Meco 10pcs 5mm Diamond Coated Glass Drill Bits 3/16 Inch Marble Drill Bits

Description: 10pcs 5mm 3/16" Diamond Coated Core Drill Bit Hole Saw Tile Marble Glass Specification: Material: carborundum Color: silver Length: 5cm/1.97''(appr.) Features: Please add water for coolant and drill slowly. Drilling stably, fast speed, not breaking the border. Suitable for use in drill hole on glass, marble,tile or granite. Package Included: 10 x drill bits More Details: