Specification Brand : Haosie BulletPoint1 : PACKAGE INCLUDES - You will receive a total of 200 pcs socket head screws, in 10 sizes of: M3 x 3, M3 x 4, M3 x 5, M3 x 6, M3 x 8, M3 x 10, M3 x 12, M3 x 14, 25 pcs for each size, so that there are a big chance for you to find various size you need for your projects. BulletPoint2 : EASY TO USE - Black hex socket set screws assortment kit, containing the most used 8 sizes. Our steel screw with even force has deep thread, you can simple drive with a hex key. Glossy face and sharpned screw teeth can makes you securely work without slipping. BulletPoint3 : CARBON STEEL - These set screws are made from 12.9 grade carbon steel for high hardness, durability and long service life. Oxidation face finishing provides these set screws a cover of rust and corrosion protection, can also be used normally in harsh environments, strong and durable. BulletPoint4 : MULTIFUNCTION - They are multipurpose hex socket head set screws that you can simple drive with a hex key. Widely used in garages, shops or faucets, door handles around the home, lamps, knobs, plumbers and other minor repairs. BulletPoint5 : AFTER SALES SERVICE - Your satisfaction is our greatest wish! We will provide you with reliable after sales service. If you encounter any problems during the purchase process, please feel free to contact us to deal with it. Color : Grey DriveSystem : Internal Hex ExteriorFinish : Alloy Steel ExternallyAssignedProductIdentifier1 : 628489654899 ExternallyAssignedProductIdentifier2 : 0628489654899 ItemName : Haosie M3 Metric Set Screw, 200pcs Socket Hex Grub Screw Set, Black Carbon Steel Hex Socket Set Screw Screw Assortment Kit for Door Handles Light Fixture Screws ItemPackageDimensions_Height : 11.5062 centimeters ItemPackageDimensions_Length : 1.1938 centimeters ItemPackageDimensions_Width : 10.2108 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : set-screws Manufacturer : Haosie Material : Carbon Steel Material1 : Stainless Steel Material2 : Acetal MeasurementSystem : Imperial MetalType : Carbon Steel ModelNumber : Haosieisw641gm92 NumberOfItems : 4 NumberOfPieces : 200 PartNumber : Haosieisw641gm92 ProductDescription : Description: A set screw is a type of screw generally used to secure an object within or against another object without using a nut. The most common examples are securing a pulley or gear to a shaft. Set screws are fully threaded and has no head projecting past the major diameter of the screw thread. These set screws are driven with an internal wrenching hex socket drive.