M4*20 12.9 grade hex socket head cap screw

Hex Socket Cap Screw M4×20, Grade 12.9

Reliable and durable M4×20 hex socket cap screws made from high-strength Grade 12.9 steel. A great choice for hobby projects, workshop builds, DIY assemblies, robotics, 3D printer upgrades, RC models, and anywhere you need a strong, precise fastener with a clean cylindrical head.

Thanks to their compact socket head design, these screws are easy to tighten with an Allen key and work well in applications where a secure fit and high mechanical strength matter.

• Thread size: M4
• Length: 20 mm
• Head type: Cylindrical socket cap head
• Strength grade: 12.9 steel
• Use: Ideal for hobby, DIY, electronics, mechanical assemblies, and model building
• Easy installation: Designed for use with standard hex/Allen tools
• Package contents: 50 pcs of M4×20 hex socket cap screws, Grade 12.9

If you are looking for strong M4 screws for demanding hobby applications, this 50-piece pack is a practical and versatile choice for your workshop stock.