20pcs 2.0mm Shank Diamond Coated Drill Bits Glass Tile Ceramic Marble Rotary Tool Set

Description: 20pcs 2.0mm Shank Diamond Coated Drill Bits Glass Tile Ceramic Marble Rotary Tool Set Specifications: Material : Stainless steel Head Diameter: 1.5mm Shank diameter: 2.0mm Cutting length:11mm Total length: 45mm (1-21/32") Quantity: 20 pcs Features: Application: polished, carved jade, jade, crystal, amber, gourd, walnut, etc. Adaptation: machine with electric grinder, lifting mill, engraving machine, drill, etc. Straight shank design is more suitable for many electric drills and drilling machines Diamond coated on sharp and twisted flute,will make the drilling be more easy and effortless. Add some water when drill a hole for better processing Note: The longer the rod, the lower the speed, otherwise it will bend the tool bar, causing danger, please do a good job safety measures. Package Included: 20pcs x Diamond Coated Drill Bits More Details: