Specification: Description: These screws and nuts are made of 12.9 grade alloy carbon steel, which provides strength and is commonly used when requiring higher mechanical properties. There are many length for your choice which can be commonly used in home and office appliance, machinery, furniture, repair and DIY inventions. <br /> Features: Made of 12.9 grade alloy carbon steel, which provides strength and is commonly used when requiring higher mechanical properties. Ideal for use in confined areas where you need hex socket cap head screws. Fixing component, industrial and construction fasteners. 17 common sizes and different quantities that you can choose for general purpose use. Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry. <br /> Specifications: Material: 12.9 grade alloy carbon steel Color: Black<br /> Type: Hex socket cap head Size:optional M3x4mmfully-threaded M3x5mmfully-threaded M3x6mmfully-threaded M3x8mmfully-threaded M3x10mmfully-threaded M3x12mmfully-threaded M3x14mmfully-threaded M3x16mmfully-threaded M3x18mmfully-threaded M3x20mmfully-threaded M3x22mmfully-threaded M3x25mmfully-threaded M3x30mmpartially-threaded M3x35mmpartially-threaded M3x40mmpartially-threaded M3x45mmpartially-threaded M3x50mmpartially-threaded Quantity: 24pcs, 50pcs, 100pcsoptional <br /> Package Includes:<br /> 1 Bag x Screws <br /> <br /> Note:<br /> 1. Please allow 1-2mm error due to manual measurement. Thanks for your understanding.<br /> 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.

The delivery time is around 10-20 working days after your purchase