FBN II A4 / Bolt anchor, ⌀ 20 mm

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

The cost-efficient fixing for external 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, 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 stainless steel version of the bolt anchor is suitable for fixing façade sub-structures, consoles, and ladders in external areas.

Top Features:

• 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.
• Stainless steel: permanent safety in outdoor use.

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.

Advantages:

• The standard anchorage depth achieves the maximum load-bearing capacities. Thus fewer fixing points and smaller anchor plates are required.
• The long thread balances component tolerances and allows for stand-off installations, thus increasing flexibility.
• Few hammer blows and the minimal torque slippage allow for a noticeably simpler installation.
• The drive-in pin protects the thread from damage, and thus ensures a faster installation and dismantling of the attachment.

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.