A heavy‑duty M3 x 16 mm countersunk screw crafted from premium Grade 12.9 alloy steel with a sleek black finish ideal for flush, low‑profile fastening in high-strength mechanical, electronics, robotic, and precision‑engineering applications. The flat hex socket head sits flush with the surface for a clean, professional look, while the internal hex drive allows secure tightening with an Allen key. Designed for superior strength and longevity, this screw is perfect when strong, compact fasteners are needed.

Specifications:

• Thread Size: M3
• Length: 16 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: ~2.5 mm Allen Key (typical for M3)
• Tensile Strength: High (as per Grade 12.9, typically around 1,200 MPa)