1、Made of Carbon steel color zinc plated material, which provides strength and offers good corrosion resistance in many environments. 2、Great for use in confined areas where you need hex flat head screw hammer head nut. 3、There are several common sizes that you can use for general purpose. 4、These screws and nuts will be great replacement for industrial and construction fasteners. 5、Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry. Features: 1. Made of Carbon steel color zinc plated material, which provides strength and offers good corrosion resistance in many environments. 2. Great for use in confined areas where you need hex flat head screw hammer head nut. 3. There are several common sizes that you can use for general purpose. 4. These screws and nuts will be great replacement for industrial and construction fasteners. 5. Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry. Specification: Condition: 100% Brand New Material: Carbon steel color zinc plated Color: As Pictures Show Quantity: 10pcs 6 * 30mm / 0.2 * 1.2in 6 * 70mm / 0.2 * 2.8in 6 * 75mm / 0.2 * 3.0in 6 * 80mm / 0.2 * 3.15in 6 * 85mm / 0.2 * 3.35in 6 * 90mm / 0.2 * 3.54in 6 * 100mm / 0.2 * 3.94in 6 * 110mm / 0.2 * 4.33in 6 * 120mm / 0.2 * 4.72in Package List: 10 * Nut and Screw