Holbrook Manufacturing, Inc. | Fastening Innovations
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POWERLOK® TRILOBULAR™ Fasteners

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PowerLok

Inch Series POWERLOK® Fasteners

 (13)
POWERLOK® TRILOBULAR™ All Metal Locking Fasteners Solve Assembly Difficulties and Reduce Your In-Place Fastening Costs

POWERLOK® Geometry

Thread Profile:
The innovative Dual-Angle™ thread form provides “live-action” locking.
The spring action of the thread tip creates classic “stored energy” locking.
Interferes in the root of the nut thread. Locking is not affected by an incomplete internal thread form.

TRILOBULAR™ Body:
Capitalizes on elastic memory of nut member.
Further prevents vibrational loosening by providing additional locking action.
Reduces friction during installation.

POWERLOK® Advantages
  • No need for patches, adhesives or assembly line ...

PowerLok

Metric Series POWERLOK® Fasteners

 (10)
POWERLOK® TRILOBULAR™ All Metal Locking Fasteners Solve Assembly Difficulties and Reduce Your In-Place Fastening Costs

POWERLOK® Geometry

Thread Profile:
The innovative Dual-Angle™ thread form provides “live-action” locking.
The spring action of the thread tip creates classic “stored energy” locking.
Interferes in the root of the nut thread. Locking is not affected by an incomplete internal thread form.

TRILOBULAR™ Body:
Capitalizes on elastic memory of nut member.
Further prevents vibrational loosening by providing additional locking action.
Reduces friction during installation.

POWERLOK® Advantages
  • No need for patches, adhesives or assembly line ...

Holbrook Manufacturing, Inc. | Fastening Innovations