We are a China-based Manufacturer delivering high-performance fasteners for automation and equipment builders. Our socket head captive screw self tapping line is engineered for secure seating and fast installation in thin-walled materials. I ensure tight tolerances, corrosion resistance, and consistent thread engagement across batch runs. We offer stainless steel and alloy options, black oxide, zinc plating, and passivation to suit demanding environments. I can supply metric and inch sizes, various head styles, and self-tapping profiles that cut clean threads without pre-tapping, reducing assembly steps. Based in China, we offer factory-direct pricing, short lead times, and flexible MOQs for both original equipment manufacturers and distributors. I understand your needs: reliable preload, vibration resistance, and repeatable torque values. If you want a partner who can customize length, thread pitch, coating, or packaging, I’m ready to discuss your spec and provide sample testing. Let’s build value with precision-fastener solutions.
In a world where assembly lines chase speed and reliability, the socket head captive screw with self-tapping capability stands out by marrying secure attachment with streamlined service. The captive design keeps the fastener anchored, reducing lost hardware on the shop floor and simplifying maintenance. The socket head offers torque accuracy and compact form, while self-tapping inserts create clean threads in predrilled or soft materials, enabling quick, tool-ready assembly for electronics enclosures, automotive modules, and machinery frames. For global buyers, this combination lowers total cost of ownership: fewer parts to stock, easier onboarding for new lines, and reliable performance across temperature and vibration. Choosing a partner with consistent quality control, flexible packaging, and scalable production delivers traceable lot data, on-time deliveries, and engineering support to tailor materials, coatings, and head styles to applications. This is where service meets innovation, delivering dependable fastening solutions worldwide.
| Attribute | Value | Unit | Notes / Description | Standard |
|---|---|---|---|---|
| Head Style | Socket Head Cap Screw | - | Cylindrical head with hex socket drive | DIN 912 |
| Captive Feature | Captive retention feature | - | Designed for panel mounting with retention clip | |
| Material | Stainless Steel | - | A2-70 grade for corrosion resistance | ISO 3506-1 |
| Finish | Passivated | - | Chemical passivation after forming | ISO 9710 |
| Thread Size | M4 | Metric | Metric coarse thread | ISO 261 |
| Length | 12 | mm | Overall length from under head to tip | DIN 912 |
| Thread Pitch | 0.70 | mm | Coarse thread pitch for M4 | ISO 261 |
| Drive Size | 2.5 | mm | Hex socket size used with Allen wrench | DIN 912 |
| Tensile Strength | 700 | MPa | Minimum tensile strength (Rm) | ISO 898-1 |
| Yield Strength | 480 | MPa | Yield strength (Re) | ISO 898-1 |
| Operating Temperature | -60 to 250 | °C | Typical operating range for stainless steel fasteners | |
| Corrosion Resistance | Excellent in neutral atmospheres | - | Passivated stainless steel provides good corrosion resistance | ISO 9227 |