Sleeve M4 D5x8mm Brt Brass

This product is covered under Häfele’s Lifetime Guarantee.
All products covered under the Häfele Lifetime Guarantee have met our quality standards and have been tested according to the relevant industry certification.
All products under this guarantee are covered for normal use of the products in a domestic environment - for commercial environments our standard 12 month guarantee would apply.

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Processing reference for the installation of Grass concealed hinges:

HPL and mineral material: spreading sleeve Ø 5 mm and threaded screw countersunk head M4 x 8 mm:
1. Drill Ø 5 mm drill hole
2. Insert spreading sleeve
3. Put on hinge and fix with screws

Chipboard and MDF: Euro cylinder screw Ø 6.3 x 10.5 mm:
1. Drill Ø 5 mm drill hole
2. Put on hinge and fix with screws

Depending on the type and thickness of the supporting material, the pull out resistance may vary even with the same fixing method.
With regard to the selection and processing of the supporting material, please contact your supporting material supplier.