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GN 312
Safety tension levers
PUSH to engange
Description
Specification
Types
- Type E: angled lever
- Type D: straight lever
Steel
blackened
Tensile strength class 5.8
Ball knobs DIN 319Â
Plastic, Duroplast
black, shiny finish
Information
Safety tension levers GN 312 are used on such applications where a thoughtless or mistaken releasing or re-positioning of the tension lever could lead to an accident.
The lever in its rest position is not connected with the internal spindle and can be rotated unhindered.
The tension lever engages in the serration only after pushing it down, thus allowing clamping or unclamping.
The 'freewheel' position is re-established as soon as the handle is released.
Technical information
- Strength values of screwsÂ
GN-312
| d1 | d2 | l1 | d3 | d4 | d5 | h1 | h2 | h3 | h4 | h5 | l2 | l3 |  |
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Code | Actions | ||||||||||||||
| GN 312-21-M8-16-D | 21 | M 8 | 16 | 13.5 | 8 | 20 | - | 34.5 | 4.5 | 39 | 3 | 81 | 70 | 108 |
|
| GN 312-21-M8-16-E | 21 | M 8 | 16 | 13.5 | 8 | 20 | 37 | - | 4.5 | 62 | 3 | 75 | 70 | 108 |
|
| GN 312-21-M8-20-D | 21 | M 8 | 20 | 13.5 | 8 | 20 | - | 34.5 | 4.5 | 39 | 3 | 81 | 70 | 109 |
|
| GN 312-21-M8-20-E | 21 | M 8 | 20 | 13.5 | 8 | 20 | 37 | - | 4.5 | 62 | 3 | 75 | 70 | 109 |
|
| GN 312-21-M8-25-D | 21 | M 8 | 25 | 13.5 | 8 | 20 | - | 34.5 | 4.5 | 39 | 3 | 81 | 70 | 111 |
|
| GN 312-21-M8-25-E | 21 | M 8 | 25 | 13.5 | 8 | 20 | 37 | - | 4.5 | 62 | 3 | 75 | 70 | 111 |
|
| GN 312-21-M8-32-D | 21 | M 8 | 32 | 13.5 | 8 | 20 | - | 34.5 | 4.5 | 39 | 3 | 81 | 70 | 113 |
|
| GN 312-21-M8-32-E | 21 | M 8 | 32 | 13.5 | 8 | 20 | 37 | - | 4.5 | 62 | 3 | 75 | 70 | 113 |
|
| GN 312-21-M8-40-D | 21 | M 8 | 40 | 13.5 | 8 | 20 | - | 34.5 | 4.5 | 39 | 3 | 81 | 70 | 116 |
|
| GN 312-21-M8-40-E | 21 | M 8 | 40 | 13.5 | 8 | 20 | 37 | - | 4.5 | 62 | 3 | 75 | 70 | 116 |
|
| GN 312-21-M8-50-D | 21 | M 8 | 50 | 13.5 | 8 | 20 | - | 34.5 | 4.5 | 39 | 3 | 81 | 70 | 118 |
|
| GN 312-21-M8-50-E | 21 | M 8 | 50 | 13.5 | 8 | 20 | 37 | - | 4.5 | 62 | 3 | 75 | 70 | 118 |
|
| GN 312-21-M8-63-D | 21 | M 8 | 63 | 13.5 | 8 | 20 | - | 34.5 | 4.5 | 39 | 3 | 81 | 70 | 123 |
|
| GN 312-21-M8-63-E | 21 | M 8 | 63 | 13.5 | 8 | 20 | 37 | - | 4.5 | 62 | 3 | 75 | 70 | 123 |
|
| GN 312-24-M10-20-D | 24 | M 10 | 20 | 16 | 10 | 25 | - | 41 | 6.5 | 47 | 3.5 | 108 | 96 | 181 |
|
| GN 312-24-M10-20-E | 24 | M 10 | 20 | 16 | 10 | 25 | 44 | - | 6.5 | 78 | 3.5 | 101 | 96 | 179 |
|
| GN 312-24-M10-25-D | 24 | M 10 | 25 | 16 | 10 | 25 | - | 41 | 6.5 | 47 | 3.5 | 108 | 96 | 183 |
|
| GN 312-24-M10-25-E | 24 | M 10 | 25 | 16 | 10 | 25 | 44 | - | 6.5 | 78 | 3.5 | 101 | 96 | 181 |
|
| GN 312-24-M10-32-D | 24 | M 10 | 32 | 16 | 10 | 25 | - | 41 | 6.5 | 47 | 3.5 | 108 | 96 | 186 |
|
| GN 312-24-M10-32-E | 24 | M 10 | 32 | 16 | 10 | 25 | 44 | - | 6.5 | 78 | 3.5 | 101 | 96 | 184 |
|
| GN 312-24-M10-40-D | 24 | M 10 | 40 | 16 | 10 | 25 | - | 41 | 6.5 | 47 | 3.5 | 108 | 96 | 190 |
|
| GN 312-24-M10-40-E | 24 | M 10 | 40 | 16 | 10 | 25 | 44 | - | 6.5 | 78 | 3.5 | 101 | 96 | 188 |
