Specification Brand : Fastenere BulletPoint1 : Thread Diameter 0.112" BulletPoint2 : Head Diameter 0.212" BulletPoint3 : 82 Degree Countersink - Head Height 0.047" BulletPoint4 : Phillips Drive #1 BulletPoint5 : 18-8 Stainless Steel provides strength and offers good corrosion resistance in many environments. Color : Stainless Steel DriveSystem : Phillips ExteriorFinish : Bright Finish ExternallyAssignedProductIdentifier1 : 842176128634 ExternallyAssignedProductIdentifier2 : 0842176128634 ExternallyAssignedProductIdentifier3 : 00049793167316 ExternallyAssignedProductIdentifier4 : 0738287793352 ExternallyAssignedProductIdentifier5 : 00738287793352 GpsrSafetyAttestation : 1 GradeRating : Standard ItemName : 4-40 x 2-1/2" Flat Head Machine Screws, Phillips Drive, Stainless Steel 18-8, Full Thread, Bright Finish, Machine Thread, Quantity 50 by Fastenere ItemPackageDimensions_Height : 6 inches ItemPackageDimensions_Length : 3 inches ItemPackageDimensions_Width : 1 inches ItemPackageQuantity : 50 ItemTypeKeyword : machine-screws Manufacturer : Fastenere ManufacturerGrade : Grade 18 8 Material : Stainless Steel MaximumShearStrength : 375 MPa MeasurementSystem : Imperial MetalType : Stainless Steel ModelName : 9131025 ModelNumber : 9131025 NumberOfItems : 50 NumberOfPieces : 10 PartNumber : 3SSMPF04C208 ProductDescription : Machine screws are often used with nuts but also often driven into tapped holes (without nuts). They might be considered a screw or a bolt based on the Machinery's Handbook distinction. In practice, they tend to be mostly available in smaller sizes and the smaller sizes are referred to as screws or less ambiguously as machine screws, although some kinds of machine screw can be referred to as stove bolts. A flat head is A head with flat top and a conical bearing surface (bottom). Designed to be Countersunk. Rod with spiral threads the entire length and with one flat end and a head on other end. Holds object to another object that has a pre-threaded hole, frequently a nut. Usually manufactured from metal. Can be rotated into or out of the object using a screwdriver or wrench. ProductSiteLaunchDate : 2016-09-14T16:21:07.154Z Size : 4-40 x 2-1/2" (50 Pack) Style : Hex Washer Head SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 31161500