3-12mm Alloy Triangle Tip Glass Drill Tile Cermic Drill Triangle Drill

3-12mm Alloy Triangle Tip Glass Drill Tile Cermic Drill Triangle Drill Description: This ceramic triangle drill bit is made of carbide alloy with excellent workmanship and durability.It can be fixed on hand drill, drill press and die grinder fit for wall, plasterboard and marble drilling.The openning is smooth and neat.no broken edge and tremor phenomenon appears.It has small incision resistance increasing the speed of the opening. 7 specifications meet your different working demands. Specifications Material: carbide alloy Application: wall, plasterboard and marble drilling Size: Diameter Length 3mm 58mm 4mm 59mm 5mm 65mm 6mm 70mm 8mm 71mm 10mm 79mm 12mm 80mm Features: Durable and excellent workmanship Opening neat and smooth No broken edges and tremor phenomenon Easy positioning for novice Small incision resistance increasing the speed of the opening Chip removing easilly afer notching 7 specifications(3/4/5/6/8/10/12mm) meet your demands Can be fixed on hand drill,drill press and die grinder Package included: 1X Ceramic Triangle Dirll