|
| GN 312-24-M10-50-D | 24 | M 10 | 50 | 16 | 10 | 25 | - | 41 | 6.5 | 47 | 3.5 | 108 | 96 | 196 |
|
| GN 312-24-M10-50-E | 24 | M 10 | 50 | 16 | 10 | 25 | 44 | - | 6.5 | 78 | 3.5 | 101 | 96 | 194 |
|
| GN 312-24-M10-63-D | 24 | M 10 | 63 | 16 | 10 | 25 | - | 41 | 6.5 | 47 | 3.5 | 108 | 96 | 203 |
|
| GN 312-24-M10-63-E | 24 | M 10 | 63 | 16 | 10 | 25 | 44 | - | 6.5 | 78 | 3.5 | 101 | 96 | 201 |
|
| GN 312-24-M10-80-D | 24 | M 10 | 80 | 16 | 10 | 25 | - | 41 | 6.5 | 47 | 3.5 | 108 | 96 | 210 |
|
| GN 312-24-M10-80-E | 24 | M 10 | 80 | 16 | 10 | 25 | 44 | - | 6.5 | 78 | 3.5 | 101 | 96 | 185 |
|
| GN 312-28-M12-20-D | 28 | M 12 | 20 | 19 | 12 | 30 | - | 49 | 8.5 | 56 | 4 | 124 | 110 | 296 |
|
| GN 312-28-M12-20-E | 28 | M 12 | 20 | 19 | 12 | 30 | 53 | - | 8.5 | 93 | 4 | 116 | 110 | 299 |
|
| GN 312-28-M12-25-D | 28 | M 12 | 25 | 19 | 12 | 30 | - | 49 | 8.5 | 56 | 4 | 124 | 110 | 301 |
|
| GN 312-28-M12-25-E | 28 | M 12 | 25 | 19 | 12 | 30 | 53 | - | 8.5 | 93 | 4 | 116 | 110 | 304 |
|
| GN 312-28-M12-32-D | 28 | M 12 | 32 | 19 | 12 | 30 | - | 49 | 8.5 | 56 | 4 | 124 | 110 | 306 |
|
| GN 312-28-M12-32-E | 28 | M 12 | 32 | 19 | 12 | 30 | 53 | - | 8.5 | 93 | 4 | 116 | 110 | 309 |
|
| GN 312-28-M12-40-D | 28 | M 12 | 40 | 19 | 12 | 30 | - | 49 | 8.5 | 56 | 4 | 124 | 110 | 311 |
|
| GN 312-28-M12-40-E | 28 | M 12 | 40 | 19 | 12 | 30 | 53 | - | 8.5 | 93 | 4 | 116 | 110 | 314 |
|
| GN 312-28-M12-50-D | 28 | M 12 | 50 | 19 | 12 | 30 | - | 49 | 8.5 | 56 | 4 | 124 | 110 | 318 |
|
| GN 312-28-M12-50-E | 28 | M 12 | 50 | 19 | 12 | 30 | 53 | - | 8.5 | 93 | 4 | 116 | 110 | 321 |
|
| GN 312-28-M12-63-D | 28 | M 12 | 63 | 19 | 12 | 30 | - | 49 | 8.5 | 56 | 4 | 124 | 110 | 328 |
|
| GN 312-28-M12-63-E | 28 | M 12 | 63 | 19 | 12 | 30 | 53 | - | 8.5 | 93 | 4 | 116 | 110 | 331 |
|
| GN 312-28-M12-80-D | 28 | M 12 | 80 | 19 | 12 | 30 | - | 49 | 8.5 | 56 | 4 | 124 | 110 | 339 |
|
| GN 312-28-M12-80-E | 28 | M 12 | 80 | 19 | 12 | 30 | 53 | - | 8.5 | 93 | 4 | 116 | 110 | 350 |
|
| GN 312-33-M16-32-D | 33 | M 16 | 32 | 23 | 12 | 32 | - | 56 | 10.5 | 65 | 4.5 | 140.5 | 124 | 458 |
|
| GN 312-33-M16-32-E | 33 | M 16 | 32 | 23 | 12 | 32 | 60 | - | 10.5 | 105 | 4.5 | 131 | 124 | 455 |
|
| GN 312-33-M16-40-D | 33 | M 16 | 40 | 23 | 12 | 32 | - | 56 | 10.5 | 65 | 4.5 | 140.5 | 124 | 469 |
|
| GN 312-33-M16-40-E | 33 | M 16 | 40 | 23 | 12 | 32 | 60 | - | 10.5 | 105 | 4.5 | 131 | 124 | 460 |
|
| GN 312-33-M16-50-D | 33 | M 16 | 50 | 23 | 12 | 32 | - | 56 | 10.5 | 65 | 4.5 | 140.5 | 124 | 484 |
|
| GN 312-33-M16-50-E | 33 | M 16 | 50 | 23 | 12 | 32 | 60 | - | 10.5 | 105 | 4.5 | 131 | 124 | 492 |
|
| GN 312-33-M16-63-D | 33 | M 16 | 63 | 23 | 12 | 32 | - | 56 | 10.5 | 65 | 4.5 | 140.5 | 124 | 500 |
|
| GN 312-33-M16-63-E | 33 | M 16 | 63 | 23 | 12 | 32 | 60 | - | 10.5 | 105 | 4.5 | 131 | 124 | 508 |
|
| GN 312-33-M16-80-D | 33 | M 16 | 80 | 23 | 12 | 32 | - | 56 | 10.5 | 65 | 4.5 | 140.5 | 124 | 522 |
|
| GN 312-33-M16-80-E | 33 | M 16 | 80 | 23 | 12 | 32 | 60 | - | 10.5 | 105 | 4.5 | 131 | 124 | 530 |
|
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