China Black Oxide Manufacturer, Supplier, Factory

You can rest assured to buy Black Oxide made in China from our factory. QBH® is a professional China Black Oxide manufacturer and supplier, we can provide high quality products. Welcome to buy products from our factory.

Hot Products

  • Steel Construction Hex Bolt

    Steel Construction Hex Bolt

    Steel Construction Hex Bolt are designed to endure harsh conditions and bear heavy loads, providing you with a superior level of reliability that you can count on. Made from high-grade carbon steel, our hex bolts are designed to be tough and durable. The Steel Construction Hex Bolt ensures that the bolts can handle high pressures and stresses, while the hexagonal head of the bolts provides excellent grip and allows for easy installation with a wrench or socket.
  • Black Heavy Shear Tension Control Tc Bolt

    Black Heavy Shear Tension Control Tc Bolt

    Black Heavy Shear Tension Control TC Bolt. Whether you need to secure equipment in high-pressure environments or support structures that carry heavy loads, these bolts are designed to withstand the most demanding applications. Made from premium-grade materials, the Black Heavy Shear Tension Control TC Bolt is engineered with ultimate strength and precision in mind. Each bolt is designed to deliver maximum clamping force while maintaining its structural integrity under extreme conditions.
  • ASTM A325M Hot DIP Galvanized Heavy Hex Bolt

    ASTM A325M Hot DIP Galvanized Heavy Hex Bolt

    ASTM A325M Hot DIP Galvanized Heavy Hex Bolts are commonly used in critical structural applications such as Bridges, buildings and other infrastructure. Ensuring their quality is critical to the safety and structural integrity of these works. The control and traceability of the A325M heavy duty hex bolt or any fastener is a key aspect of the construction and engineering industry. Safety and structural integrity are the correct applications that distinguish ASTM A325M Hot DIP Galvanized Heavy Hex Bolts. Batch control and traceability help maintain the highest safety standards. Batch control ensures that the bolts used in the project come from the same production batch. This helps maintain consistent quality and ensures that all bolts from a particular batch meet the same specifications and standards. In the rare cases where defects or problems are found in a particular batch of bolts, being able to trace back to the source of those bolts can facilitate an effective recall and replacement. This minimizes downtime and project delays.
  • ANSI B18.2.2 Square Nut

    ANSI B18.2.2 Square Nut

    ANSI B18.2.2 Square Nut are Made with top-quality materials, these nuts are known for their durability, strength, and corrosion resistance. ANSI B18.2.2 Square Nut are designed to last. The high-quality steel construction provides excellent tensile strength, meaning they can handle high load capacities without deforming or breaking. Galvanized Carbon steel is also resistant to corrosion, so ANSI B18.2.2 Square Nut stand up well even in wet and humid environments.
  • ASME Black Half Thread Hex Bolt

    ASME Black Half Thread Hex Bolt

    ASME Black Half Thread Hex Bolt Class 8.8 steel screws are suitable for fastening most machinery and equipment. To maintain corrosion resistance, use ASME Black Half Thread Hex Bolt with black ultra-corrosion-resistant-coated nuts and washers.
  • ASTM A193 1/2

    ASTM A193 1/2"-2" B7 Heavy Hex Bolt

    ASTM A193 1/2"-2" B7 Heavy Hex Bolt with the highest quality materials, these bolts are built to resist corrosion, wear, and tear, providing exceptional durability and longevity. Whether you're looking to secure heavy-duty machinery or build a building foundation to withstand severe weather, you can count on ASTM A193 Heavy Hex Bolt Class B7 to get the job done right.

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