High Strength Stainless Steel Headless Socket Set Screws from China Suppliers - Perfect for Factory Machinery Assembly
1. Product Overview
Our Set Screw is a classic headless industrial fastener widely adopted across global manufacturing industries. Designed with hex socket drive and multiple end styles, this Set Screw delivers reliable positioning and locking effects. It is the ideal choice to secure components onto shafts and prevent shifting or rotation during equipment operation.
2. Core Features & Advantages
- Headless Design: The streamlined structure of Set Screw occupies no extra space, suitable for compact installation environments and avoids collision and abrasion.
- Premium Material: Crafted from high-quality stainless steel, our Set Screw boasts excellent rust resistance, corrosion resistance and high mechanical strength for long-term use.
- Diversified Tips: Equipped with flat point and cup point styles, the Set Screw can meet different locking force and surface protection requirements.
- Precise Thread: Standard thread processing ensures tight fit, making the Set Screw not easy to loosen under vibration and frequent operation.
- Easy Operation: Matched with standard hex tools, the Set Screw can be installed and removed quickly to improve overall assembly efficiency.




3. Technical Specifications
All our Set Screw comply with international industrial standards, available in multiple metric sizes to support standard use and custom processing.
| Item | Details |
|---|---|
| Product | Set Screw |
| Material | 304 Stainless Steel |
| Drive Type | Hex Socket |
| End Style | Flat Point, Cup Point |
| Standard | ISO 4026, ISO 4029 |
| Common Sizes | M2, M2.5, M3, M4, M5, M6 |
| Surface Finish | Polished |
4. Application Scenarios
The practical Set Screw fits a wide range of industrial scenarios:
- Mechanical equipment: Fix gears, pulleys and transmission parts of machine tools and automation devices.
- Electrical appliances: Lock internal components of electrical cabinets and precision electronic equipment.
- General industrial devices: Position connecting parts and control knobs for various production facilities.
Our Set Screw has been supplied to numerous industrial manufacturers, and its stable quality has won wide recognition from global B2B clients.
5. Solutions & Product Value
Many industrial clients face troubles like part loosening, limited installation space and fastener rusting. Our Set Screw solves these pain points perfectly. The compact headless structure adapts to narrow spaces, while stainless steel material resists rust in complex working environments. The stable locking performance of Set Screw cuts down equipment failure frequency and reduces your daily maintenance cost. We support bulk wholesale and customized service to satisfy large procurement demands.
6. Quality Control & Production
We are a professional fastener manufacturer with mature production lines. Every Set Screw will go through strict hardness test, thread inspection and appearance check before delivery. Full-process quality management guarantees each Set Screw reaches international quality standards. We keep strict control over every production step to provide qualified fastener products for global buyers.
7. Purchase & After-sales Support
We provide complete service for Set Screw procurement. You can ask for product samples, technical drawings and detailed quotations at any time. Our professional team will answer your questions about size selection, delivery time and customization schemes promptly. We support flexible order quantities to suit different business demands.
8. Inquiry Notice
If you have purchasing or customization needs for Set Screw, please fill out the inquiry form below. Leave your required size, quantity and other demands, and we will contact you with a complete solution as soon as possible.
Frequently Asked Questions (FAQ)
What materials are your set screws made of?
Our set screws are crafted from high-quality 304 stainless steel, which offers outstanding rust resistance, corrosion protection, and high mechanical strength suitable for long-term industrial operations.
What standards and sizes are available for your set screws?
Our set screws comply with international standards ISO 4026 and ISO 4029. We provide various common metric sizes including M2, M2.5, M3, M4, M5, and M6, alongside custom processing options.
What are the benefits of the headless design?
The headless, streamlined structure allows the set screw to fit flush or below the surface. This saves valuable space in compact installations and prevents mechanical interference, collision, and abrasion.
Can I request custom OEM orders or submit technical drawings?
Yes, we welcome OEM and custom orders. You can send us your design drawings or physical samples, and our engineering team will provide a comprehensive quotation within 24 hours.
What types of end styles do you provide?
We offer set screws with flat point and cup point styles to meet different requirements for locking force, shaft contact, and surface protection.








