FBN II FVZ / Bolt anchor, ⌀ 20 mm

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Brand:	Fischer
Diameter:	20 mm
Width across nut:	30 mm

The cost-efficient fixing made of hot-dip galvanised steel for use in non-cracked concrete.

The fischer bolt anchor FBN II is a steel anchor for cost-effective fixings in non-cracked concrete. Due to the long thread and the two anchorage depths, the fischer bolt anchor FBN II can be used in a particularly flexible manner. The bolt anchor is also suitable for stand-off installation as well as pre-positioned and in push-through installation. The bolt anchor is made of hot-dipped steel and is suitable for railings, handrails or consoles.

Top Features:

• The FBN II achieves maximum load-bearing capacity with standard anchorage depth. This means: fewer fixing points and smaller anchor plates.
• If the reduced anchorage depth is used, then this lowers the drill hole depth and simplifies installation.
• Component tolerances are balanced out with the long thread. In addition, FBN II is also suitable for stand-off installations. This increases flexibility.
• Simple assembly due to few taps and minimal slippage.
• The drive-in pin protects the thread from damage. This saves time during installation and removal.

Functioning:

• The FBN II is suitable for pre-positioned and push-through installation; also suitable for stand-off installation under certain conditions.
• Prior to installation, place the hexagon nut in the optimal position (the drive-in pin projects by approx. 3 mm out of the hexagon nut).
• When applying the torque, the cone bolt is pulled into the expansion clip and expands it against the drill hole wall.
• The head embossing offers a simple control of the anchoring.
• In the case of series installation, we recommend using the FABS bolt anchor setting tool.

Advantages:

• The standard anchorage depth achieves the maximum load-bearing capacities. This means that fewer fixing points and smaller anchor plates are required.
• The reduced anchorage depth reduces the drill hole depth. This minimises the amount of time needed for installation whilst increasing flexibility.
• The first bolt anchor with variable working life covers the usage of bolt anchors in wet conditions and outdoor areas.
• The long thread balances component tolerances and stand-off installations, and thus increases flexibility.
• Fewer hammer blows and the minimal torque slippage allow for a noticeably simpler assembly.
• The drive-in pin protects the threaded screw from damage, and as such ensures a faster installation and dismantling of the fixture.

Applications:

• Steel constructions
• Guard rails
• Consoles
• Ladders
• Machines
• Gates
• Façades

Building materials:

Approved for:

• Concrete C20/25 to C50/60, non-cracked

Also suitable for:

• Concrete C12/15
• Natural stone with dense structure

You can find detailed information on building materials in the registration document.