TA-VIGOR 5Pcs M8 x 20mm Hex Flange Bolts, 10.9 Grade Carbon Steel Hex Head Screws, Flanged Hexagon Bolts for Construction, Machine Tools, and DIY Projects Black

• Premium 10.9 Grade Carbon Steel Construction: These M8x20mm hex flange bolts are made from high-quality 10.9 grade carbon steel, delivering outstanding strength and durability for heavy-duty use
• Corrosion-Resistant Black Oxide Coating: The black oxide finish provides enhanced resistance against rust and wear, making these bolts reliable for both indoor and outdoor applications
• Built-In Flange for Secure Load Distribution: The integrated flange design acts like a washer, evenly distributing pressure and preventing loosening in DIY, machinery, and pipeline installations
• Precision Threading and Easy Installation: Manufactured to metric standards with a 1.25mm pitch, these bolts ensure smooth fastening into pre-threaded holes or use with hex nuts using a standard wrench
• Versatile for Multiple Projects: Ideal for guardrail fixing, equipment assembly, home appliance repair, construction work, and general-purpose DIY fastening across various materials

What makes these hex flange bolts ideal for your next project? Made of 10.9 Grade Carbon Steel – Each bolt is crafted from high-strength carbon steel, offering superior hardness, excellent load-bearing capacity, and long-term resistance to wear, stress, and impact. Black Oxide Coated for Durability – The black oxide finish enhances corrosion resistance and extends the bolt’s life in harsh, humid, or outdoor environments. Integrated Hex Flange Design – The hexagon head with built-in flange distributes pressure evenly and prevents loosening under vibration, eliminating the need for separate washers. Precision Threading for Smooth Installation – Metric M8 threads with a 1.25mm pitch ensure accurate alignment and reliable grip in pre-threaded holes or when paired with hex nuts. Ideal for Heavy-Duty Applications – Suitable for use in construction, guardrail fixing, machine tools, home appliance assembly, pipeline installations, and a wide range of DIY and engineering tasks. Features: Material: 10.9 Grade Carbon Steel Finish: Black Oxide Coating M8 x 20mm Thread Pitch: 1.25mm Head Type: Hex Head with Flange Quantity: 5 Pieces Package Includes: 5 x M8 x 20mm Hex Flange Bolts Warm Tips: Please ensure correct size and threading before installation. Product colour may slightly vary due to lighting and monitor settings.