Specification Brand : Vermont Gage BulletPoint1 : High Speed Steel, BulletPoint2 : Short Series BulletPoint3 : Straight Shank ItemName : 1 7/16" Interchangeable Pilot Counterbore ItemTypeKeyword : counterbores Manufacturer : Meda - Superior Import Material : steel MeasurementSystem : Imperial PartNumber : 1225092 ProductDescription : Overall Length - 7 7/8", Shank Diameter - 1 1/4" x 5 7/8", Pilot Hole Diameter - 5/16". Used in spot facing and counterboring operations. . These counterbores can be used with a wide variety of pilots. The shank diameter of the pilots ordered must be the same as the pilot hole size in the counterbore. We stock a complete range of pilots; please inquire. ProductSiteLaunchDate : 2012-08-02T16:17:11.135Z UnitCount : 1 UnspscCode : 27111700