Grating Accessory
Fixing material

Fixing material B334 / B351K
Fixing Material B334 / B351K
for forge-welded gratings with locking. Consisting of:
- Clamp upper part
- Bolt, nut and plastic locking ring
Bolt length at least grating height plus 40 mm.
This fastening material prevents a slippage of the grating from the substructure even when the bolt is loosened and can be mounted from above.

Threaded bolt fixing B433T
Threaded bolt fixing B433T
Consisting of:
- Round plate top with firmly conected threaded sleeve made of brass or aluminium
- Setting bolt
This fixing unit is also available compeletely in stainless steel. .
This fixing material prevents a slippage of the grating from the substructure even when the bolt is loosened and can be mounted from above. This fastening fits mesh spacing ranging from approx. 25 to 40 mm.

Welded bolt fixing B533K
Welded bolt fixing B533K
Consisting of:
- Clamp upper part deep drawn (on request with deep drawn plate)
- Welded studs galvanized including ceramic ring
- Nut and plastic locking ring
This fixing material prevents a slippage of the grating from the substructure even when the bolt is loosened and can b emounted from above.
This fixing fits mesh spacing ranging from approx. 25 to 40 mm.

Standard fixing material B133T and B133K
Standard fixing material B133T and B133K
Consisting of:
- Clamp upper part or round plate top
- Clamp lower part
- Bolt, nut and plastic locking ring
This fixing is also available in stainless steel. Bolt length at least grating height plus 30 mm.
This fixing material can be mounted from above from a mesh spacing of 33 mm and is - if desired - available with raised sill flap. Under the provisions of BG, only permitted if an additional on-site security against shifting is present.

Double clamp fixing B933T and B933K
Double clamp fixing B933T and B933K
Consisting of:
- Clamp upper part or round plate top
- Clamp lower part - bolt, nut and plastic locking ring
Bolt length at least grating height plus 30 mm. The double clamping connection connects adjacent gratings in places that are prone to greater defelctions. It prevents the occurrence of tripping hazards.

Socket spanner lock / Fixing B13
Socket spanner lock / Fixing B13
Fixing B13.1
with square box spanner 7 including facing brackets. Version B13.1 can be operated from above and from below. (illustration: closed from above)
Fixing B13.2
with square box spanner 8 including facing bracket (also for heavy-duty gratings). This version is available in galvanized steel and stainless steel.
Fixing B13.3
with square box spanner 8 can be bolted on to grating in subsequent installation. Suitable for gratings with a mesh spacing of 33,33 mm and grating height of 25, 30 and 40 mm.

Hinge B15
Hinge B15
Consisting of:
- 2 hinges and 1 hinge bolt
- U-waschers
- 2 split pins
Heavy hinge versions for vehicle-accesible gratings on request. The hinges are welded flush with the upper edge of the grating at an opening angle of approx. 90°. Larger opening angle can lead to a protuberance of the hinge.