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GN 251
Setting bolts
Description
Specification
Types
- Type AK: Locating surface with rounded end, hardened
- Type BK: Locating surface with Polyurethan disc
Screw
Steel, tensile strength class 5.8
Type AK
blackened
Locating surface, hardened (HRC 45)
Type BK
nickel plated
Polyurethan disc, 90 Shore
Hexagon nut
Steel zinc plated, blue passivated
Information
Setting bolts GN 251 are produced with a hardened and rounded head which can be used as support or setting bolt as an end stop.
The version with Polyurethan disc (Type BK) functions as damping element or protection for sensitive surfaces.
Technical information
- Strength values of screwsÂ
GN 251
| d1 | l1 | d2 | e | k1 | k2 | k3 | l2 max. | l3 | s |  |
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Code | Actions | |||||||||||
| GN 251-M3-10-AK | M 3 | 10 | - | 6.4 | 2 | 2.4 | - | 1.5 | - | 5.5 | 1 |
|
| GN 251-M3-15-AK | M 3 | 15 | - | 6.4 | 2 | 2.4 | - | 1.5 | - | 5.5 | 1 |
|
| GN 251-M3-20-AK | M 3 | 20 | - | 6.4 | 2 | 2.4 | - | 1.5 | - | 5.5 | 2 |
|
| GN 251-M3-25-AK | M 3 | 25 | - | 6.4 | 2 | 2.4 | - | 1.5 | - | 5.5 | 2 |
|
| GN 251-M3-30-AK | M 3 | 30 | - | 6.4 | 2 | 2.4 | - | 1.5 | - | 5.5 | 2 |
|
| GN 251-M4-10-AK | M 4 | 10 | - | 8.1 | 2.8 | 3.2 | - | 2.1 | - | 7 | 2 |
|
| GN 251-M4-15-AK | M 4 | 15 | - | 8.1 | 2.8 | 3.2 | - | 2.1 | - | 7 | 3 |
|
| GN 251-M4-15-BK | M 4 | 15 | 5 | 8.1 | 2.8 | - | 2.4 | 2.1 | 1.5 | 7 | 3 |
|
| GN 251-M4-20-AK | M 4 | 20 | - | 8.1 | 2.8 | 3.2 | - | 2.1 | - | 7 | 3 |
|
| GN 251-M4-20-BK | M 4 | 20 | 5 | 8.1 | 2.8 | - | 2.4 | 2.1 | 1.5 | 7 | 3 |
|
| GN 251-M4-25-AK | M 4 | 25 | - | 8.1 | 2.8 | 3.2 | - | 2.1 | - | 7 | 3 |
|
| GN 251-M4-25-BK | M 4 | 25 | 5 | 8.1 | 2.8 | - | 2.4 | 2.1 | 1.5 | 7 | 4 |
|
| GN 251-M4-30-AK | M 4 | 30 | - | 8.1 | 2.8 | 3.2 | - | 2.1 | - | 7 | 4 |
|
| GN 251-M4-30-BK | M 4 | 30 | 5 | 8.1 | 2.8 | - | 2.4 | 2.1 | 1.5 | 7 | 4 |
|
| GN 251-M4-35-AK | M 4 | 35 | - | 8.1 | 2.8 | 3.2 | - | 2.1 | - | 7 | 5 |
|
| GN 251-M4-35-BK | M 4 | 35 | 5 | 8.1 | 2.8 | - | 2.4 | 2.1 | 1.5 | 7 | 4 |
|
| GN 251-M4-40-AK | M 4 | 40 | - | 8.1 | 2.8 | 3.2 | - | 2.1 | - | 7 | 4 |
|
| GN 251-M4-40-BK | M 4 | 40 | 5 | 8.1 | 2.8 | - | 2.4 | 2.1 | 1.5 | 7 | 5 |
|
| GN 251-M5-10-AK | M 5 | 10 | - | 9.2 | 3.5 | 4 | - | 2.4 | - | 8 | 4 |
|
| GN 251-M5-15-AK | M 5 | 15 | - | 9.2 | 3.5 | 4 | - | 2.4 | - | 8 | 4 |
|
| GN 251-M5-15-BK | M 5 | 15 | 6 | 9.2 | 3.5 | - | 3.2 | 2.4 | 1.5 | 8 | 4 |
|
| GN 251-M5-20-AK | M 5 | 20 | - | 9.2 | 3.5 | 4 | - | 2.4 | - | 8 | 5 |
|
