Half Thread Black Hexagonal Bolt UNF Grade 10.9 Size 4 mm | Al Hadhara Tower Trading

Half threaded black hexagonal bolt manufactured by Al Hadhara Tower Trading is made from high-quality black steel, offering excellent durability and strength for various construction applications. This bolt is designed with UNF fine threads and Grade 10.9 hardness, making it suitable for securely fastening wood, metal components, and electrical appliances. Easy to install and remove using a screwdriver or hex wrench, it meets DIN-931 & 933 standards, ensuring reliability in building supplies across Saudi Arabia.

• Size: 4 mm
• Length: Minimum 10 mm - Maximum 60 mm
• Grade: 10.9 (ASTM - A307 - B, A325, G5)
• Material: Black Steel
• Thread Type: UNF (Fine Thread)
• Standard: DIN-931 & 933