Spiralock®
Technologically-superior fastening system ideally suited for threaded joint applications subjected to heavy vibration and challenging environments. Whether it's a simple change of a fastener or a custom-designed solution, Spiralock® technology delivers reliability of product performance that customers can count on.
Spiralock® Technology
The Edge is in the WedgeTM
Spiralock® is one of three Optia® anti-vibration technologies. By adding a 30° wedge ramp at the root of the internal thread, Spiralock® has engineered a simple yet effective way to transform a traditional threaded joint into a safer and more reliable element. This remarkable design provides exceptional resistance to vibration loosening, improved joint integrity and consistent, repeated reusability while eliminating the need for secondary locking devices.
To survive the vibration and high temperatures of launch, we require the most reliable locking engagement thread. Screws must remain tight without opportunity for retightening. With conventional threading, screws loosened up and backed out under testing. The Spiralock thread form retained a tight seal at 300° C. Once torqued down properly, the screws stayed put in the threads, which helped us meet our flight schedule.
Dan Harpold
Spiralock® Threaded Inserts
Spiralock® Wire Thread Inserts
Provides proven superior vibration resistance to standard locking inserts
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Spiralock® Drive Notch (Tangless®) Wire Thread Inserts
Eliminates the potential of foreign object damage (FOD-free design) or short circuiting of electronics by loose tangs.
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Spiralock® Key-Locking Threaded Inserts
Our key-locking threaded inserts are available in miniature, lightweight, heavy-duty and extra heavy-duty versions.
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Spiralock® Made-to-Order Fasteners
Provides proven superior vibration resistance to standard locking inserts
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Spiralock® Molded Thru-Hole Threaded Inserts
These inserts are designed to have plastic molded around them in the mold cavity.
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Spiralock® Post-Molded Threaded Inserts
Designed to be press-fit into a drilled or molded hole, after the molding process.
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Spiralock® Threaded Inserts for Plastic, Particleboard, or Wood
These inserts are specially designed to secure against torque while leaving a clean and chip-free threaded area.
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Spiralock® Ultrasonic Threaded Inserts for Straight Holes
Ideal for use with plastic, threaded inserts from Spiralock® provide superior torsional and pullout properties.
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Spiralock® Ultrasonic Threaded Inserts for Tapered Holes
This version of Spiralock®’s threaded insert is designed for use in tapered holes, allowing for rapid and accurate alignment prior to installation.
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Spiralock® Nuts and Nut Assemblies
Spiralock® Blind Nuts
Spiralock® Self-Clinching Blind Nuts provide an important barrier to protect threads against foreign matter and guard circuits from intrusion.
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Spiralock® Floating Nuts
Self-clinching Floating Fasteners provide load-bearing threads in thin sheets.
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Spiralock® Hex Flange (Metric & Fractional Sizes)
Features Spiralock®’s proprietary wedge ramp female thread and unique self-locking thread technology which adds a locking feature to tapped holes.
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Spiralock® Self-Clinching Fasteners for PC Boards
Designed for use with all types of printed circuit boards, as well as acrylic, polycarbonate, and aluminum panels.
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Spiralock® Self-Clinching Flush Nuts
Ideal for applications that require load-bearing but still must remain smooth, with no protrusion on either side.
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Spiralock® Self-Clinching Fasteners for Stainless Steel
Made-to-order, our Self-Clinching Fasteners for Stainless Steel are available for a wide variety of applications.
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Spiralock® Self-Clinching Miniature Fasteners
Features the Spiralock® proprietary wedge ramp female thread.
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Spiralock® Self-Clinching Projection Weld Nuts
These fasteners provide load-bearing threads in sheets too thin to tap and are designed for faster assembly.
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Spiralock® Taps and Gages
Spiralock® Cold-Forming Taps
Cold-forming taps produce a thread by deforming material instead of removing it.
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Spiralock® Gage Sets
Gaging Spiralock® threads requires the use of special gages to ensure proper function of the thread.
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Spiralock® High-Performance Taps
Forming taps are suitable for all ductile materials such as aluminum, brass, copper, and mild steels.
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Spiralock® Multipurpose Taps
Designed for a wide variety of low-hardness materials that generate long chips.
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Spiralock® Thread Milling Cutters
These all-carbide thread milling cutters can be made to order to suit specific customer applications.
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Spiralock® T10 Straight Flute Taps
Specialized geometry for short-chipping materials such as cast iron and hardened alloy steels.
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Spiralock® Thread Turning Carbide Inserts
Thread inserts are used to make internal threads when tapping conditions are not optimal.
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Learn More About Spiralock® Technology
Load Distribution
The load carried by Spiralock® threads is more uniform than 60° threads. Load percentage on the first engaged Spiralock® thread is significantly lower.
Spiralock® Technology
The standard internal thread profile has been transformed into a self-locking female thread form with the addition of a unique 30° wedge ramp at the root of the thread.
Vibration Loosening Resistance
Testing on Junker vibration equipment has proven that the Spiralock® thread form outperforms other thread-locking devices.
See It Work
Watch Spiralock® in animated clips showing the Morphing Animation, Load Vector Comparison, and Photoelastic Analysis.
Spiralock® Size Charts and Calculators
Spiralock® Taps & Gages
Spiralock® taps come in different styles to accommodate your needs and requirements. Gaging Spiralock® threads requires the use of special gages to ensure proper function of the thread. Non-Spiralock gages cannot determine the functionality of Spiralock® threads.
EXPLORE ACCESSORIESTAPS SIZES CHART - ENGLISH
TAPS SIZES CHART - METRIC
TAPS SIZES CHART - FRACTIONAL
Spiralock® Calculators
Use our interactive Torque and Drill Size calculators to determine your required values and recommendations.
SPIRALOCK® DRILL SIZE CALCULATOR
SPIRALOCK® TORQUE CALCULATOR
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