Metal cavity anchor W-MH/B bolt/nut
Cavity anchor W-MH/B bolt/nut
DWL-(W-MH/B)-BLT-(5-16)-(A1K)-M8X82/55
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- Excellent holding power due to spreading supporting elements with large contact radius
- Simple setting with associated mounting pliers
- Pre-assembled with threaded rod, washer and nut
- Anti-rotation lock on the collar prevents movement in the drill hole
- Threaded rod can be loosened without loss of holding power
Fire resistance tested in hollow pumice
After the anchor has expanded, the standard screw belonging to the anchor can be replaced by another fastener with a metric thread of the same size, e.g. eye bolt, screw with a special head, A2/A4 brass screw, threaded rod etc.
The lugs on the collar (anti-rotation lock) must be bent straight for hard surfaces, e.g. tiles. Pushing the front lever on the ratchet pliers releases the ratchet pliers again.
Wall connection profiles, dry walling
Wall mirror
Wall units
Create the drill hole
Install anchor
Expand anchor fully with pliers
Secure component
Fire resistance tested in hollow pumice
- The anchor for secondary attachments in hollow and lightweight construction walls made of panel materials, and in hollow brick ceilings or hollow core ceilings up to a maximum thickness of 45 mm, behind which is a cavity
- For attaching brackets, pipe clamps, wall ducts, small boilers, lamps, shelves, curtain rails, picture frames, slats and rails etc.
Type description | W-MH/B |
Thread type x anchor diameter | M8 |
Design | With threaded rod, washer and hexagon nut |
Min./max. board thickness/mirror thickness (d a) | 5-16 mm |
Material | Steel |
Nominal drill-bit diameter (d 0) | 13 mm |
Surface | Zinc plated |
Sleeve length (lHü) | 55 mm |
Screw length | 82 mm |
Through-hole in the component to be connected (d f) | 9 mm |
| Performance data | |||
| Anchor diameter [mm] | M8 | ||
| Recommended loads1 | Plasterboard d ≥ 12 mm | Frec. [kN] | 0,20 |
| Plasterboard d ≥ 25 mm | Frec. [kN] | 0,30 | |
| Hardboard d ≥ 4 mm | Frec. [kN] | 0,30 | |
| Hardboard d ≥ 10 mm | Frec. [kN] | 0,30 | |
| Particle board d ≥ 10 mm | Frec. [kN] | 0,25 | |
| Hollow ceiling brick d ≥ 30 mm | Frec. [kN] | 0,30 | |
| Fire resistance of hollow pumice2 | F90 [kN] | 0,30 | |
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