Explore all of Dengensha America's vibratory bolt feeder options online today. Call us for more information and pricing. X. Welders. X. All Welders. AC/MFDC Stationary Spot Welder. AC/MFDC Stationary Spot Welder > Capacitor Discharge. ... Vibratory Nut Feeder. Using the latest technology, we design and build to your specific production weld nut ...