







Discover the versatile and robust world of high-strength black hexagonal cylindrical screws, essential fasteners across diverse domains including mechanical equipment, furniture, electronics, and automotive industries. Let us delve deeper into the intricate details of these remarkable screws:
1, Characteristics
1. Unmatched Strength: Crafted from low-carbon alloy or medium carbon steel, these screws undergo rigorous heat treatments like quenching and tempering to achieve superior strength grades. Available in 8.8, 10.9, and the pinnacle, 12.9 grade, these screws stand robust against challenges.
2. Exceptional Corrosion Resistance: Each screw's surface is meticulously blackened, forming a protective oxide film that fortifies it against corrosion, ensuring longevity even in the harshest environments.
3. Ergonomic Inner Hexagon Design: The screw head's inner hexagon design allows seamless use with hex wrenches or electric tools, streamlining tightening and loosening operations, thereby significantly enhancing workflow efficiency.
4. Sleek Cylindrical Head Design: The cylindrical head offers a sleek solution for use in confined spaces, preserving the aesthetic integrity of installation surfaces.
2, Specification and Model
High-strength black hexagonal cylindrical screws come in a multitude of specifications to cater to diverse needs. From M2 to M12, they accommodate a range spanning a few millimeters to tens of millimeters in length. Customization options are available to meet unique customer requirements.
3, Application scenarios
1. Mechanical Equipment: These screws are foundational in assembling and maintaining mechanical equipment, including automobiles, motorcycles, bicycles, and machine tools, ensuring equipment's unwavering stability and safety.
2. Furniture Manufacturing: Integral to furniture assembly, hexagonal socket head screws enhance the structural integrity and stability of items like chairs, beds, and tables.
3. Electronic Devices: In assembling compact electronic devices like computers, mobile phones, and televisions, these screws provide dependable connections while conserving space.
4. Construction Engineering: Deployed in construction, these screws secure large mechanical setups such as steel structures and bridges, upholding structural stability and safety.
4, Precautions
1. Opt for the Right Strength Grade: Select a suitable strength grade tailored to the specific application and stress to avoid underperformance or unnecessary costs.
2. Apply Correct Tightening Torque: Employ appropriate tools and adhere to correct torque settings during tightening to prevent mishaps from excessive force or slackening.
3. Enhance Anti-Loosening Measures: In scenarios demanding superior anti-loosening, employ measures such as spring washers and anti-loosening adhesives to bolster screw stability.
5, Price and purchasing advice
Pricing of these high-strength screws fluctuates based on specifications, materials, and purchase volumes. Larger, stronger, and higher-grade materials command higher prices. For quality assurance and support, purchase from esteemed hardware outlets, e-commerce venues, or brand portals. Tailor your selection based on specific needs to ensure optimal product choice.