Specification Brand : Fasteners Plus BulletPoint1 : [SELF DRILLING] Pole barn screws designed to attach long-life metal roof and sidewall panels such as Galvalume on pre-engineered metal buildings BulletPoint10 : Head Style: Flat (T-40 Star Bit) BulletPoint2 : [COATED SCREWS] Feature a tough 2.5 mils of powder coating that will not chalk or fade due to UV inhibitor in all colored coatings. BulletPoint3 : [EPDM RUBBER WASHER] Cupped head encapsulates to provide a secure seal even when driven at an angle BulletPoint4 : [DEEP PENETRATION] Self drilling fastener easily penetrates steel up to 0.210" thickness with no "point walking" BulletPoint5 : [ZXL NO RED RUST] 5/16" Cupped HWH ZAMAC 5 Zinc-Aluminum Alloy provides lifetime protection against red rust on the head BulletPoint6 : Diameter: 5/16" BulletPoint7 : Length: 3-1/4 inches BulletPoint8 : Material: Steel BulletPoint9 : Finish: Blue Ruspert Color : Galvanized CompatibleGrooveDiameter : 0.375 inches CustomerPackageType : Standard Packaging DriveSystem : External Hex ExteriorFinish : Powder Coated ExternallyAssignedProductIdentifier1 : 707392004325 ExternallyAssignedProductIdentifier2 : 0707392004325 ExternallyAssignedProductIdentifier3 : 00014973162399 FinishType : Uncoated GradeRating : Premium ItemName : Fasteners Plus ST Fastening ZXL SteelBinder Metal to Metal 1/4" x 7/8" Self-Drilling Galvanized Screws with EPDM Rubber Washer, 250-Count - Designed for Roofing and Siding Panels ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 20 centimeters ItemPackageDimensions_Width : 12 centimeters ItemPackageQuantity : 250 ItemTypeKeyword : sheet-metal-screws Manufacturer : ST Fastening Material : Carbon Steel MaximumShearStrength : High MeasurementSystem : Imperial MetalType : Carbon Steel ModelName : 162399 ModelNumber : 1/4" * 6" NumberOfBoxes : 1 NumberOfItems : 250 NumberOfPieces : 50 PartNumber : 14B87DLZ0ZS ProductDescription : The ZXL Steelbinder Self-Drilling Metal Roofing Screws are engineered for precision and durability, providing a secure connection for metal roofing panels and siding to steel structures. Featuring a 1/4" Diameter Stitch, they will securely fasten panel sidelaps up to 18 ga. panel thickness with no strip-out.. These screws are cupped HWH ZAMAC Zinc-Aluminum Alloy that provides lifetime protection against red rust on the head. You can trust that these screws won't chalk or fade, preserving the aesthetics of your building. Perfect for residential, commercial, and agricultural applications, these screws feature a self-drilling tip that streamlines installation and a bonded EPDM washer to ensure long-lasting, watertight performance. Designed to resist the harshest elements, ZXL screws deliver superior corrosion protection and strength. ProductSiteLaunchDate : 2022-02-04T05:05:44.427Z Size : 1/4" x 7/8" Style : Tapcon Bit SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Concrete SurfaceRecommendation1 : Concrete SurfaceRecommendation2 : Brick UnitCount : 250 UnspscCode : 31161500