A premium‑quality M4 x 15 mm countersunk screw crafted from high‑strength Grade 12.9 alloy steel with a sleek black finish — ideal for flush‑mount fastening when a strong, low‑profile connection is required. The flat hex socket head sits neatly flush with the surface for a clean, professional look, while the internal hex drive allows secure tightening with an Allen key. Perfect for use in mechanical assemblies, electronics enclosures, robotics, or precision-engineering projects where strength and appearance both matter.

Specifications:

• Thread Size: M4
• Length: 15 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)