Huck® Bobtail® from Arconic Fastening Systems - the next step in LockBolt evolution

Written by: Arconic Fastening Systems Ltd | Published:

Designed to overcome inherent weaknesses with standard lockbolts, the BobTail has no pin-tail and as a result of this zero pin-break, no waste material to collect and dispose of or potential corrosion issues post installation. The lightweight, low-noise, low-maintenance tooling, which can be used for both installing and removing fasteners, provides a smooth, shock-free, speedy installation sequence i.e. two seconds for a 16mm diameter fastener - twice as fast as any other large diameter lockbolt on the market. As a result, no torque or impact is transferred to the operator.
BobTail fasteners install in only 2 seconds, up to twice as fast as any other large diameter LockBolt on the market.

How to install a BobTail:

1. The BobTail Pin is inserted into the prepared hole of the joint assembly, and the BobTail Collar is placed over the Pin.

2. The Huck Installation Tool Nose Assembly is located onto the annular pull grooves of the Pin. When the tool is activated, a Puller in the Nose Assembly moves the Nose Assembly toward the Collar, causing the swaging Anvil to press on the collar, closing any gap in the joint assembly.

3. At a predetermined force, the Anvil begins to swage the Collar into the lock grooves of the Pin. Continued swaging elongates the Collar and Pin, developing precise clamp in the joint.

4. When swaging of the Collar into the lock grooves is complete, the Tool ejects from the installed Fastener, releasing the Puller from the Pin to complete the sequence. Depending on the type of BobTail Tool used, the ejection cycle will happen either automatically, or when the operator releases the Tool Trigger.


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Arconic Fastening Systems & Rings Ltd
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