Better Fasteners for Better Products

From the weekend warrior to the professional, ITW Shakeproof Group products are found in a variety of consumer applications.

Fastener Solutions for Unique and Common Challenges

“The startling fact is that experts project upwards of 95% of fastener failures are the result of poor selection or improper installation.”

-NNI Training and Consulting, Inc.

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Welcome to Shakeproof

ITW Shakeproof Group is a leading designer and manufacturer of value added, high quality engineered hardware solutions.
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We Have Worked With More Than 100 Brand Name Include These

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Contact Information

Stampings
2550 S 27th Avenue
Broadview, IL 60155 
920-261-2652 
sales@shakeproof.com

Pins
W6331 Bee Rd 
Watertown, WI 53098 
920-261-2652 
sales@shakeproof.com

Lock Washers
3704 N Palmer Rd 
Milwaukee, WI 53212 
920-261-2652 
sales@shakeproof.com

Threaded
W6331 Bee Rd 
Watertown, WI 53098 
920-261-2652 
sales@shakeproof.com

Don't Forget To Meet Our Team.

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John Allitto
John Allitto
Founder
Dona Fienberg
Dona Fienberg
Co-Founder & CEO
John Spiliotis
John Spiliotis
Hr Menager

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Latest Stories From The JD New York

Crest Cup

This unique washer incorporates two separate load/deflection rates enabling it to accept high tension loads, while maintaining live spring action, which provides greater dynamic load capacity.

Advantages:crest cup

  • Manufacturing method forms burr upwards, producing a truly flat bearing surface, free of sharp edges. Upwards burr helps prevent embedding
  • Maximizes joint integrity
  • Can eliminate double washer combinations
  • Adapts easily to automatic assembly equipment


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Square Cone

This unique washer incorporates two separate load/deflection rates enabling it to accept high tension loads, while maintaining live spring action, which provides greater dynamic load capacity.

Advantages:square cone

  • Manufacturing method forms burr downwards, for embedding washer into its mating surface
  • Maximizes joint integrity
  • Can eliminate double washer combinations
  • Adapts easily to automatic assembly equipment


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External Tooth

Advantages:external 1

  • Provide maximum torsional resistance.
  • Work best with larger head screws (round, pan, binding, etc.)

 


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Internal Tooth

Advantages:internal 1

  • Work best with smaller screw heads.
  • Use where appearance warrants that teeth be hidden.

 


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Countersunk Type

Advantages:external 3

  • Provide maximum torsional resistance.
  • Work best with larger head screws (round, pan, binding, etc.)

 


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External-Internal Type

Advantages:ext int

  • Provide maximum torsional resistance.
  • Work best with larger head screws (round, pan, binding, etc.)

 


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Pyramidal Type

Advantages:pyramidal 1

  • Provide maximum torsional resistance.
  • Work best with larger head screws (round, pan, binding, etc.)

 


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Dome Type

Advantages:dome plain
dome tooth perip

  • Provide maximum torsional resistance.
  • Work best with larger head screws (round, pan, binding, etc.)

 


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Dished Type

Advantages:dished

  • Provide maximum torsional resistance.
  • Work best with larger head screws (round, pan, binding, etc.)

 


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Wide Rim Type

Advantages:Wide Rim Internal
Wide Rim External

  • Provide maximum torsional resistance.
  • Work best with larger head screws (round, pan, binding, etc.)

 


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Narrow Rim Type

Advantages:narrow rim int
narrrow rim ext

  • Provide maximum torsional resistance.
  • Work best with larger head screws (round, pan, binding, etc.)

 


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Pipe Type

Advantages:pipe int
pipe ext

  • Provide maximum torsional resistance.
  • Work best with larger head screws (round, pan, binding, etc.)

 


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Alternate Twisted Tooth Type

Advantages:alt int

  • Provide maximum torsional resistance.
  • Work best with larger head screws (round, pan, binding, etc.)

 


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Engineered Stampings: As you can see, ITW Shakeproof Group’s locking teeth can be incorporated in an almost endless variety of stamped shapes. This versatile design feature, whether Internal or External, or a combination Internal/External, will appreciably increase the integrity and security of the assembly. For information on how these teeth can be incorporated into your stamped component, contact This email address is being protected from spambots. You need JavaScript enabled to view it. or call us at 920-261-2652.

