M4*30 12.9 grade semi-round head internal hexagonal screw

Button Head Hex Socket Screw M4×30, 12.9 Grade Steel

Looking for durable, high-strength fasteners for your DIY, workshop, or hobby builds? This M4×30 button head screw with an internal hex socket is a reliable choice for projects that need a clean look and solid performance. Made from tough 12.9 grade steel, it is well suited for assemblies where strength and a secure fit matter.

• Thread size: M4
• Length: 30 mm
• Head type: Button head
• Drive type: Internal hex socket
• Material grade: 12.9 grade steel
• Application: Great for hobby projects, mechanical assemblies, repairs, and custom builds
• Pack size: 50 pieces

The rounded button head provides a neat, low-profile finish, while the hex socket drive helps ensure easy tightening with the right tool. A practical choice for makers, model builders, and anyone who wants dependable hardware on hand.

Package includes:

• 50 x M4×30 button head hex socket screws