Founded in 1923, the original Illinois Tool Works (ITW) division, ITW Shakeproof Industrial Products is a leading designer and manufacturer of value added, high-quality engineered fastening solutions serving a wide variety of markets. We hold over 5000 patents. Our products include machine and thread-forming screws, thread cutting, anti-strip and anti-backout screws, metal stampings, and lock washers. Contact us today to begin reducing your manufacturing and assembly costs.