M4*12 12.9 grade semi-round head internal hexagonal screw

Button Head Hex Socket Screw M4×12, Grade 12.9

Durable and practical M4×12 button head screws with an internal hex socket, perfect for hobby builds, DIY projects, model making, electronics enclosures, 3D printer assemblies, and general workshop use. Made from high-strength grade 12.9 steel, they are a great choice wherever you need a compact head, a clean finish, and reliable fastening performance.

• Thread size: M4
• Length: 12 mm
• Head type: Button head
• Drive type: Internal hex socket
• Material grade: 12.9 steel
• Application: Ideal for hobby, DIY, RC, robotics, and workshop projects
• Pack contents: 50 pcs x M4×12 button head hex socket screws

Thanks to the rounded button head design, these screws offer a neat appearance while maintaining solid clamping strength. The internal hex drive allows for convenient installation with the proper Allen key, making them easy to use in precision assemblies and compact spaces.