Specification Brand : HH FASTENERS BulletPoint1 : M4 x 8mm thumb Screws,Thread Diameter 4mm BulletPoint2 : Material: Steel; Coating: Nickel BulletPoint3 : Drive Type: Knurled and Slotted and Phillips BulletPoint4 : All the screws are fully threaded. BulletPoint5 : Made in USA by a Family Owned Small Business. Color : Silver DriveSystem : Slotted ExteriorFinish : Nickel ExternallyAssignedProductIdentifier1 : 763684724623 ExternallyAssignedProductIdentifier2 : 0763684724623 GradeRating : 18-8 ItemName : M4 x 8mm Thumb Screws Shoulder Type Metric (Thread Dia. 4.0mm) Knurled Head,20Pcs ItemPackageDimensions_Height : 5 inches ItemPackageDimensions_Length : 5 inches ItemPackageDimensions_Width : 5 inches ItemPackageQuantity : 1 ItemTypeKeyword : thumb-screws Manufacturer : HZ Ltd Material : Steel MeasurementSystem : Metric MetalType : Stainless Steel MetalType1 : Nickel MetalType2 : Alloy Steel ModelNumber : 3/8-24 Rosette B/R NumberOfItems : 20 NumberOfPieces : 20 PartNumber : TBSS4 ProductDescription : Knurled Thumb Screws feature a large cylindrical head with a knurled edge,and are designed to be easily adjusted by hand. Slotted Thumb Screws, which can be tightened using a Slotted Screwdriver. Extra large head with stright knurl. ProductSiteLaunchDate : 2016-06-13T13:46:41.400Z Size : 1.25" SupplierDeclaredDgHzRegulation : unknown UnitCount : 1 UnspscCode : 31161500