Fixing material

Fastening material P and SP

• Gratings must be secured against rising or sliding off the bearing structure. Each grating should be fixed at least in four points, preferably in the corners.
• Fastening material is supplied by Lichtgitter CZ for all types of gratings and for all commonly supplied and designed types of bearing structure sections.
• Depending on the application conditions, all fastening members must be inspected periodically or, if necessary, screwed joints must be tightened.
• Unless otherwise stated, all types of fastening members including bolts and nuts are hot-dip galvanized.

B 133T – Standard fastening member

Comprised of a robust lower part, bolt, nut, and disc (clamp). It is designed in such a way that at the mesh pitch of 33 x 33 mm it can be mounted from above, through the grating meshes.

 

 

B 334K – Safety fastening element with locking

By firmly connecting the upper clamp with the grating, this member prevents the grating from moving in the direction of the bearing bar. It is designed for forge-welded gratings with the mesh pitch of 34/38 or 34/51 mm with the maximum height of 50 mm. Mounting from above through the grating mesh is possible.

 

 

B433-TM – Nailing fastening member

Enables to fix the grating very quickly. It is comprised of a cold galvanized or stainless steel nailing pin with M8 thread and a special disc with inside thread. It can be used for the pitches of bearing bars from 25 to 40 mm. Mounting is carried out using special tools.

Disc types:

• B433-TM – duplex, suitable for outdoors
• B433-T – galvanized, for indoors
• B433-TR – stainless steel type, for corrosive environments

(installation instructions)

 

 

B 533 K – weld-on fastening member

Comprised of a special bolt which is butt welded to the bearing structure, a nut and upper clamp. This fastening guarantees high safety against sliding off and fall of the grating.

B 633K – Safety fastening member with locking

It is designed for pressure-locked gratings with the mesh pitch of 33 x 33 mm and the maximum height of 50 mm. This member prevents the grating from sliding off the supporting structure even if the screwed joint loosens. Mounting is possible from above, through the grating meshes.

B 733T – Hook fastening member

It is designed for fastening the grating on a bearing section without a lower flange. For complete specification, the size and type of the bearing section must be provided. This member also fixes and locks the grating position.

B 833T – Hook fastening member

It is designed for fastening the grating on a bearing section with a lower flange. For complete specification,
the size and type of the bearing section must be provided. This member also fixes and locks the grating position.

B 933T – Double clamp

Enables connecting two adjacent gratings in places there are large deflections and it prevents the so-called trip edge from forming. It is applied mainly in places with large shape cut-outs in gratings.

B10 – Fastening member for gratings with the pitch of spacing bars of 11.11 mm

Comprised of the lower part of the fastening member, a saucer-headed bolt, and a nut. The minimum grating length is the grating height + 40 mm.

B 270 – Fastening using anchor plate

Comprised of an anchor plate with a hole, welded into the grating. Bolts are not included in delivery.
Suitable particularly for running gratings.