Specification Brand : Bonost BulletPoint1 : Unique Thread Design: The concrete screw features a hi-low thread design for effective concrete cutting and alignment. Its nail-type point guides the anchor into the pre-drilled hole. BulletPoint2 : High-quality Material: Made of tempered, high-grade steel, the concrete screws ensure torque and holding power. They also come with a corrosion-resistant coating to enhance their durability and longevity. BulletPoint3 : Easy to Use: Drill a pilot hole, insert the brick screw, and tighten it with a screwdriver or drill. Avoid over-tightening to prevent damage to the concrete or attached object. BulletPoint4 : Wide Application: Bonost masonry screws are versatile, suitable for attaching wood or metal framing, brackets, electrical boxes, shelving, and fixtures to concrete or masonry surfaces. BulletPoint5 : What You Get: 300 pcs of 8 sizes concrete screws for brick applications, and friendly customer service. If you have any questions about our concrete screws, please feel free to contact us. BulletPoint6 : [MATERIAL] Manufactured from Heat-Treated 1022A High Strength Carbon Steel for Strength and Durability BulletPoint7 : [SERVICE] 100% Customer Satisfaction and Money Back Guarantee & Responsive Customer Support for Returns BulletPoint8 : Minimum Embedment: The Minimum Anchor embedment into the Base Material is 1". This means the Anchor must be installed so that a minimum of 1" of the anchor is embedded into the Base Material Fixture Hole Diameter: FOR 3/16" - The Hole in the Fixture or Base Material being Fastened must be Larger than the designated diameter of the anchor. The 3/16" diameter anchor requires the hole in the fixture to be 1/4" BulletPoint9 : Spacing between Anchors: Each anchor must be spaced a Minimum Distance of 3" from each other Anchor when measured center to center Edge Distance: FOR 3/16" - Each anchor Cannot be installed any closer than 2-1/4" from an unsupported edge of the Base Material Maximum Fixture Thickness: The Maximum Fixture Thickness or the Maximum Thickness of the Material being Fastened for a anchor is 0" to 1/4". This will ensure that the Minimum Embedment of 1" will be met Color : Clear Color1 : Blue Color2 : Silver CompatibleFastenerDescription : 0.5 inches CompatibleGrooveDiameter : 0.0625 inches DriveSystem : External Hex ExteriorFinish : Alloy Steel ExternallyAssignedProductIdentifier : 00850059746165 ExternallyAssignedProductIdentifier1 : 4042146193570 ExternallyAssignedProductIdentifier2 : 04042146193570 FinishType : Stainless Steel GpsrSafetyAttestation : 1 GradeRating : industrial ItemDisplayWeight : 0.27 kilograms ItemName : Bonost 300Pcs Concrete Screw Assortment Kit - 1/4 3/16 Concrete Screws with Drill Bit 8 Sizes - Flat & Hex Head Brick Screws for Masonry, Block and Cement ItemPackageDimensions_Height : 28.5 centimeters ItemPackageDimensions_Length : 6.2 centimeters ItemPackageDimensions_Width : 17.1 centimeters ItemPackageQuantity : 1 ItemShape : Conical ItemTypeKeyword : concrete-screws Manufacturer : Bonost Material : Alloy Steel MeasurementSystem : Imperial MetalType : Stainless Steel ModelName : 515.1064 ModelNumber : 515.1064 NumberOfBoxes : 1 NumberOfItems : 300 NumberOfPieces : 300 PackageLevel : unit PartNumber : k08 ProductDescription : Bonost 300Pcs Hex Head Concrete Screw Assortment Kit 8 Sizes ProductSiteLaunchDate : 2023-10-16T01:41:13.447Z Size : 1/4" 3/16" StreetDate : 2020-02-27T00:00:01Z Style : Slotted Hex SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 300 UnspscCode : 31161500