A heavy‑duty M5 x 20 mm countersunk screw made from premium Grade 12.9 alloy steel with a matte black finish ideal for secure, flush‑mount fastening in assemblies where strength and a clean surface finish are important. The flat hex socket head sits flush with the surface for a neat and professional look, while the internal hex drive allows firm tightening with an Allen key. Well suited for robotics, mechanical assemblies, electronics enclosures, structural frames, or precision‑engineering projects where reliability and compactness are needed.

Specifications:

• Thread Size: M5
• Length: 20 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)