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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Why People Love us

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Wanna See Our Work?

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Browse Portfolio

We Have Worked With More Than 100 Brand Name Include These

Who We Are?

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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

ITW Shakeproof Group is the largest, most diverse and uniquely tooled producer of stampings products in the world.

Since its 1923 invention of the Twisted Tooth Lock Washer, Shakeproof has continued to invent products that revolutionized the stampings industry. Such product inventions as the Square Cones, Spring Washers, Internal/External Lock Washers and Shaft Retainers are the finest anti-vibration, anti-loosening, mechanical fastening devices available today.

SEMS External Tooth Internal Tooth
SEMS External Tooth Internal Tooth
Countersunk Type External-Internal Type Pyramidal Type
external 3 ext int pyramidal 1
Dome Type Dished Type Alternate Twisted
Tooth Type
dome plain cropped dish toothed per alt int
Narrow Rim Type Pipe Type Wide Rim Type
narrow rim intInternal
narrrow rim extExternal
pipe intInternal
pipe extExternal
wide rimInternal
wide rim intExternal
Light Duty Stamped Nuts Internal Tooth Retainer External Tooth Solid I.D. Retainer
Light Duty Stamped Nuts Internal Tooth Retainer External Tooth Solid I.D. Retainer
Bends Curved Bends Flat Base Shape Rectangle
bends curved flat base shape rectangle
Shape Round Twin Prong Impressions Diamond Impressions
shape round Twin Prong Impressions Diamond Impressions
Spira Cone Impressions Hardened Stud Retainers Impressions Ends Turned Up
Spira Cone Impressions Hardened Stud Retainers Impressions Ends Turned Up
Ends Turned Down Ends Notched  
Ends Turned Down Ends Notched  
Lower Leg Leads Upper Leg Leads Both Leg Leads
Lower Leg Leads Upper Leg Leads Both Leg Leads
Side Relief Notches Center Relief Notches Upper Leg Barbs
Side Relief Notches Center Relief Notches Upper Leg Barbs
Lower Leg Barbs Both Leg Barbs Wide Range Nuts & Panel Nuts
Lower Leg Barbs Both Leg Barbs Wide Range Nuts and Panel Nuts
Style 1 "V" Wave Style 3 Single Wave Style 4 Single Wave Flat Rim
Style 1 Style 3 Single Wave Style 4 Single Wave Flat Rim
Style 6 Three Wave Four Wave Finger Washers
Style 6 Three Wave Four Wave Finger Washers
Style 8 Plain Periphery Style 8 Tooth Periphery Ramp Conical Plain Periphery
Style 8 Plain Periphery Style 8 Tooth Periphery Ramp Conical Plain Periphery
Ramp Conical Tooth Periphery Style 10 Special Spring Washers Style 12
rRamp Conical Tooth Periphery Style 10 Special Spring Washers Style 12
Style 14 Custom Thrust & Bearing Washers  
Style 14 Custom Thrust and Bearing Washers  

Our Pin business is the traditional Bee Leitzke product line.

Since 1929, ITW Bee Leitzke has been leading the industry in a variety of manufacturing processes performed in-house at significant cost savings to the customers. Our expertise covers: Cold heading, cross-hole drilling, grooving/shaving, CNC operations, roll forming, broaching, grinding, and lanyard production. These capabilities, along with our engineering staff, have allowed us to focus on working with customers to solve all of their fastener problems.

In 2011, ITW merged its Bee Leitzke business with Shakeproof to form ITW Shakeproof Group to provide the industry a full line of Pins, Stampings, Helical Lock Washers and Threaded products.

Standard and SAE Clevis Pins Extended Prong Cotter Pin Hairpin Cotter
Clevis Cotter Pins Hairpin Cotters
Double Wire Lock Pin Single Wire Lock Pin Single Wire Tab Lock
Lock Pin Double Wire Lock Pin Single Wire Single Wire Tab Lock
Grooved Single Wire (snap lock) Hitch Pin with Lynch Pin and Chain Bent Pin With Hairpin
Lock Pin Grooved Single Wire Hitch Pins Bent Hitch Pins
Lynch Pin Lanyards  
hitchpin lynchpin chain 60 lanyards blank
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