We are a China-based Manufacturer dedicated to security fasteners. Our Custom S Type Security Screw provides tamper-resistant protection for critical enclosures and assemblies. The S-drive profile makes drilling and screwdriver bypass harder, ideal for electronics, automotive, and machinery applications. We can tailor material options (A2 stainless, alloy steel), finishes (Zinc, Black Oxide), thread pitch, length, and head style to match your design. Small- to mid-volume production with rapid lead times, quality certified under ISO and IQC checks, ensures reliable supply for OEM projects. We also support custom packaging and Kitting for easy integration on your line. As your China supplier, we understand the demand from global buyers and can provide competitive pricing, sample programs, and scalable MOQs from our factory. If you want a dependable, secure fastening solution that blends strength with stealth, the Custom S Type Security Screw is the answer.
Custom S Type security screws are engineered to guard critical assemblies across electronics, automotive, and industrial equipment. Their unique S-shaped drive requires a dedicated tool, delivering a practical barrier against tampering while remaining accessible to authorized maintenance teams. By choosing factory-direct production, global buyers gain precise control over material, finish, and tolerances, ensuring consistent performance across batches. Options such as stainless steel, alloy steel, or brass, plus finishes like black oxide, zinc plating, or passivation, extend service life in harsh environments. Tight head tolerances and controlled thread fits reduce the risk of stripping and misalignment, and traceable production records support compliance and quality audits. To maximize value when sourcing, specify your requirements clearly: material grade and hardness, size, head type, drive profile, thread pitch, coated finish, corrosion resistance, and packaging. Establish lead times, minimum order quantities, and a robust warranty. Choose a partner who can scale with your program, provide in-line QC, and deliver factory-direct pricing without sacrificing traceability. With the right OEM collaboration, you can secure reliable supply, rapid customization, and uninterrupted production across global markets while maintaining security and compliance standards.
| Variant | Screw Size (mm) | Material | Finish | Head Type | Security Feature | Thread Pitch (mm) | Shank Length (mm) | Compliance | Lead Time (days) | Applications |
|---|---|---|---|---|---|---|---|---|---|---|
| A | M3x0.5 | Stainless Steel A2-70 | Bright Zinc | Socket Cap | S-Type Tamper-Resistant Slot | 0.5 | 6 | RoHS, REACH | 7 | Electronics enclosures; Instrument panels |
| B | M4x0.7 | Stainless Steel A4-80 | Black Oxide | Torx Socket | S-Type Tamper-Guard | 0.7 | 8 | RoHS | 10 | Automotive assemblies |
| C | M5x0.8 | Alloy Steel 4140 | Zinc Nickel | Socket Head Cap | S-Type Security Slot | 0.8 | 10 | RoHS, REACH | 14 | Industrial machinery |
| D | M3x0.5 | Stainless Steel A2-70 | Passivated | Button Head | S-Type Security Pin | 0.5 | 5 | RoHS | 5 | PCB enclosures |
| E | M6x1.0 | Stainless Steel A4-80 | Black Zinc | Flange | S-Type Security Slot | 1.0 | 12 | RoHS | 12 | Heavy-duty enclosures |
| F | M4x0.7 | Stainless Steel A2-70 | Bright Zinc | Socket Cap | S-Type Security Slot | 0.7 | 9 | RoHS | 9 | Electronic housings |