8.8 Grade High Strength Screws for Heavy Duty Applications

• Customization: Available
• Material: Carbon Steel
• Type: Round Head
• Model NO.: 1-1
• Groove: Hexagon
• Connection: Common Bolt
• Head Style: Round
• Standard: DIN
• Grade: 8.8
• Surface Treatment: Black
• Use: Fastening Connection
• Thread Type: Half Thread, Full Thread
• Applicable Industries: Construction, Manufacturing
• Transport Package: Container
• Specification: 1-30
• Trademark: Huilin
• Origin: Handan, Hebei
• HS Code: 0101101010
• Production Capacity: 50000

Product Description

Introducing our high-caliber black hexagonal cylindrical screws, indispensable fasteners revered across diverse sectors including mechanical equipment, furniture manufacturing, electronic devices, and the automotive industry. Dive into the detailed exposition of this robust screw type below:

1, Distinctive Characteristics

1. Supreme Strength: These exceptional black hexagonal cylindrical screws are crafted from low-carbon alloy steel or medium carbon steel, subjected to rigorous heat treatments such as quenching and tempering. This process bestows them with formidable strength levels—8.8, 10.9, and up to the pinnacle of 12.9.

2. Enhanced Corrosion Resistance: With an expertly applied blackening surface treatment, these screws boast a dense oxide film that dramatically boosts corrosion resistance, ensuring longevity even in the most challenging environments.

3. Ingenious Inner Hexagon Design: The screw head is intelligently crafted with an inner hexagon, enabling seamless use with hex wrenches or electric tools for efficient tightening or loosening, boosting productivity.

4. Sleek Cylindrical Head Design: The cylindrical head design allows these screws to fit snugly in narrow spaces without compromising the aesthetic integrity of the installation surface.

2, Specification and Model Range

Our collection of high-strength black hexagonal cylindrical screws is diverse, featuring an array of specifications to cater to various needs. Common sizes include M2 through M12, with lengths spanning mere millimeters to extensive measures. Custom specifications can be tailored to align with specific customer requirements.

3, Dynamic Application Scenarios

1. Mechanical Equipment: These screws are pivotal in the assembly and maintenance of mechanical marvels like cars, motorcycles, bicycles, and machine tools, ensuring unyielding stability and safety.

2. Furniture Manufacturing: A staple in furniture assembly, hexagonal socket head screws fortify pieces like chairs, beds, and tables, enhancing structural integrity and durability.

3. Electronic Devices: For compact applications in devices like computers, mobile phones, and televisions, these high-strength screws deliver secure connections without encroaching on precious space.

4. Construction Engineering: In the realm of construction, these screws are instrumental, securing large equipment such as steel structures and bridges, thereby safeguarding the stability and safety of monumental projects.

4, Important Precautions

1. Select the Right Strength Grade: Carefully select the appropriate strength grade based on specific use cases and stress demands to avert potential inadequacies or inefficiencies.

2. Adhere to Correct Tightening Torque: Utilize the correct tools to apply the precise tightening torque, mitigating risks of over-tightening or loosening.

3. Implement Anti-Loosening Strategies: In scenarios demanding extra security, incorporate measures like spring washers and anti-loosening adhesives to fortify screw stability.

5, Pricing Insights and Purchase Recommendations

Pricing for high-strength black hexagonal cylindrical screws is contingent on factors such as size, model, material, and quantity. Larger, higher-grade, and superior material screws generally command higher prices. For assured quality and reliable customer support, purchase from esteemed hardware retailers, trusted e-commerce platforms, or official brand websites. Select specifications and models tailored to your unique requirements for the best performance.