The diamond drilling machine fastener FDBB is a reusable system for anchoring diamond drilling machines. The anchoring of diamond drilling machines poses special requirements: quick assembly and disassembly, absorption of high transverse loads "even when the drill bit comes to a sudden standstill. The FDBB consists of a clamping nut, the spindle bolt that can be used multiple times and the expansion element that remains in the drill hole after disassembly. The large steel cross-section ensures the high transverse force load-bearing capacity of the anchoring system. The detachable screw connection between the expansion element and the spindle enables the spindle bolt to be easily disassembled. The robust, reusable spindle bolt also ensures a long service life.

• Active post-expansion behavior for high safety.
• Robust, reusable spindle bolt.
• Pre- and push-through assembly.

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