For Quick Release Plates, Cages & Rigs 1/4″-20 Slotted Camera Screw Use as Spare or Replacement 0.47″ Total Length This 1/4″-20 Camera Screw from 8Sinn can be used as a replacement when mounting your camera on a quick release plate, baseplate, cage, or rig. Use a slotted screwdriver or coin to tighten the screw.