Black Oxide Hex Head Bolts are a fundamental and widely-used fastener in countless applications. Their six-sided hexagonal head is the most recognizable feature, designed to be easily gripped and rotated by a wrench or socket, enabling straightforward installation and removal. The threaded shank allows for a secure connection with a nut or a threaded hole, creating a strong mechanical joint that can withstand significant tensile and shear forces. Their versatility means Black Oxide Hex Head Bolts are commonly employed in construction for joining structural elements to hold components together, ensuring reliable operation in high-stress environments.
Attribute |
Value |
Grade |
12.9 |
Thread Size |
M4-M12 |
Head Shape |
HexHead |
Material |
Steel |
Finish |
Black |
Thread Type |
Metric |
Standards Met |
GB5783 |
• Various thread sizes available, including from M4 to M12
• Available in a wide range of sizes and drive types
• 12.9 grade high tensile steel as standard
Black Oxide Hex Head Bolts are a specialized yet highly practical type of fastener. Their black oxide coating serves a dual-purpose: aesthetically, it provides a sleek, uniform finish that gives a professional look, making them suitable for applications where appearance matters, such as in high-end machinery or decorative metalwork. Functionally, this coating offers corrosion resistance, protecting the bolts from environmental factors like moisture and oxygen, thus extending their lifespan. The hex-shaped head, as with standard hex head bolts, allows for easy gripping and torque application using common wrenches or sockets, ensuring secure fastening. In the construction of outdoor structures like fences and decorative metal railings, Black Oxide Hex Head Bolts provide reliable connections while maintaining an attractive look. Additionally, they are used in industrial equipment where corrosion protection and a strong mechanical connection are essential for long-term, trouble-free operation.
The distinct and appealing aspect of Black Oxide Hex Head Bolts lies in their uniform black shading. The shading is so uniform that it gives the impression that the screws are made from a single piece of black - colored material. This consistent shading is a result of careful manufacturing and surface treatment. When used in architectural details or in the assembly of high-end consumer products, Black Oxide Hex Head Bolts' consistent black shading can enhance the overall visual appeal. It adds a sense of elegance and refinement, making them a preferred choice for projects that demand both style and substance.
Black Oxide Hex Head Bolts show great compatibility with a wide range of materials. Whether it's wood, metal, or plastic, black oxide screws can be easily used for fastening. Their black oxide coating doesn't react negatively with different materials, preventing issues like galvanic corrosion. In the manufacturing of electronic devices, where screws need to be used with delicate components, their compatibility ensures that no damage is caused to the materials. This versatility makes Black Oxide Hex Head Bolts a go-to choice in many industries, facilitating seamless integration into different products and structures.