M4*8 12.9 grade semi-round head internal hexagonal screw

Button Head Socket Cap Screw M4×8, Grade 12.9

Compact, strong, and perfect for hobby builds, repairs, and precision assemblies. This M4×8 button head socket cap screw is made from high-strength Grade 12.9 steel, making it a great choice wherever you need a durable and reliable fastening solution with a clean, low-profile finish.

• Thread size: M4
• Length: 8 mm
• Head type: Button head
• Drive type: Internal hex socket
• Material grade: Grade 12.9 steel
• Application: Ideal for hobby projects, mechanical assemblies, robotics, RC models, and DIY repairs
• Key benefit: High strength combined with a neat, compact head design

Package includes:

• 50 pcs × M4×8 button head socket cap screws