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HuckLok®
Featuring a wide grip range and unique double-locking action, the HuckLok® blind rivet combines high shear strength and high pull-up force. Its double-locking action consistently secures the assembly from both sides, resulting in maximum hold and joint integrity. Its large, blind-side footprint prevents pull-through, especially when joining thin or lightweight materials, such as plastics, composites, or any kind of pliable material.
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Unique bulbing system for superior blind side strength
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Wide grip-range and unique double-locking action
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Positive mechanical bolt retention ensures structural integrity
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Large, blind-side footprint prevents pull-through
- Annular grooves keep pressure on the back side
Available Sizes: 3/16", 1/4"
Materials: Steel
Headstyles: Protruding, Truss, 100° Oval countersunk
HuckLok® Brochure Products in this section
Secure Installation Diagram
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Breaking flush throughout its grip range, HuckLok allows at-a-glance verification of installation accuracy
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Undercut fillet allows seating in burred holes
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Solid bolt provides exceptionally high strength in the shear plane
- Lock groove on bolt engages shoulder on rivet head, while the extruded support ring “double locks” the bolt within the bulb
Installation Sequence
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Insert the fastener into the hole and slip the installation tool over the pintail.
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Press the trigger to initiate pulling action. As the tool pulls on the pintail, the shear ring feature on the bolt pulls inside the sleeve fully expanding the diameter and drawing the work pieces together.
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Continued pulling on the pintail expands the sleeve to maximum allowable diameter. As the shear ring reaches the backside of the work piece it breaks and catches on the tapered annular grooves, keeping high pressure on the blind side of the work pieces as the bolt continues to draw down inside the sleeve.
- A solid circle lock between the bolt and sleeve is formed just prior to the bolt breaking flush with the sleeve head, completing the installation.
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