304 Stainless Steel Metric Thread Hexagon Head with Serrated Flange Cap Screw Hex Washer Head Bolt 50Individual (Silver,M12x50mm 1pc)

Hign-concerned Chemical : NoneMaterial : Stainless SteelDIY Supplies : WoodworkingOrigin : Mainland ChinaCertification : None

• Made from high-grade 304 Stainless Steel, offering excellent corrosion resistance and durability. Ideal for use in humid environments, automotive parts, machinery, and outdoor applications, ensuring long-lasting performance without rusting.
• Features a unique hex washer head with a serrated flange (flange with teeth). The serrations bite into the surface upon tightening, providing superior vibration resistance, preventing loosening, and eliminating the need for a separate flat washer.
• Manufactured to GB5787 metric standard, ensuring precise dimensions and reliable compatibility with M4, M5, M6, M8, M10, and M12 metric nuts and threaded holes. The fully threaded design allows for a secure fit in a wide range of projects.
• The integrated hex washer head combines a hex socket for driving with a built-in washer. This design provides a larger bearing surface for better load distribution, protects finished surfaces from damage, and allows for faster installation with standard hex keys.
• This assortment kit includes multiple sizes (M4-M12) to meet various needs. Perfect for DIY projects, furniture assembly, automotive repair, bicycle maintenance, and industrial equipment.