Valley Forge and Bolt Mfg. Co. is a manufacturer of hot forged industrial fasteners, bolting solutions and load indicating te ... chnology, trusted in industrial applications worldwide. Our relentless drive towards development of new technology and innovative ideas stems from our dedication to continually improve and perfect the bolted joint. Our advanced fastener technology includes tension control bolts that accurately measure and monitor bolt clamp loads. This monitoring is done visually with our patented Maxbolt™, and electronically or wirelessly with our SPC4™ bolts. We are proud to have the most fastener patents in the industry. For more information visit us at www.vfbolts.com. read more