Excel Granite Drill Bit Shank 55mm
Core Bit with Metal Bonding Technology is for long life and performance.
Drill marble,granite,concrete,ceramics,porcelain,Quartz,FRP,FTP,slate and number of hard and brittle materials.
Agressive diamond and metal matrix produce high productivity and endurance.Low wear rate.Fits on all universal hand drills.
Apply proper drill pressure to keep from overheating.Use water as coolant and lubricant.
Technical specifications - Diameter 55 mm , Length - 80 mm.