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ITW Shakeproof Industrial


W6331 Bee Road
Watertown, WI 53098

Phone: 920-261-2652

Mon - Fri: 7:30 am – 4:00 pm


Website Website


ITW Shakeproof Industrial Logo

About us

About Us

ITW Shakeproof Industrial is a leading designer and manufacturer of value-added, high quality engineered hardware solutions.

Our History

  • Known as ITW Shakeproof Industrial today, the company is the result of a 2010 merger of ITW businesses that have a long, rich history in the industrial hardware market. This history dates back to the 1920s when two of ITW Shakeproof Industrial's  main product lines were created.
  • Shakeproof was formed in 1923 when it introduced the Twisted Tooth Lock Washer.
  • Bee Leitzke, established in 1929, was created through the merger of well-known hardware manufacturers Medalist Rein Leitzke and Hobbs.
  • Together, these companies have decades of problem-solving, product design and manufacturing experience which is demonstrated in the quality of the products you purchase.

Our Innovation

  • Through continued focus on new product development, ITW Shakeproof Industrial remains a design leader in cross-market, single customer and cost-reducing innovations. 
  • This innovation focus has resulted in better, faster and easier solutions for our customers and for the end user.
  • As you visit the various sections of our website, you will see the innovations that, through the years, have become industry standards:
    • The BosScrew® was created for plastic applications; the Tap/R® as a thread forming screw, and the Cyclone® for sheet metal applications.  Our most recent innovation, the Shakeproof Thread®, integrates a wave thread that, in application, creates a mechanical interference ensuring the fastener simply stays tight.  These threaded products are utilized in many applications in the Appliance, Trailer, Electrical, Heavy Truck and Rail markets.
    • Our Helical Lock Washers, Internal and External Lock Washers, Crest Cups, and Square Cones were developed as anti-loosening devices for a variety of applications in the Railroad, Industrial Equipment, Automotive, and OEM Screw markets. 
    • Our Cotter, Clevis and Lock Pins were designed to secure equipment in the Agriculture, Outdoor Power, Snowplow, and Pole Line markets.

Be assured that whether you’re looking for a standard product or for a custom design, the solutions from ITW Shakeproof Industrial deliver uncompromised value and performance.


  • ITW, or Illinois Tool Works (NYSE: ITW), is the parent company of Shakeproof Industrial.
  • ITW is a global diversified industrial manufacturer. 
    Founded in 1912, today ITW is a Fortune 200 company comprised of 840 decentralized business units in 52 countries, employing approximately 60,000 men and women worldwide. 
  • For more information on ITW, please visit www.shakeproof.com