Specification Brand : JeeynoTols BulletPoint1 : 【Size】1PC Diameter 4"(100mm), 5/8"-11 Thread,Total length 60mm,Max working depth 50mm, Diamond height 10mm, Diamond Grit #35/40 BulletPoint2 : 【Application】This Vacuum Brazed Diamond Drill Core Bit is Able to Dry Drill Through Porcelain, Tile, Granite, Marble, Stone, Masonry, Block, Brick, and Non-Reinforced Concrete BulletPoint3 : 【Feature】Vacuum brazing technology makes the High-quality diamond grain firmly bonded to the matrix, and the diamond exposure is higher, the processing efficiency is higher, and the service life is longer BulletPoint4 : 【Why choose】Special Designed with Hole in both Sides of Drill Bit for fast Removing Stone Chips and Improve drilling efficiency, and cool the workpiece and bit sooner BulletPoint5 : 【Attention】Not Recommended for Concrete with Reinforcement.Do Not Use Core Drill Bits on Hammer Model.Recommended speed 3000RPM, maximum speed 6000RPM. BulletPoint6 : Thin wall BulletPoint7 : Use with SDS core bit shank 48-03-3555 (8 in.) or 48-03-3561 (12 in.) Color : Orange CompatibleMaterial : Stone CuttingAngleString : 45.0 degrees ExternallyAssignedProductIdentifier1 : 045242105359 ExternallyAssignedProductIdentifier2 : 0045242105359 ExternallyAssignedProductIdentifier3 : 00045242105359 FinishType : Diamond GpsrSafetyAttestation : 1 IncludedComponents : Unit^Instruction Guide ItemDisplayDimensions_Height : 4 inches ItemDisplayDimensions_Length : 8 inches ItemDisplayDimensions_Width : 4 inches ItemName : JeeynoTol Dry Diamond Core Drill Bits 4"(100mm) - Diamond Hole Saw for Drilling Porcelain Ceramic Tile Granite Marble Masonry,5/8"-11 Thread Tile bit Title Tools ItemPackageDimensions_Height : 10.795 centimeters ItemPackageDimensions_Length : 6.9088 centimeters ItemPackageDimensions_Width : 10.5918 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : core-drill-bits Manufacturer : JeeynoTols Material : Diamond ModelNumber : 48-20-5040 NumberOfFlutes : 1 NumberOfItems : 1 NumberOfPieces : 1 PackageLevel : unit PartNumber : B061005801 ProductDescription : Recommended: If fixed on Hand Drills,you could use Hex shank or Triangle shank Adapter to 5/8-11 thread. If fixed on Hammer Drills,please use SDS plus shank Adapter to 5/8-11 thread.Also shut down hammer mode while using the diamond coated milling bit. Other imoprtant tips: When using diamond tools, there are several important factors to consider to ensure safe and effective usage. Safety Gear: Always wear appropriate safety gear, including safety glasses or goggles, gloves, and a dust mask or respirator if necessary. Proper Handling: Handle diamond tools with care, as they can be fragile and easily damaged. Compatibility: Ensure that the diamond tools you're using are suitable for the material you're working on. Mounting and Alignment: Follow our instructions for mounting and aligning the diamond tools correctly. Improper installation can lead to inefficient operation or even accidents. Operating Speed: Be aware of the recommended operating speed for the diamond tools. Cooling and Lubrication: Pay attention to the manufacturer's recommendations for cooling or lubricating the tool to prevent overheating and prolong its lifespan. Pressure and Feed Rate: Apply the appropriate pressure and maintain a consistent feed rate when using diamond tools. Operator Experience: It is essential to have experience or receive proper training before using diamond tools. Regular Inspections: Before and after each use, inspect the diamond tools for any signs of damage or wear.Damaged tools should be replaced to avoid safety hazards.