30Pcs 2 2.5 3 4 5 Mm Diamond Coated Cylindrical Grinding Mounted Point Bits Burrs Jewelry Gems Glass Tile Ceramic Marble Granite - (Hole Diameter: Head Diameter 4mm)

Item Description:30Pcs 2 2.5 3 4 5mm Diamond Coated Cylindrical Grinding Mounted Point Bits Burrs for Jewelry Gems Glass Tile Ceramic Marble Granite Code 20A/25A/30A/40A/50A*2.35The diamond coated grinding mounted point suitable for use in grinding on jewelry, gems, glass, marble, tile or granite.Product Name: Gemstone carving tools, Diamond carving burrsHead Diameter : 2 / 2.5 / 3 / 4 / 5mm , please select the Head Diameter you needTotal length : 42mm (1-21/32")Shank diameter: 2.35mm (3/32")Quantity: Only 30 PcsGrit: 150 MediumMaterial: Metal, diamondColor: Silver ToneUse with water as a lubricantQuick Tips1. Please add water for coolant and grinding slowly2. Never use drills while machine is in hammer action.We Can List Any Size (Head Diameter from 0.4mm - 6mm)& Amount Of This ProductItem Specification:DIY Supplies: TilingType: Core Drill Bitlength: 42mmUse: Masonry Drillingis_customized: YesMaterial: DiamondHead Diameter: 2/2.5/3/4/5mm

• Hole Diameter: Head Diameter 4mm
• DIY Supplies: Tiling
• Type: Core Drill Bit
• length: 42mm
• Use: Masonry Drilling