.90 | 10.79 | 15.54 | 27.65 | 43.16 | 62.15 | 110.0 | 173 | 270 | 442 | - | - |
| 75 | - | - | - | - | - | - | - | - | 7.40 | 11.60 | 16.7 | 29.60 | 46.30 | 66.60 | 118.4 | 185 | 289 | 416.2 473.5* | - | - |
| 80 | - | - | - | - | - | - | - | - | 7.89 | 12.33 | 17.76 | 31.60 | 49.32 | 71.02 | 126.0 | 197 | 308 | 505 | 789 | - |
| 85 | - | - | - | - | - | - | - | - | - | 13.10 | 18.90 | 33.60 | 52.4 | 75.5 | 134.1 | 209.6 | 327.5 | 471.7 536.6* | 838.5 | - |
| 90 | - | - | - | - | - | - | - | - | - | 13.87 | 19.98 | 35.55 | 55.49 | 79.90 | 142.0 | 222 | 347 | 568 | 888 | - |
| 95 | - | - | - | - | - | - | - | - | - | 14.60 | 21.1 | 37.5 | 58.6 | 84.4 | 149.9 | 234.3 | 366 | 527.2 599.7* | 937.2 | - |
| 100 | - | - | - | - | - | - | - | - | - | 15.41 | 22.20 | 39.50 | 61.65 | 88.78 | 158.0 | 247 | 385 | 631 | 986 | 1541 |
| 110 | - | - | - | - | - | - | - | - | - | - | 24.42 | 43.45 | 67.82 | 97.66 | 174.0 | 271 | 424 | 694 | 1085 | 1695 |
| 120 | - | - | - | - | - | - | - | - | - | - | 26.64 | 47.40 | 73.98 | 106.54 | 189.0 | 296 | 462 | 758 | 1184 | 1849 |
| 140 | - | - | - | - | - | - | - | - | - | - | - | 55.30 | 86.31 | 124.37 | 220.0 | 345 | 539 | 884 | 1381 | 2158 |
| 160 | - | - | - | - | - | - | - | - | - | - | - | 63.20 | 98.64 | 142.06 | 252.0 | 395 | 616 | 1010 | 1578 | 2466 |
| 180 | - | - | - | - | - | - | - | - | - | - | - | - | - | 294.0 | 444 | 693 | 1136 | 1775 | 2774 | |
| 200 | - | - | - | - | - | - | - | - | - | - | - | - | - | 316.0 | 493 | 771 | 1263 | 1973 | 3082 | |
| 220 | - | - | - | - | - | - | - | - | - | - | - | - | - | 346.0 | 543 | 848 | 1389 | 2170 | 3391 | |
| 250 | - | - | - | - | - | - | - | - | - | - | - | - | - | 394.0 | 617 | 963 | 1578 | 2466 | 3853 | |
| 280 | - | - | - | - | - | - | - | - | - | - | - | - | - | 441.0 | 690 | 1079 | 1768 | 2762 | 4315 |
Example of designation for a type 1 pin, 10 mm in diameter, 60 mm long, without coating:
Pin 10×60 GOST 3128-70.
Same, type 2, with chemical oxide coating impregnated with oil:
Pin 2.10×60. Chem. oxide impr. GOST 3128-70.
Same, type 3:
Pin 3.10×60. Chem. oxide impr. GOST 3128-70.
Pins shall meet all requirements of GOST 26862-86 and the requirements set out in this standard.
Recommendations for pin installation
-
Fits in pin joints with type 1 cylindrical pins: interference fit — K7/m6, N7/m6; transition fit — H7/m6; clearance fit — F7/m6.
-
Fits in pin joints with type 2 cylindrical pins: transition fits — R8/h8, H9/h8.
-
Fit in pin joints with type 3 cylindrical pins — H12/h11.
The standard corresponds to DIN 7, DIN 6325 and ISO 2338.
Estimate for the “GOST 3128-70” category
Send a specification or specify volumes — we will prepare a commercial proposal with timelines and payment terms within one business day.