Specification Brand : NINEROARS BulletPoint1 : Diamond Core Drill Bit- 4 inch core drill bits, drilling depth: 15.7"(400 mm), universal thread 1-1/4"-7 Arbor, please check whether the core drill bit model matches the drill machine before purchasing a order. BulletPoint2 : High Performance- Embedded diamond concentration allows bit to drill faster and last longer than the general purpose counterparts. Wet core drill bit features chip removal holes, highly regular sawteeth and concentric axes design. High quality diamond, fast, longer life, smoothly. BulletPoint3 : Wide Application- Core drill bits for concrete, reinforced concrete, block, hard brick, asphalt, marble and other hard masonry. BulletPoint4 : Wet Use Only- The core drill can be used WET ONLY. Start drilling at the vertical position and continue to dig deep. A small amount of water can prolong the service life. Suitable for most handheld core drills or dedicated core drill rigs. BulletPoint5 : NINEROARS is responsible for all of our own branded products. Please feel free to contact us for any quality or usage issues, and we will provide you with the best shopping experience. BulletPoint6 : Ventilated and ribbed for efficient dry core drilling BulletPoint7 : See our other listings for Dry Core Bit Sets and Z1 Core Drills BulletPoint8 : Rotary use only. Do not use a hammer action. Color : Black CompatibleMaterial1 : Stone CompatibleMaterial2 : Marble ExternallyAssignedProductIdentifier1 : 885911947749 ExternallyAssignedProductIdentifier2 : 0885911947749 FinishType : Diamond GpsrSafetyAttestation : 1 IncludedComponents : (1) Core Bit ItemName : NINEROARS 4 Inch Wet Diamond Core Drill Bits for Concrete and Hard Masonry Drill Core Bit with 10mm Segment Height 15" Drilling Depth 1-1/4"-7 Arbor ItemPackageDimensions_Height : 4 inches ItemPackageDimensions_Length : 13.8 inches ItemPackageDimensions_Width : 4 inches ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : core-drill-bits Manufacturer : NINEROARS Material : Diamond Material1 : Blend Material2 : Blend Material3 : Blend Material4 : Blend Material5 : Blend ModelName : DSQ135P2 ModelNumber : 030a60eb-1940-474b-9d8a-d6f926600c32 NumberOfBoxes : 1 NumberOfFlutes : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : ZCDB350102 Pattern : Solid PowerSourceType : hand_powered ProductDescription : NINEROARS 4 Inch Wet Diamond Core Drill Bits for Concrete and Hard Masonry Drill Core Bit with 10mm Segment Height, 15.7" Drilling Depth, 1-1/4"-7 Arbor ProductSiteLaunchDate : 2023-12-15T10:00:59.404Z Size : 4 Inch Style : 6-1/4" X 15" Core SupplierDeclaredDgHzRegulation : unknown SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SurfaceRecommendation : Concrete SurfaceRecommendation1 : Concrete SurfaceRecommendation2 : Brick SurfaceRecommendation3 : Masonry UnitCount : 1 UnspscCode : 27111700