Hollow profile fastener BoxBolt^® A4 stainless steel, with CE marking

Name: Hollow profile fastener BoxBolt ® A4 stainless steel, with CE marking
Brand: Würth
SKU: 048790811

BoxBolt hexagon stainless steel A4 CE
HLSECTFSTNR-BQ1S08-(5-26)-A4-M8-CE

Art.-no. 048790811

EAN 4062856348732

All versions

Specification

The mechanical material properties of the screws correspond to strength class 70 in accordance with DIN EN ISO 3506-1

Notice

Never exceed the permissible working loads. Before using hollow section fasteners, always check that the steel structure can withstand the required loads.

ETA 20/1174

BoxBolt^® is a registered trademark of Access Technologies Limited, GB.

Application

Application area

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.

Instructions

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 wrench. The hollow section fastener is only approved for one-time use!

We recommend the BoxSok^TM special tool for installation

Technical information


Thread type x nominal diameter	M8
Screw length (l)	50 mm
Width across flats (S)	13 mm
Width across flats, sleeve (S_Hü)	22 mm
Sleeve diameter (d_HÜ)	13.5 mm
Collar thickness (k_Hü)	6.4 mm
Sleeve length (l_Hü)	40 mm
Min./max. grip length (l_k)	5-26 mm
Nominal drill hole diameter	14 mm
Tightening torque	25 Nm
Min. hole distance (A)	35 mm
Min. edge clearance (B)	13 mm
Material	Stainless steel A4
Surface	Plain
RoHS-compliant	Yes