Specification Brand : VIGRUE BulletPoint1 : 【Strong Anti-rust】these screw anchors undergoes RUSPERT processing technology which includes 3 various corrosion resistance layers treatment; offering excellent anti-corrosion and oxidation resistance performance, past salt spray 1000 hours test. BulletPoint2 : 【Sturdy and Durable】these screws are made of 1022A carbon steel features high hardness, coarse and strong penetration; designed for use in Concrete, Block, and Brick. BulletPoint3 : 【8 Various Standard Sizes】this VIGRUE Concrete Screws kit includes 3/16" series 5 lentghs: 1-1/4", 1-3/4", 2-1/4", 2-3/4" and 3-1/4" ; 1/4" series 3 lentghs: 1/4" x 1-1/4", 1-3/4" and 2-1/4"; totally 210PCS SCREW BulletPoint4 : 【Head Style】Flat Countersunk Phillips head; Driver: ph2 drive bit; Thread Diameter: 1/4" and 3/16", requires hole to be drilled in (predrilling dirll bit size: 3/16 bit for 1/4; 5/32 bit for 3/16) BulletPoint5 : 【DIAMOND POINT Design】these screws with strong diamond point make it easier to drive the screw and save your time. Can be directly screw into masonry and requires no other anchor. Color : 50mm DriveSystem : Phillips ExteriorFinish : Steel ExternallyAssignedProductIdentifier : 9874506842119 FinishType : Anti Corrosion Topcoat ItemName : VIGRUE 1/4" 3/16" Concrete Screws Assortment Kit 210PCS Flat Head Cement Screws for Anchoring to Masonry, Block or Brick, Diamond Point, Length 1-1/4" to 2-3/4" ItemPackageDimensions_Height : 23.2 centimeters ItemPackageDimensions_Length : 4.1 centimeters ItemPackageDimensions_Width : 16.9 centimeters ItemPackageQuantity : 210 ItemTypeKeyword : concrete-screws Manufacturer : VIGRUE Material : Carbon Steel MetalType : Carbon Steel NumberOfItems : 230 NumberOfPieces : 210 PartNumber : 210 concrete ProductDescription : VIGRUE 1/4" 3/16" Concrete Screws Assortment Kit 210PCS Flat Head Cement Screws for Anchoring to Masonry, Block or Brick, Diamond Point, Length 1-1/4" to 2-3/4" ProductSiteLaunchDate : 2023-09-26T02:43:25.455Z Size : 1/4" SpecificUsesForProduct1 : Wood SpecificUsesForProduct2 : Steel Style : Phillips Flat SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 210 UnspscCode : 31161500