Specification Brand : Multizenic BulletPoint1 : Advanced Technology: Utilizing advanced powder production technology with vacuum sintering, our drill bit ensures extended service life and durability. BulletPoint2 : Versatile Application: Ideal for drilling through various materials like marble, tile, concrete, wall, and glass, making it a must-have hand tool accessory for professionals and DIY enthusiasts. BulletPoint3 : Efficient Chip Removal: The segmented open hole design offers reduced cutting , facilitating efficient chip removal and ensuring a smooth drilling experience. BulletPoint4 : Compatible with Multiple Drills: This hole opener can be used with bench drills, hand drills, and drilling machines (excluding impact drills) for versatile operation. BulletPoint5 : Precise Drilling: Position at an oblique angle of 45 or drill vertically with . Remember to maintain a slow drilling speed of approximately 800-1000 rpm for optimal results. Color : 25mm ExternallyAssignedProductIdentifier : 5009297029447 IncludedComponents : No ItemName : Multifunctional Marble Hole Saw Drill Bit for Tile, Concrete, Wall, Glass, 65 75mm, Advanced Powder Technology (70mm) ItemPackageDimensions_Height : 8 centimeters ItemPackageDimensions_Length : 18 centimeters ItemPackageDimensions_Width : 14 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hole-saw-pilot-bits Manufacturer : Multizenic Material : tungsten steel alloy ModelName : 2037 ModelNumber : Multizenicdbistync2g-12 NumberOfItems : 1 PartNumber : Multizenicdbistync2g-12 ProductDescription : Item Type: Hole saw drill bit Size(Optional):