10pcs Internal Thread Screw Carbon Steel Thread Solid Lengthened Hex Head Screws Feature:1. Set of 10: The set includes 10 pieces of extended half-thread screws for use, hex head screw, enough quantity for long-term use.2. Carbon Steel Material: The screws are made of carbon steel material, strong and durable, with high hardness and good wear resistance.3. Standard Size: These semi-threaded screws are precision made, standard, professional and accurate.4. Perfect Replacement Part: These hexagonal half-round screws are perfect for replacing worn or damaged hardware parts, it has strong stability.5. Universal: Hexagon screws are suitable for gasoline generator, fuel pump, micro soil tillage machine, garden appliance, grinder, lawn mower, car wash, medicine applicator, etc. Specification: Item type: half thread screw Material: carbon steel Color: blue white zinc Applies to: gasoline generator, fuel pump, micro tillage machine, gardening device, grinder, lawn mower, car wash, medical applicator etc. Package list: 10 x half thread screw