A top‑quality M4 x 25 mm countersunk screw made from high-strength Grade 12.9 alloy steel with a matte black finish optimal for applications needing strong, flush-mounted fastening with a clean, low-profile appearance. The flat hex socket head sits flush with the surface for a neat, professional finish, while the internal hex drive allows secure tightening with an Allen key. Engineered for durability and strength, this screw is suitable for mechanical assemblies, robotics, electronics housings, and precision engineering tasks where reliability and aesthetic finish both matter.

Specifications:

• Thread Size: M4
• Length: 25 mm
• Head Type: Flat Countersunk Hex Socket
• Material: Alloy Steel (Grade 12.9 – high strength)
• Finish: Black Oxide or Black Coating (matte black)
• Thread Type: Fully Threaded
• Drive Size: ~3 mm Allen Key (typical for M4)
• Tensile Strength: High (as per Grade 12.9, typically ~1,200 MPa)