ITEM NAME:5Pcs/set 6mm Tungsten Carbide Glass Drill Bit With Hex Shank Tool FT.Easy to decorate after slotting, easy chip removal. -Clip in ordinary hand drill or bench drill can be used. 5x 6mm Triangular ceramic, marble, glass drills. Material: Titanium alloy. -Open hole when the need to add coolant such as water, kerosene, turpentine, etc., especially in the beginning of drilling and drilling will be added when the coolant, can improve the service life.
