Specification Brand : Windzerdong BulletPoint1 : High hardness, rustproof, solid and durable BulletPoint2 : Self-centering point, do not need assistant center drilling or center punching BulletPoint3 : Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency BulletPoint4 : Spiral groove, within the processing thread, cutting up to exclude, and was curled applied internally threaded through holes BulletPoint5 : For any issue after purchase, don't hesitate to send an email to us, we will deal with the problem positively Color : 18mm ExternallyAssignedProductIdentifier : 7635732409956 ItemName : Windzerdong 1pcs 16-25mm Forstner Drill Bit 1/4" Hex Shank Hole Cutter Opener Spiral Core Drill Bit Self Centering Hole Saw(18mm) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : forstner-bits Manufacturer : Windzerdong ModelNumber : Windzerdong NumberOfItems : 1 NumberOfPieces : 1 PartNumber : Windzerdong ProductDescription : 16-25mm Forstner Drill Bit 1/4" Hex Shank Hole Cutter Opener Spiral Core Drill Bit Self Centering Hole Saw Features: 1. High hardness, rustproof, solid and durable. 2. Self-centering point, do not need assistant center drilling or center punching. 3. Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency. 4. Spiral groove, within the processing thread, cutting up to exclude, and was curled applied internally threaded through holes. Specification: Material: Carbide Shank: 1/4''(6.35mm) Cutting Diameter: 16/18/20/22/25mm Recommended speed: ProductSiteLaunchDate : 2025-02-02T11:10:13.317Z Size : One Size UnitCount : 1 UnspscCode : 20121600