M4*22 12.9 grade semi-round head internal hexagonal screw

Button Head Hex Socket Screw M4×22, Grade 12.9

Reliable and durable M4×22 button head screws made from high-strength grade 12.9 steel. A great choice for hobby projects, DIY builds, RC models, 3D printer assemblies, robotics, and all kinds of precision mechanical work where strength and a neat finish matter.

The rounded button head gives your build a clean, low-profile look, while the internal hex socket makes installation easy and secure with the right Allen key.

• Thread size: M4
• Length: 22 mm
• Head type: Button head
• Drive type: Internal hex socket
• Material grade: High-strength steel, grade 12.9
• Ideal for: Hobby, DIY, electronics, model building, and mechanical assemblies
• Pack quantity: 50 pcs

Package includes:

• 50 x M4×22 button head hex socket screws