90degree Vacuum Brazed Diamond Countersink Chamfering

Specification :20mm、25mm、30mm、35mm、40mm、50mm、60mm. Material: Diamond Grit: 120# Shank: Round Shank NOTE Water must be added when working, because the diamond mesh is very small, it will be damaged if used without water Uses: used in the hole of the workpiece 90 degrees chamfer or taper. You can complete cone processing for small amount of cutting machining