| GN 251-M5-20-BK | M 5 | 20 | 6 | 9.2 | 3.5 | - | 3.2 | 2.4 | 1.5 | 8 | 5 |
|
| GN 251-M5-25-AK | M 5 | 25 | - | 9.2 | 3.5 | 4 | - | 2.4 | - | 8 | 5 |
|
| GN 251-M5-25-BK | M 5 | 25 | 6 | 9.2 | 3.5 | - | 3.2 | 2.4 | 1.5 | 8 | 5 |
|
| GN 251-M5-30-AK | M 5 | 30 | - | 9.2 | 3.5 | 4 | - | 2.4 | - | 8 | 6 |
|
| GN 251-M5-30-BK | M 5 | 30 | 6 | 9.2 | 3.5 | - | 3.2 | 2.4 | 1.5 | 8 | 6 |
|
| GN 251-M5-35-AK | M 5 | 35 | - | 9.2 | 3.5 | 4 | - | 2.4 | - | 8 | 6 |
|
| GN 251-M5-35-BK | M 5 | 35 | 6 | 9.2 | 3.5 | - | 3.2 | 2.4 | 1.5 | 8 | 62 |
|
| GN 251-M5-40-AK | M 5 | 40 | - | 9.2 | 3.5 | 4 | - | 2.4 | - | 8 | 7 |
|
| GN 251-M5-40-BK | M 5 | 40 | 6 | 9.2 | 3.5 | - | 3.2 | 2.4 | 1.5 | 8 | 7 |
|
| GN 251-M5-50-AK | M 5 | 50 | - | 9.2 | 3.5 | 4 | - | 2.4 | - | 8 | 8 |
|
| GN 251-M6-15-AK | M 6 | 15 | - | 11.5 | 4 | 5 | - | 3 | - | 10 | 7 |
|
| GN 251-M6-20-AK | M 6 | 20 | - | 11.5 | 4 | 5 | - | 3 | - | 10 | 8 |
|
| GN 251-M6-20-BK | M 6 | 20 | 8 | 11.5 | 4 | - | 3.6 | 3 | 2 | 10 | 7 |
|
| GN 251-M6-25-AK | M 6 | 25 | - | 11.5 | 4 | 5 | - | 3 | - | 10 | 9 |
|
| GN 251-M6-25-BK | M 6 | 25 | 8 | 11.5 | 4 | - | 3.6 | 3 | 2 | 10 | 8 |
|
| GN 251-M6-30-AK | M 6 | 30 | - | 11.5 | 4 | 5 | - | 3 | - | 10 | 10 |
|
| GN 251-M6-30-BK | M 6 | 30 | 8 | 11.5 | 4 | - | 3.6 | 3 | 2 | 10 | 9 |
|
| GN 251-M6-35-AK | M 6 | 35 | - | 11.5 | 4 | 5 | - | 3 | - | 10 | 11 |
|
| GN 251-M6-35-BK | M 6 | 35 | 8 | 11.5 | 4 | - | 3.6 | 3 | 2 | 10 | 10 |
|
| GN 251-M6-40-AK | M 6 | 40 | - | 11.5 | 4 | 5 | - | 3 | - | 10 | 12 |
|
| GN 251-M6-40-BK | M 6 | 40 | 8 | 11.5 | 4 | - | 3.6 | 3 | 2 | 10 | 11 |
|
| GN 251-M6-45-BK | M 6 | 45 | 8 | 11.5 | 4 | - | 3.6 | 3 | 2 | 10 | 12 |
|
| GN 251-M6-50-AK | M 6 | 50 | - | 11.5 | 4 | 5 | - | 3 | - | 10 | 13 |
|
| GN 251-M6-50-BK | M 6 | 50 | 8 | 11.5 | 4 | - | 3.6 | 3 | 2 | 10 | 12 |
|
| GN 251-M8-15-AK | M 8 | 15 | - | 15 | 5.5 | 6.5 | - | 3.7 | - | 13 | 15 |
|
| GN 251-M8-20-AK | M 8 | 20 | - | 15 | 5.5 | 6.5 | - | 3.7 | - | 13 | 16 |
|
| GN 251-M8-20-BK | M 8 | 20 | 10 | 15 | 5.5 | - | 5 | 3.7 | 2 | 13 | 15 |
|
| GN 251-M8-25-AK | M 8 | 25 | - | 15 | 5.5 | 6.5 | - | 3.7 | - | 13 | 18 |
|
| GN 251-M8-25-BK | M 8 | 25 | 10 | 15 | 5.5 | - | 5 | 3.7 | 2 | 13 | 17 |
|
| GN 251-M8-30-AK | M 8 | 30 | - | 15 | 5.5 | 6.5 | - | 3.7 | - | 13 | 20 |
|
| GN 251-M8-30-BK | M 8 | 30 | 10 | 15 | 5.5 | - | 5 | 3.7 | 2 | 13 | 18 |
|
| GN 251-M8-35-AK | M 8 | 35 | - | 15 | 5.5 | 6.5 | - | 3.7 | - | 13 | 20 |
|
| GN 251-M8-35-BK | M 8 | 35 | 10 | 15 | 5.5 | - | 5 | 3.7 | 2 | 13 | 20 |
|
| GN 251-M8-40-AK | M 8 | 40 | - | 15 | 5.5 | 6.5 | - | 3.7 | - | 13 | 23 |
