Specification Brand : QBJFY BulletPoint1 : Screw Type : Cup Point Socket Set Screw BulletPoint2 : Set Screws Material - The Internal Hex Head Set Screws are made of high-quality stainless Steel 304 material.The Set Screws have long service life, not easy to break. BulletPoint3 : Grub screws Application - Widely used in various repairs around shops, garages, or homes, such as door handles, faucets, lighting equipment, knobs, locks, toys, musical instruments and electronic products, etc.professional electricians, plumbers, builders, DIY enthusiasts and so on. BulletPoint4 : Hexagon socket fixed flat head screw: firm, corrosion-resistant, deep thread, smooth surface, sharp thread, uniform force and firm anti-slip. Very suitable for narrow areas where the head needs to be flush or below the surface and easy to install. It can be well hidden without affecting the aesthetics of the project. BulletPoint5 : Package Including: 100Pcs x Cup Point Socket Set Screw.Size: M3-0.5x8mm Color : Silver DriveSystem : External Hex, Internal Hex ExteriorFinish : Stainless Steel ExternallyAssignedProductIdentifier1 : 762262437139 ExternallyAssignedProductIdentifier2 : 0762262437139 GradeRating : Class 12.9 ItemName : 100 Pcs M3-0.5x8mm Hex Socket Head Cup Point Set Screws, Allen Head Grub Screw, Internal Hex Drive Headless Set Screw, 304 Stainless Steel,for Bathroom Fixtures, Door Knobs, Faucets, Plumbing ItemPackageDimensions_Height : 0.5 centimeters ItemPackageDimensions_Length : 0.5 centimeters ItemPackageDimensions_Width : 0.5 centimeters ItemPackageQuantity : 100 ItemTypeKeyword : set-screws Manufacturer : QBJFY ManufacturerGrade : Grade M4 Material : Carbon Steel Material1 : Stainless Steel Material2 : Stainless Steel MeasurementSystem : Metric MetalType : Carbon Steel ModelNumber : TSD-14.28-0750-TEE-R NumberOfItems : 100 NumberOfPieces : 20 PartNumber : QBJFYx142 ProductDescription : product description Hexagon socket set screw is made of high-quality 304 Stainless Steel, which has excellent corrosion resistance, oxidation resistance, corrosion resistance, long service life and is not easy to break. The thread is clear and tidy; The standard hexagonal structure of flat head screw makes the force uniform during installation; Good design can improve the shock resistance of products, prevent components from loosening and provide great torque and clamping force. It is widely used in various repairs around shops, garages or homes, such as door handles, faucets, lighting equipment, knobs, locks, toys, musical instruments and electronic products.