Sanwei:Your Professional Set Screw Manufacturer!
Hebei Sanwei Fasteners Co., Ltd. is a high-tech enterprise specializing in the research, development, production, and sale of fasteners, located in Hebei Province, China. Since its establishment,wei has been committed to providing customers with high-quality, high-performance fastener solutions, which are widely used in various fields such as construction, machinery manufacturing, automobile, and power communication.
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![Pointed Set Screws]()
Pointed Set ScrewsStandard: DIN553. Name: Pointed set screws. Material: carbon steel and alloy steel, etc.. Grade: Grade 4.8, Grade 5.8, Grade 8.8 -
![Black Set Screws]()
Black Set ScrewsStandard: DIN916. Name: Black set screws. Material: carbon steel and alloy steel, etc.. Grade: Grade 4.8, 5.8, 8.8 -
![Hexagon Socket Set Screws]()
Hexagon Socket Set ScrewsStandard: DIN913. Name: Hexagon socket set screws. Material: carbon steel and alloy steel, etc.. Grade: Grade 4.8, Grade 5.8, Grade 8.8
Why Choose Us
OEM/ODM Service
Our customised fasteners are made to your special requirements. It can be fully threaded or partially threaded, and the thread, driving method, material, length, head shape, plating and all these can be specially designed according to your needs.
Good CNC machining technology
From material selection to finished products, Handan Sanwei provides you with comprehensive solutions when it comes to customised fasteners. The fasteners we make are high precision and strong. No matter what kind of precision you need, we can meet it and guarantee your satisfaction.
Strong engineering design team
Our company has an excellent and professional engineering team, and a number of technicians are elites in the industry. The staff always strives to explore new methods and technologies. From the selection of metals and special alloy materials to the finished fasteners, we can solve all aspects of the whole project engineering.
Professional Testing Laboratory
Quality assurance and testing is an important part of producing fasteners. Handan Sanwei has a specialised quality testing laboratory with spectrometers, hardness testers, tensile testers, salt spray test chambers and other equipment, where raw materials and final products are strictly tested. In addition, the company also has experienced testing experts who use professional methods to comprehensively test the fasteners and finally give you a detailed test report.
Digital Quality Control System
We rely on our self-developed full-process digital quality inspection system to strictly control every step from raw materials entering the factory to finished products being shipped. This system will always monitor the quality of the products to ensure that each batch of products meets the industry standards and complies with customer requirements. In addition, it collects and feeds back data in real time, giving you a clear understanding of product quality.
Reliable Connection:
Set screws establish a secure, friction-based connection between two parts, preventing relative movement and ensuring stability.
Compact and Space-Saving:
Their small size makes them suitable for applications where space is limited, such as in machinery or electronic devices.
Simple Installation:
Set screws are easy to install and require minimal tools, making assembly quick and cost-effective.
Versatile Applications:
They are used in a wide range of industries, including aerospace, automotive, and electronics, due to their versatility.
Cost-Effective:
Compared to other fastening methods, set screws are generally more affordable, offering a cost-effective solution.
Specification
|
Standard |
DIN |
|
Name |
Set Screw |
|
Material |
Carbon steel and alloy steel, etc. |
|
Grade |
Grade 4.8, Grade 5.8, Grade 8.8 |
|
Nominal diameter |
M2-M30 |
|
Pitch |
0.4-3.5 |
|
Surface treatment |
ZP,YZ,BLACK |
Application of Set Screw
Mechanical Assemblies
Set screws are essential for securing pulleys, gears, and couplings to shafts. They prevent components from rotating or slipping, ensuring efficient power transmission and smooth operation of machinery.
Electronics and Instrumentation
In electronics and instrumentation, set screws often feature nylon tips or flat points to secure delicate components without causing damage or vibrations. This is particularly important in sensitive equipment where precision and stability are essential.
Furniture and Cabinetry
In the furniture and cabinetry industry, set screws are used to firmly secure knobs, handles, and other decorative elements, maintaining the aesthetic integrity of the furniture while ensuring these elements remain securely attached.
Automotive and Aerospace
In these high-stakes environments, the precision and reliability of set screws are crucial. They are used to secure engine components and aircraft instrumentation, providing stability and safety.
HVAC and Plumbing
Set screws secure key components, ensuring efficient and reliable operation in HVAC systems and plumbing fixtures. They hold fan blades in place within HVAC systems and secure faucets in plumbing applications.
Machinery and Tooling
Set screws are often used in jigs and fixtures to maintain precise positioning and stability of workpieces during machining and assembly processes.
Cup Point Set Screw: Features a concave tip for increased grip, making it ideal for fixtures where material penetration is acceptable. Commonly used in machine parts and for securing pulleys or levers.
Knurled Cup Point Set Screw: Similar to the cup point but with knurled edges for enhanced grip, providing strong friction. Utilized in high-vibration environments where extra holding power is needed.
Cone Point Set Screw: Tapered point designed to embed into surfaces, suitable for fixtures in softer materials that require a secure fit. Ideal for assemblies needing frequent adjustments, like collars or stops.
Oval Point Set Screw: Features a rounded tip for smooth contact, used where minimal surface damage is desired. Typically applied in precision equipment adjustments where repeated loosening is expected.
Dog & Half Dog Point Set Screw: Extends beyond the end with a flat point, engaging into slots for precise alignment. Used in machining applications where exact positioning is critical, such as shaft positioning.
Flat Point Set Screw: Flat-ended and fully threaded, it provides lateral force without deep penetration and is easy to adjust or remove. Often used in electronics or applications where marking is unacceptable.
Soft-Tipped Point Set Screw: Has a soft material tip like nylon to prevent damage to softer surfaces while maintaining secure hold. Common in electronics and delicate assemblies like securing plastics or soft metals.
Ball-Point Set Screws: Includes a rounded metal ball end, allowing for slight movement or tilt of the secured object for precision alignments. Utilized in flexible or pivoting connections, such as alignment devices or camera mounts.
Advantages, Disadvantages and Applications of Different Set Screw Materials
Different materials offer various advantages and limitations based on factors such as corrosion resistance, strength, weight, and suitability for specific environments. The table below compares common set screw materials, outlining their key advantages, disadvantages, and typical applications.
|
Material |
Advantages |
Disadvantages |
Applications |
|
Stainless Steel |
Corrosion resistance: Ideal for exposure to moisture, chemicals, outdoor environments. |
Cost: More expensive than carbon steel and aluminum. |
Outdoor equipment |
|
High strength: Durable under various loads. |
Wear: Prone to galling, causing installation/removal difficulties. |
Marine applications |
|
|
Versatile: Resistant to rust and wear. |
/ |
Chemical processing equipment |
|
|
Carbon Steel |
High strength: Handles heavy loads. |
Corrosion: Prone to rust unless treated or coated. |
Automotive industry |
|
Affordable: Cost-effective performance. |
Brittleness: Can become brittle in low temperatures. |
Heavy machinery |
|
|
Durable: Withstands mechanical stresses well. |
/ |
Construction and infrastructure |
|
|
Copper |
Conductivity: Ideal for electrical applications. |
Low strength: Limited for high-load applications. |
Electrical systems |
|
Corrosion resistance: Resists tarnishing. |
Higher cost: More expensive than carbon steel and aluminum. |
Plumbing fixtures |
|
|
Aesthetic appeal: Visually appealing reddish-brown color. |
/ |
Decorative hardware |
|
|
Aluminum |
Lightweight: Great for weight-critical applications. |
Lower strength: Unsuitable for heavy loads. |
Aerospace industry |
|
Corrosion resistance: Suitable for humid environments. |
Softness: Deforms under high pressure, limiting structural uses. |
Lightweight structures |
|
|
Easy to machine: Cost-effective customization. |
/ |
Electronics |
|
|
Titanium |
Strength-to-weight ratio: Strong yet lightweight. |
High cost: Expensive compared to other materials. |
Aerospace and defense |
|
Corrosion resistance: Ideal for extreme environments. |
Difficult to machine: Hardness adds to production costs. |
Medical implants |
|
|
High-temperature resistance |
/ |
High-performance racing |
|
|
Plastic |
Corrosion resistance: Does not rust. |
Low strength: Limited to light-duty applications. |
Consumer electronics |
|
Lightweight: Suitable for non-load-bearing applications. |
Temperature sensitivity: Deforms or melts under high heat. |
Light-duty furniture |
|
|
Electrical insulation: Non-conductive. |
/ |
Electrical components |
Packaging and Shipping
FAQ
We're professional set screw manufacturers and suppliers in China, specialized in providing high quality products and service. We warmly welcome you to wholesale customized set screw made in China here from our factory. Contact us for quotation.
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