Hex Socket Head Cap Screw M3 X20

Black steel bolts are high-strength fastening components manufactured from durable carbon steel and finished with a black surface coating for enhanced appearance and corrosion resistance. Designed for demanding industrial, construction, machinery, automotive, and engineering applications, these bolts provide reliable clamping force and long-lasting performance under heavy loads and challenging operating conditions.

The precision-machined threads ensure secure and accurate assembly, while the robust steel construction delivers excellent tensile strength, wear resistance, and structural stability. The black finish offers a professional appearance and additional protection against environmental factors, making these bolts suitable for both indoor and outdoor use.

Available in various sizes, thread types, and strength grades, black steel bolts are ideal for connecting metal, wood, and other structural components where strength, durability, and dependable fastening performance are required.

• Size: M3 x 20 mm
• Strength Grade: 8.8
• Color: Black
• Measurement System: Metric
• Diameter: 3 mm
• Length: 20 mm

This M3 x 25 mm socket head cap screw is manufactured from high-quality steel with a Grade 8.8 strength rating, providing excellent durability and reliable mechanical performance. Featuring a cylindrical Allen (hex socket) head design, it is suitable for a wide range of industrial, mechanical, automotive, and assembly applications.

The screw is finished in black and coated with a special zinc (galvanized) plating to enhance corrosion resistance and extend service life. Its precision metric thread ensures secure fastening and easy installation, while the high-strength steel construction delivers dependable performance under demanding conditions.