A bolt that measures and displays its own tension? Meet SPC4 from Valley Forge & Bolt. Watch this video that shows in detail how it works and how data can be transmitted, collected, and used to improve performance, maintenance and safety.


Valley Forge & Bolt Mfg. Co. manufactures patented bolting products for critical applications. These threaded fasteners are widely trusted for their unrivaled quality, extraordinary performance, and enduring reliability. Email: Call: (602) 269-5748. On the web: