Premium Internal Thread Nuts for Architectural and Furniture Applications

• Customization: Available
• Material: Carbon Steel
• Type: Round Head
• Model NO.: 1-1
• Connection: Common Bolt
• Head Style: Round
• Standard: DIN
• Grade: 4.8
• Application: Building
• Finish: Color-Zinc Plated
• Whether to Support Customization: Support
• Use: Connect
• Applicable Industries: Furniture, Architecture
• Thread Type: Full Thread
• Transport Package: Container
• Specification: 1-30
• Trademark: Huilin
• Origin: Handan, Hebei
• HS Code: 0101101010
• Production Capacity: 50000

Product Description

Internal and external thread bolts, often referred to as combination screws, represent an ingenious blend of fastening technology that integrates the benefits of both internal and external threads. These versatile connectors are indispensable in various industries, such as mechanical manufacturing, electronic equipment, and the assembly of sophisticated furniture. Explore their remarkable structural features, distinctive working principles, diverse types, wide-ranging applications, and inherent advantages and challenges:

• Structural Features

Composite Thread Design: Each bolt innovatively features an external thread on one end, designed to seamlessly pair with a nut or an internally threaded hole. The opposite end boasts an internal threaded cavity, facilitating multi-layer fastening by connecting with additional bolts or screws, thereby ensuring the robust assembly of diverse components.

Diverse Head Shapes: Tailored for varied operational demands and usage conditions, these bolts feature an array of head styles, including cross grooves, straight grooves, inner hexagonal, and outer hexagonal designs, providing adaptability and precision in every application.

Rich Material Selection: Crafted from high-quality materials such as carbon steel, stainless steel, and copper, these bolts excel in durability. Notably, stainless steel is preferred for its exceptional corrosion resistance, ensuring longevity and reliability in demanding environments.

Working Principle: Through the clever engagement of the external thread with an internal thread hole on the connected part, the bolt is securely affixed to one component. Subsequently, the internal threaded cavity is coupled to another screw or bolt, intricately binding multiple components. This connection method harnesses friction and pre-tightening force to prevent loosening, thereby affirming the stability of the assembly.

• Common Types

Equal Length Internal and External Thread Bolts: Designed with equilibrium, the lengths of the external thread section and the internal threaded cavity are nearly identical, making them ideal for joining components of similar thickness.

Unequal Length Internal and External Thread Bolts: These bolts feature varying lengths between the external thread section and the internal threaded cavity, offering flexibility to meet specific assembly needs, particularly when connecting components with significant thickness differences.

• Application Scenarios

Electronic Devices: In the realm of electronics, where space is at a premium and connection precision is paramount, internal and external threaded bolts provide a stable, space-efficient solution for securing multilayer circuit boards and enclosures, sidestepping the spatial concerns of traditional lengthy bolts.

Furniture Manufacturing: These bolts are quintessential in panel furniture assembly, enabling swift connection of various panels for easy disassembly and transportation while preserving the integrity and stability of the furniture structure.

Mechanical Equipment: Widely utilized in mechanical systems, these bolts connect vital components—such as motors, brackets, and transmission devices—into a cohesive unit, ensuring the consistent operational stability of each part within the machinery.

• Advantages and Limitations

Advantages: These bolts streamline assembly processes and minimize part counts, making them perfect for space-constrained or uniquely structured connections. They offer straightforward disassembly and maintenance, boosting production efficiency and serviceability.

Limitations: While offering numerous benefits, these bolts feature a more complex design and can incur higher manufacturing costs compared to conventional bolts. In scenarios involving extreme loads, their connection strength may fall short of single high-strength bolts.