$2.50at GrayboeBuyGrayboeGrayboe Machine Screw Stud Mount$2.50Grayboe$2.50BuySaveShareGrayboe profileThe creators who use it, or GearCred, may earn a commission when you buy through these links, at no extra cost to you.From GrayboeRubber washer and anchoring steel T-nut included for install.