5pcs Carbide Triangle Drill Bits Marble Drilling Glass Tile Ceramic Drill Bit

Feature: * brand new and high quality. *Made of high-quality materials durable and practical. *Carbide cutter head material has stronger hardness.Carbide drill bits are durable and can keep sharp for longer than typical steel drill bits. *Precision Drilling:The drill has smooth hole opening no edge breaking no tremor easy positioning and improved drilling speed. *The spiral torsion shaft increases the cutting area and leaves a clean hole.Combining chip removal and drill the pointed design is more convenient to use save time and can punch holes quickly. *The sturdy tungsten carbide tip with pointed design can easily penetrate various materials (porcelain tiles glass mirrors plastic bricks and wood). *If you use a drill to drill concrete brick walls and other hard materials (glass porcelain floor tiles marble or granite) please use water to lubricate. *There are 7 specifications to choose from:3mm 4mm 5mm 6mm 8mm 10mm 12mm. Specification: Material: Cemented carbide Color: black Size: Head diameter: 3mm handle diameter: 2.4mm working length: 58mm total length: 80mm Head diameter: 4mm handle diameter: 3.6mm working length: 58mm total length: 80mm Head diameter: 5mm handle diameter: 4.5mm working length: 58mm total length: 80mm Head diameter: 6mm handle diameter: 4.8mm working length: 62mm total length: 100mm Head diameter: 8mm handle diameter: 6.4mm working length: 68mm total length: 110mm Head diameter: 10mm handle diameter: 8.3mm working length: 78mm total length: 120mm Head diameter: 12mm handle diameter: 8.3mm working length: 75mm total length: 125mm Package Included: 5* Drill bit Please Note: -Due to the difference between different monitors the picture may not reflect the actual color of the item. Thank you! -Manual measurement please allow 1-3cm error. Thanks for your understanding.