Specification Brand : YWNYT BulletPoint1 : Maximum working pressure of 2000 psi, temperature range from -100 to +660 degrees ℉. BulletPoint2 : The concrete anchor is for heavy duty fastening applications where high pull out values in concrete are needed. It is for concrete only, not for block or brick base material. BulletPoint3 : Material: Made from 304 Stainless Steel, can be used in wet, submerged environments and will not rust. BulletPoint4 : Hole Size Is Anchor Size: Drill bit diameter/Hole diameter is the same as anchor diameter. Use a 3/8" drill bit to drill a hole in the base material (Concrete only). BulletPoint5 : The wedge anchor is used in fastening sheet metal, steel and aluminum angles, or wood to concrete. BulletPoint6 : Support available - every Dorman part is backed by Dorman's ASE Blue Seal Certified technical support team Color : Silver ExteriorFinish : Stainless Steel ExternallyAssignedProductIdentifier1 : 0616050562841 ExternallyAssignedProductIdentifier2 : 616050562841 FinishType : Zinc GradeRating : Grade C ItemName : 26PCS 5/16"x 2-3/4" Stainless Steel Concrete Anchor Bolts Wedge Anchors for Concrete Cement Wall Base Bracket ItemPackageDimensions_Height : 1.57 inches ItemPackageDimensions_Length : 5.12 inches ItemPackageDimensions_Width : 3.15 inches ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : wedge-anchors Manufacturer : moutainsmart ManufacturerGrade : Grade C Material : Stainless Steel MetalType : Stainless Steel ModelNumber : 45658 NumberOfItems : 1 NumberOfPieces : 26 PartNumber : FLY05220 ProductDescription : Specification: Material: Stainless Steel Thread Size: 1/2"-13 Exterior Finish: Stainless Steel Manufacturer Grade: Grade C Package List: 26 x Wedge Anchor