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, pass 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 : 【7 Various Standard Sizes】this VIGRUE Concrete Screws kit includes 3/16" series 4 lentghs: 1-1/4", 1-3/4", 2-1/4", 2-3/4" ; 1/4" series 3 lentghs: 1/4" x 1-1/4", 1-3/4" and 2-1/4"; totally 175PCS SCREW BulletPoint4 : 【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. BulletPoint5 : 【Head Style】Hex Head slotted head; Driver: 5/16" and 1/4" hex 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) Color : Blue DriveSystem : External Hex ExteriorFinish : Alloy Steel ExternallyAssignedProductIdentifier : 8306025209483 ExternallyAssignedProductIdentifier1 : 716715821310 ExternallyAssignedProductIdentifier2 : 0716715821310 GradeRating : Standard ItemName : VIGRUE Concrete Screws Assortment Kit 1/4" x 1-1/4" to 2-1/4" and 3/16" x 1-1/4" to 2-3/4" 175PCS Hex Head Cement Screws Set Diamond Point for Anchoring to Masonry, Block or Brick ItemPackageDimensions_Height : 20.9 centimeters ItemPackageDimensions_Length : 4.3 centimeters ItemPackageDimensions_Width : 16.4 centimeters ItemPackageQuantity : 175 ItemShape : Block ItemTypeKeyword : concrete-screws Manufacturer : VIGRUE Material : Carbon Steel MeasurementSystem : Imperial MetalType : Carbon Steel NumberOfItems : 2 NumberOfPieces : 175 PartNumber : 175 concrete screw ProductDescription : VIGRUE Concrete Screws Assortment Kit 1/4" x 1-1/4" to 2-1/4" and 3/16" x 1-1/4" to 2-3/4" 175PCS Hex Head Cement Screws Set Diamond Point for Anchoring to Masonry, Block or Brick ProductSiteLaunchDate : 2023-09-26T02:41:42.824Z Size : 1/4" Style : Slotted Hex UnitCount : 175 UnspscCode : 31161500