
Upgrade your engine performance with our high-strength 8.8 grade cylinder head hexagon socket head screws. These full-tooth hexagon socket head screws are perfect for extending the life of your engine components.
Ideal for automotive and industrial applications, our black extension bolts offer exceptional strength and durability. Whether you're working on a high-performance engine or a heavy-duty machine, these screws provide the reliability you need.

Introducing our Olympic Exhibition 304 Stainless Steel Carriage Screw, a stylish and durable fastening solution. These DIN603 large semicircular head square neck bolts, available in sizes M6 and M12, are perfect for shelf and furniture applications.
Crafted from high-quality 304 stainless steel, these screws offer excellent corrosion resistance and long-lasting performance. Enhance your projects with our elegant and reliable carriage screws.

Discover our M3M4M56 304 Stainless Steel Hexagon Socket Plug Screw, featuring a convex shoulder design that ensures equal height and precise positioning. These screws, compliant with GB/T5281 standards, are crafted from high-quality 304 stainless steel, offering excellent corrosion resistance and durability.
Perfect for applications where precise alignment and strength are crucial, these convex shoulder bolts provide a reliable fastening solution. Enhance your projects with our high-quality, limit-bolted screws today.

Meet the Grade 8.8 Blackened External Hexagon Bolt, your go-to fastener for heavy-duty engineering machinery. Engineered for high strength, these screws are meticulously blackened to enhance their resistance to corrosion and wear, ensuring long-lasting performance in demanding applications.
Available for spot supply from our factory, these bolts are perfect for quick turnaround projects. With their robust design and superior material, they offer unmatched reliability and durability. Trust our high-strength screw nuts to keep your machinery running smoothly and efficiently.