|
| GN 251-M8-40-BK | M 8 | 40 | 10 | 15 | 5.5 | - | 5 | 3.7 | 2 | 13 | 22 |
|
| GN 251-M8-45-BK | M 8 | 45 | 10 | 15 | 5.5 | - | 5 | 3.7 | 2 | 13 | 23 |
|
| GN 251-M8-50-AK | M 8 | 50 | - | 15 | 5.5 | 6.5 | - | 3.7 | - | 13 | 26 |
|
| GN 251-M8-50-BK | M 8 | 50 | 10 | 15 | 5.5 | - | 5 | 3.7 | 2 | 13 | 24 |
|
| GN 251-M8-60-AK | M 8 | 60 | - | 15 | 5.5 | 6.5 | - | 3.7 | - | 13 | 28 |
|
| GN 251-M8-70-AK | M 8 | 70 | - | 15 | 5.5 | 6.5 | - | 3.7 | - | 13 | 32 |
|
| GN 251-M8-80-AK | M 8 | 80 | - | 15 | 5.5 | 6.5 | - | 3.7 | - | 13 | 35 |
|
| GN 251-M10-20-BK | M 10 | 20 | 13 | 19.6 | 7 | - | 6 | 4.5 | 2 | 17 | 29 |
|
| GN 251-M10-25-BK | M 10 | 25 | 13 | 19.6 | 7 | - | 6 | 4.5 | 2 | 17 | 32 |
|
| GN 251-M10-30-AK | M 10 | 30 | - | 19.6 | 7 | 8 | - | 4.5 | - | 17 | 36 |
|
| GN 251-M10-30-BK | M 10 | 30 | 13 | 19.6 | 7 | - | 6 | 4.5 | 2 | 17 | 34 |
|
| GN 251-M10-35-AK | M 10 | 35 | - | 19.6 | 7 | 8 | - | 4.5 | - | 17 | 39 |
|
| GN 251-M10-35-BK | M 10 | 35 | 13 | 19.6 | 7 | - | 6 | 4.5 | 2 | 17 | 36 |
|
| GN 251-M10-40-AK | M 10 | 40 | - | 19.6 | 7 | 8 | - | 4.5 | - | 17 | 41 |
|
| GN 251-M10-40-BK | M 10 | 40 | 13 | 19.6 | 7 | - | 6 | 4.5 | 2 | 17 | 39 |
|
| GN 251-M10-45-BK | M 10 | 45 | 13 | 19.6 | 7 | - | 6 | 4.5 | 2 | 17 | 42 |
|
| GN 251-M10-50-AK | M 10 | 50 | - | 19.6 | 7 | 8 | - | 4.5 | - | 17 | 48 |
|
| GN 251-M10-50-BK | M 10 | 50 | 13 | 19.6 | 7 | - | 6 | 4.5 | 2 | 17 | 44 |
|
| GN 251-M10-60-AK | M 10 | 60 | - | 19.6 | 7 | 8 | - | 4.5 | - | 17 | 54 |
|
| GN 251-M10-70-AK | M 10 | 70 | - | 19.6 | 7 | 8 | - | 4.5 | - | 17 | 56 |
|
| GN 251-M10-80-AK | M 10 | 80 | - | 19.6 | 7 | 8 | - | 4.5 | - | 17 | 60 |
|
| GN 251-M12-30-AK | M 12 | 30 | - | 21.9 | 8 | 10 | - | 5.2 | - | 19 | 53 |
|
| GN 251-M12-35-AK | M 12 | 35 | - | 21.9 | 8 | 10 | - | 5.2 | - | 19 | 56 |
|
| GN 251-M12-40-AK | M 12 | 40 | - | 21.9 | 8 | 10 | - | 5.2 | - | 19 | 59 |
|
| GN 251-M12-50-AK | M 12 | 50 | - | 21.9 | 8 | 10 | - | 5.2 | - | 19 | 66 |
|
| GN 251-M12-60-AK | M 12 | 60 | - | 21.9 | 8 | 10 | - | 5.2 | - | 19 | 74 |
|
| GN 251-M12-70-AK | M 12 | 70 | - | 21.9 | 8 | 10 | - | 5.2 | - | 19 | 81 |
|
| GN 251-M12-80-AK | M 12 | 80 | - | 21.9 | 8 | 10 | - | 5.2 | - | 19 | 88 |
|
| GN 251-M16-50-AK | M 16 | 50 | - | 27.7 | 10 | 13 | - | 6 | - | 24 | 126 |
|
| GN 251-M16-60-AK | M 16 | 60 | - | 27.7 | 10 | 13 | - | 6 | - | 24 | 140 |
|
| GN 251-M16-70-AK | M 16 | 70 | - | 27.7 | 10 | 13 | - | 6 | - | 24 | 153 |
|
| GN 251-M16-80-AK | M 16 | 80 | - | 27.7 | 10 | 13 | - | 6 | - | 24 | 166 |
|
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