BoxBolt® hollow profile fastener
BoxBolt steel zinc plated hexagon head
HLSECTFSTNR-BOXBOLT-(5-23)-(A2K)-M10
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Never exceed the permissible working loads. Before using hollow section fasteners, always check that the steel structure can withstand the required loads.
With general technical approval Z-14.4-482
Art. no.: 04858061 does not have technical approval
BoxBolt® is a registered trademark of Access Technologies Limited, GB.
Datasheets(X)
CAD data (available after login)
For fastening to hollow sections or other hard-to-reach components. The fastener is especially suitable for applications where the installation point is only accessible from one side.
The connection is produced by tightening the screw while bracing the sleeve collar, resulting in expansion of the sleeve. The tightening torques can be applied using a torque spanner. The hollow section fastener is only approved for one-time use!
We recommend the BoxSokTM special tool for installation.
 | |
Thread type x nominal diameter | M10 |
Screw length (l) | 50 mm |
Width across flats (S) | 16 mm |
Width across flats, sleeve (SHü) | 24 mm |
Sleeve diameter (dHÜ) | 17.5 mm |
Collar thickness (kHü) | 7 mm |
Sleeve length (lHü) | 40 mm |
Min./max. grip length (lk) | 5-23 mm |
Nominal drill hole diameter | 18 mm |
Tightening torque | 45 Nm |
Min. hole distance (A) | 40 mm |
Min. edge clearance (B) | 15 mm |
Material | Steel |
Surface | Zinc plated |
RoHS-compliant | Yes |
| Nominal diameter | Maximum working load in kN1 | |
| Permissible tensile load | Permissible shear load | |
| Ft,adm.1 | Fv,adm.1 | |
| M6² | 5.71² | 16.21² |
| M8 | 14,14 | 18,57 |
| M10 | 27,71 | 32,57 |
| M12 | 32,36 | 42,50 |
| M16 | 57,50 | 77,86 |
| M20 | 101,43 | 127,86 |
| 1Working loads Ft,adm. = Ft,R,d/γF or Fv,adm. = Fv,R,d/γF (partial safety factor of the effects γF = 1.4). In cases of the simultaneous occurrence of tensile and shear forces, observe the information in DIN EN 1993-1-8, table 3.4. ²Nominal dia. M6 without DIBt National technical approval | ||
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