Yazoeiaing 200pcs M3 Black Hex Socket Cap Head Screw Steel Socket Cup Point Grub Set Hex Socket Set Screw Screw Assortment A1J-407

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. Specifications: Material: 12.9 grade carbon steel Surface Finishing: Oxidation Color: Black Size and Quantity: M3x3mm 25pcs M3x4mm 25pcs M3x5mm 25pcs M3x6mm 25pcs M3x8mm 25pcs M3x10mm 25pcs M3x12mm 25pcs M3x14mm 25pcs Package Includes: 200pcs x Screws