1The screws are made of quality aluminum alloy material, such material provides strength and offers good corrosion resistance in many environmental conditions 2Ideal application for confined ares where the head needs to be flush or below the surface 3Fixing component, industrial and construction fasteners 43 screws length in 3 different colors for your selection 5Used widely in the home and office appliance, communication equipments and other machinery industry Description: The screws are made of aluminum alloy materials, which is resistant to rust and corrosion. They can be commonly used in home and office appliance, machinery, furniture, repair and DIY inventions. Features: The screws are made of quality aluminum alloy material, such material provides strength and offers good corrosion resistance in many environmental conditions. Ideal application for confined ares where the head needs to be flush or below the surface. Fixing component, industrial and construction fasteners. 3 screws length in 3 different colors for your selection. Used widely in the home and office appliance, communication equipments and most mold making or assembling. Specifications: Condition: 100% Brand New Material: 7075 Aluminum Alloy Type: Button Head Screws Color: Purple, Red, Green (Optional) Tensile Strength: 524Mpa 0.2% Yield Strength: 455 MPa Elastic Modulus E: 71 GPa Hardness: 150HB Density: 2.81g/cm3 Thread Diameter (mm.): 3mm / 0.12"(M3) Size and Quantity: Screws: (Optional) M3 x 6mm 10pcs/lot M3 x 8mm 10pcs/lot M3 x 10mm 10pcs/lot Package Weight: About 3g Package Included: 1 x Lot of 10pcs M3 Hex Socket Screws Note: 1. Please allow 0~1inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.