Stainless Steel DIN 7964E Stainless Steel Socket Head Cap Captive Screw Supplier In China
Ningbo Teng Qi Fasteners Co., Ltd. is a professional and reliable DIN 7964E Stainless Steel Socket Head Cap Captive Screws supplier and manufacturer, providing high-quality captive screws for customers worldwide. Manufactured according to DIN standards, our socket head cap captive screws are made from premium stainless steel materials such as SUS304 and SUS316, offering excellent corrosion resistance, strength, and long-term durability. DIN 7964E captive screws feature a special captive design that keeps the screw attached to the assembly even when loosened, preventing loss and improving installation efficiency. They are widely used in equipment, machinery, electronic devices, automotive components, and other applications where secure and reusable fastening solutions are required.
With more than 20 years of experience in stainless steel fastener manufacturing, we have advanced production capabilities including cold heading, CNC machining, thread rolling, and strict quality control processes. We can supply standard DIN 7964E screws as well as customized solutions based on customers’ drawings and specifications. We are committed to providing reliable quality, competitive prices, and professional service, making us a trusted partner for DIN 7964E stainless steel socket head cap captive screws worldwide.
Specification:
DIN 7964E captive screws are socket head cap screws designed with a special reduced shank structure, allowing the screw to remain securely attached to the assembly after loosening. This captive design helps prevent screw loss and improves convenience during installation, maintenance, and inspection.
| Product name | DIN7964E Stainless Steel Socket Head Cap Captive Screw |
|---|---|
| Thread Diameter: | M2.5-M30 |
| Material: | SS304 SS316 |
| Surface Treatment | Bright Pickling/Plain/Nylon Patch |
| Packaging: | Boxes/cartons into wooden pallets |
Dimension Chart of DIN 7964E Stainless Steel Socket Head Cap Captive Screw:
DIN 7964E stainless steel socket head cap captive screws are manufactured according to DIN standards and feature a captive design that prevents the screw from being separated or lost after loosening. The dimension chart includes the main specifications such as thread diameter, pitch, screw length, head diameter, head height, and hexagon socket size. These precise dimensions ensure reliable installation and compatibility with various assemblies.
| Mon | M2.5 | M3 | M4 | M6 | M8 | M10 | M12 | M16 | M20 | M24 | M30 |
| P | 0.45 | 0.5 | 0.7 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | 3 | 3.5 |
| b max | 10.9 | 13 | 15.4 | 20 | 24.5 | 29 | 33.5 | 42 | 51 | 60 | 73 |
| b min | 10 | 12 | 14 | 18 | 22 | 26 | 30 | 38 | 46 | 54 | 66 |
| da max | 3.1 | 3.6 | 4.7 | 6.8 | 9.2 | 11.2 | 13.7 | 17.7 | 22.4 | 26.4 | 33.4 |
| r min | 0.1 | 0.1 | 0.2 | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.8 | 0.8 | 1 |
| ds max | 1.9 | 2.3 | 3 | 4.6 | 6.2 | 7.7 | 9.2 | 12.7 | 16.2 | 19.2 | 24.2 |
| ds min | 1.7 | 2.1 | 2.8 | 4.4 | 6 | 7.5 | 9 | 12.5 | 16 | 19 | 24 |
| dk max | 4.5 | 5.5 | 7 | 10 | 13 | 16 | 18 | 24 | 30 | 36 | 45 |
| dk min | 4.32 | 5.32 | 6.78 | 9.78 | 12.73 | 15.73 | 17.73 | 23.67 | 29.67 | 35.61 | 44.61 |
| e min | 2.3 | 2.87 | 3.44 | 5.72 | 6.86 | 9.15 | 11.43 | 16 | 19.44 | 21.73 | 25.15 |
| k max | 2.5 | 3 | 4 | 6 | 8 | 10 | 12 | 16 | 20 | 24 | 30 |
| k min | 2.36 | 2.86 | 3.82 | 5.7 | 7.64 | 9.64 | 11.57 | 15.57 | 19.48 | 23.48 | 29.48 |
| s min | 2.02 | 2.52 | 3.02 | 5.02 | 6.02 | 8.025 | 10.025 | 14.032 | 17.05 | 19.065 | 22.065 |
| s max | 2.06 | 2.58 | 3.08 | 5.14 | 6.14 | 8.175 | 10.175 | 14.212 | 17.23 | 19.275 | 22.275 |
| t min | 1.1 | 1.3 | 2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 15.5 |
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Application of Stainless Steel DIN 7964E Stainless Steel Socket Head Cap Captive Screw:
Stainless steel DIN7964E captive screws are widely used in applications where secure fastening and prevention of screw loss are required. The captive design keeps the screw attached to the component after loosening, making them ideal for equipment that requires frequent assembly, maintenance, or inspection.
| Application | Details |
|---|---|
| Industrial Equipment | Used for machinery, production equipment, control cabinets, and mechanical assemblies where reliable and reusable fastening is needed. |
| Electronic and Electrical Equipment | Suitable for electronic enclosures, switchgear, control panels, and electrical cabinets due to their compact design and corrosion resistance. |
| Automotive Industry | Applied in vehicle components, interior panels, and assemblies requiring secure fastening during operation and maintenance. |
| Medical Equipment | Used in medical devices and laboratory equipment where hygiene, durability, and reliable screw retention are important. |
| Communication Equipment | Ideal for network cabinets, servers, and communication devices requiring easy access and repeated installation. |
| Automation Systems | Commonly used in automation machinery, robots, and precision equipment where preventing loose screws from falling into the system is essential. |
| Marine and Outdoor Applications | Stainless steel versions provide excellent resistance against moisture and corrosion, making them suitable for harsh environments. |