W.L. Fuller 11900375 3/8" ID Stop Collar for Countersinks and Counterbores
• 3/8" Inside Diameter
• 1/4" Width
• Mounts on a Type "C" Countersink
• Mounts on a Type "B" Counterbore
Stop Collars - Designed to be used on most of W.L. Fuller Counterbores and Countersinks to control the depth of the Counterbore. These steel collars are held solidly in place with two set screws. The inside diameter of the stop collar fits the outside diameter of the Countersink or Counterbore.