Shaft Retainers have been a standard product line at ITW Shakeproof for many years. Industry standards such as Internal Tooth, External Tooth, and Wide Rim Slotted Tooth retainers were designed to hold securely on the circumference of a shaft. Through the addition of ITW Powertrain’s Light Duty Stamping products, ITW Shakeproof has expanded its Shaft Retainer offering. Developed for both the Consumer and Industrial markets, the Push on Bolt & Hat Retainers, Hex Flange Speed Nuts, and Self-Threading Locknuts completes ITW’s offering of the Crest product line.

Push-on Bolt Retainer:

Use: In assembly applications when screws or bolts need to be retained in position before a nut is positioned and tightened.

Advantages:push on bolt retainer

  • Retainer slips onto screws or bolts with minimal effort.
  • The screw or bolt is retained tightly and will not push out of the hole when the nut is started.
  • Use where appearance warrants that teeth be hidden.



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Push-on Fasteners:

Studs and Rods - The design and workmanship of the stud or rod is critical for the successful application of Push-On Fasteners.

The following are design requirements:

  • The stud/rods must be to size and round within a tolerance of ±.0025 inch (.06mm). Care must be taken if the shaft is prepared using a shearing process, as out-of-round conditions can occur.
  • The material must not have a hardness of greater than 78 on 30T scale. If the stud/rod is too hard the teeth will not bite into the material.
  • The stud/rod should have a lead in angle or chamfer. Sharp edges with burrs can prevent proper functioning of the fastener.
  • The minimum pull-off loads listed are static load tests performed under laboratory conditions on metal shafts that meet the above conditions. You may see variations in performance in your application.

Application Tips:

  • Fixtures should be used to apply the Push–On Fasteners.
  • The Fasteners should be presented squarely to the stud or rod; crooked application can affect the performance of the fastener.
  • Hat Push-On Fasteners should be applied with a load on the top of the hat, avoid applying a load to the brim of the hat.
  • When installing “P” type fasteners, use a fixture that pushes squarely on the OD but avoids interfering with the petals of the Fastener.

Push-on Hat Retainer: The design and workmanship of the stud or rod is critical for the successful application of Push-On Fasteners.

Advantages:push on hat retainer

  • ITW Push-On-Fasteners eliminated costly secondary operations such as notching, threading or drilling.
  • They are designed to hold components on plain round shafts, rods or axles.
  • They can be quickly assembled in the field on a shaft or stud, making them ideal for products which are shipped knock-down.

Push-on Retainer Fastener:

Advantages:push on retainer p style
push on retainer ps

  • ITW Push-On-Fasteners eliminated costly secondary operations such as notching, threading or drilling.
  • They are designed to hold components on plain round shafts, rods or axles.
  • They can be quickly assembled in the field on a shaft or stud, making them ideal for products which are shipped knock-down.



Request a Quote


Self-Threading Locknuts and Washers:

Studs and Rods - The design and workmanship of the stud or rod is critical for the successful application of Self- Threading Fasteners.

The following are design requirements:

  • The stud should have a chamfer to help start the fastener, as per the sketch on this page.
  • Metal studs must be to size and round within a tolerance of ± .0025 (.06mm).
  • Metal studs must not have a hardness of greater than 80 on the Rockwell B scale.

Self-Threading Locknuts and Washers:

Advantages:self threading locknut sw styleself threading locknut sww style

  • ITW Self-Threading Locknuts and Washers provide savings by eliminating costly operations such as threading, grooving, cross drilling and other secondary operations.
  • The integrated sure-locking action provides resistance to vibration and eliminates the problem of potential back-off.
  • Elimination of cross-threading potential enables faster assembly.
  • The integral base on the washer style spans large clearance holes.



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Hex Flange Speed Nut:

Regular and Wavy Washer Locknut Eliminates Back-Off:

  • Locking action eliminates back-off due to vibratory and/or thermal stress.
  • Spring forces are exerted upward against bolt threads and downward against the assembly.
  • Spring forces are exerted inward, gripping the root of the bolt thread.
  • Locknuts may be removed and reused as long as the thread engaging portion has not been flattened by excessive tightening.

Hex-Flang Speed Nut:

Advantages:hex flange speed nut regular
hex flange speed nut wavy

  • The ITW Locknut is available in Regular style or Wavy style.
  • The Wavy Washer Locknut adds a faceted edge which gives increased resilient “Belleville” locking action when compressed.
  • A one-piece ITW Washer Locknut combines the functions of an ordinary Hex Nut, Lock Washer, and Flat Washer.
  • There is only one fastener to handle on the assembly line thus, saving time and reducing labor cost with only one fastener to inventory.
  • Large clearance holes may be covered by selecting the appropriate washer base.

 

 



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