Specification Brand : The Hillman Group BulletPoint1 : Country Of Origin: Taiwan, Province Of China BulletPoint2 : Package length: 2.5" BulletPoint3 : Package Width: 1.3" BulletPoint4 : Package Height: 1.4" BulletPoint5 : ADVANTAGE: Precision mechanical thread, high torque drive groove type, good locking effect. Compact size and concealed installation. Carbon steel and stainless steel materials can adapt to various indoor and outdoor environments, and are durable and easy to disassemble. Color : Silver Tone DriveSystem : External Hex ExteriorFinish : Stainless Steel ExternallyAssignedProductIdentifier : 8697545852946 ExternallyAssignedProductIdentifier1 : 008236492385 ExternallyAssignedProductIdentifier2 : 0008236492385 ExternallyAssignedProductIdentifier3 : 00008236492385 GradeRating : Premium ItemName : The Hillman Group 4626 4-40 x 1/2-Inch - USS Socket Set Screw, 25-Pack ItemPackageDimensions_Height : 3.81 centimeters ItemPackageDimensions_Length : 6.35 centimeters ItemPackageDimensions_Width : 3.302 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : set-screws Manufacturer : The Hillman Group Material : Metal Material1 : Stainless Steel Material2 : Carbon Steel MeasurementSystem : Imperial MetalType : Stainless Steel ModelNumber : 4626 NumberOfItems : 25 NumberOfPieces : 25 PartNumber : 4626 ProductDescription : Feature: Silver tone 304 Stainless Steel material, M8 x 50mm Thread, 1.25mm pitch, hex head Grub Screw flat point socket. often used for holding a pulley, gear, or other parts from turning relative to a shaft.