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BobTail®
The Next Step in
LockBolt Evolution
APPROVED

Key Benefits
Unmatched
Installation Speed

Consistent Clamp
Unlike conventional nuts and bolts, Huck fasteners
will not work loose, even during extreme vibration.

Fastener installs in only 2
seconds, up to twice as fast
as any other large diameter
LockBolt on the market*.

C L AM P ( lb f )

2 5 ,0 0 0

See the video at www.afshuck.net

High Fatigue Strength Thread Form

Hardened
Pin

Shallow thread and large root radius
increases fatigue strength.

BOBTAIL

2 0 ,0 0 0
1 5 ,0 0 0
1 0 ,0 0 0
5 ,0 0 0

Nut and Bolt

0
0

50

100

150

200

2 50

300

T I ME ( se c . )

Softer collar material flows
between lock-grooves

Installation Indicator on Collar for Visual Inspection
(12mm diameter upwards only)
The swage indicators indent when installation is complete.

Maintenance Free
Permanent, mechanically locked fastener.
No torque or re-torque required.

Prior to Installation

No pin-tail or pin-break
No material waste, low installation
noise and increased corrosion
resistance.

www.afshuck.net | info@afshuck.net

After Installation

Easy to learn,
shock free installation

Unique helical lock groove
(12mm diameter upwards only)

Eliminates jolts to the
operator’s arms and hands.

Holds pin and collar in place prior
to installation.

*based on a typical installation of a 5/8” Grade 8 fastener