A heavy‑duty M5 x 40 mm countersunk screw made from premium Grade 12.9 alloy steel with a sleek matte black finish ideal when you need deep, secure, flush‑mount fastening combined with high tensile strength. The flat hex socket head sits flush with the surface for a clean, professional look, while the internal hex drive enables secure tightening with an Allen key. Built for strength and durability, this screw is perfect for robotics frames, structural assemblies, machinery, electronics enclosures, and other demanding mechanical applications.

Specifications:

• Thread Size: M5
• Length: 40 mm
• Head Type: Flat Countersunk Hex Socket
• Material: Alloy Steel (Grade 12.9 – high strength)
• Finish: Black Oxide or Black Coating (matte black appearance)
• Thread Type: Fully Threaded
• Drive Size: ~4 mm Allen Key (typical for M5)
• Tensile Strength: High (as per Grade 12.9 — typically around 1,200 MPa)