DIN986 Hexagon Domed Cap Nonmetallic Insert Nuts Supplier In China
Ningbo Teng Qi Fasteners Co., Ltd. is a reliable supplier of DIN986 Hexagon Domed Cap Nonmetallic Insert Nuts, offering high-quality fastening solutions manufactured with strict control of materials, dimensions, and production processes. Our DIN986 nuts are available in premium stainless steel and durable carbon steel options, providing excellent corrosion resistance, mechanical strength, and long-term reliability for different working environments. The integrated domed cap design helps protect the bolt end from dust, moisture, and external damage, while the nonmetallic insert provides effective prevailing torque to prevent loosening caused by vibration.
With extensive experience in fastener manufacturing, we focus not only on supplying standard DIN986 products but also on delivering consistent quality and customized solutions according to customer requirements. From raw material selection and precision thread processing to final inspection, every step is carefully monitored to ensure stable performance and accurate assembly. Whether used in automotive components, machinery, electrical equipment, furniture, or industrial applications, our DIN986 Hexagon Domed Cap Nonmetallic Insert Nuts provide a reliable combination of safety, durability, and professional fastening performance.
Specification:
DIN986 Hexagon Domed Cap Nonmetallic Insert Nuts are manufactured according to DIN standards and feature a hexagonal body with a closed domed cap design and integrated nonmetallic locking insert. The domed cap protects the exposed bolt end from dust, moisture, and external impact, while the nylon insert provides reliable prevailing torque to prevent loosening under vibration and dynamic loads. These nuts are available in various thread sizes and can be produced from stainless steel, carbon steel, and other materials to meet different strength and corrosion resistance requirements.
| Product name | DIN986 Hexagon Domed Cap Nonmetallic Insert Nuts |
|---|---|
| Thread Diameter: | M4-M20 |
| Material: | SS304 SS316 ML08AL Q195 |
| Surface Treatment | Zinc Plated/Bright Pickling/Plain |
| Packaging: | Boxes/cartons into wooden pallets |
Dimension Chart of DIN986 Hexagon Domed Cap Nonmetallic Insert Nuts
The dimension chart of DIN986 Hexagon Domed Cap Nonmetallic Insert Nuts provides detailed specifications for key measurements, including thread size, width across flats, overall height, cap height, and other critical dimensional parameters. These dimensions are designed to ensure proper compatibility with mating bolts and screws while maintaining the protective function of the domed cap and the reliable locking performance of the nonmetallic insert. Accurate dimensions according to DIN986 standards help achieve secure fastening and consistent assembly performance.
| Mon | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M20 |
| P | 0.7 | 0.8 | 1 | 1|1.25 | 1|1.25|1.5 | 1.25|1.5|1.75 | 1.5|2 | 1.5|2 | 1.5|2|2.5 |
| e min | 7.66 | 8.79 | 11.05 | 14.38 | 18.9 | 21.1 | 24.49 | 26.75 | 32.95 |
| h max | 9.9 | 10.85 | 12.35 | 14.35 | 18.5 | 22.9 | 26.8 | 27.9 | 35.5 |
| h min | 9.3 | 10.15 | 11.65 | 13.65 | 17.7 | 22.1 | 26 | 27.1 | 34.5 |
| k min | 2.9 | 4.4 | 4.9 | 6.44 | 8.04 | 10.37 | 12.1 | 14.1 | 16.9 |
| r max | 2.7 | 3.5 | 4 | 5.1 | 6.3 | 7.8 | 8.8 | 9.8 | 11.8 |
| r min | 2.3 | 2.5 | 3 | 4.1 | 5.3 | 5.8 | 6.8 | 7.8 | 9.8 |
| s max | 7 | 8 | 10 | 13 | 16 | 18 | 21 | 24 | 30 |
| s min | 6.78 | 7.78 | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 29.16 |
Application of DIN986 Hexagon Domed Cap Nonmetallic Insert Nuts:
DIN986 Hexagon Domed Cap Nonmetallic Insert Nuts are widely used in applications requiring secure fastening, vibration resistance, and protection of exposed bolt ends. The combination of a hexagonal body, closed cap design, and nylon locking insert makes them suitable for industries where both mechanical reliability and appearance are important. Typical applications include:
| Application | Details |
|---|---|
| Automotive Industry | Used in vehicle assembly, chassis components, engine accessories, and interior structures. The nylon insert helps prevent loosening caused by vehicle vibration, while the domed cap provides a clean appearance and protects threaded ends from damage. |
| Machinery and Equipment Manufacturing | Applied in industrial machines, production equipment, and mechanical assemblies where stable fastening is required under continuous operation and dynamic loads. |
| Electrical and Electronic Equipment Industry | Used in control cabinets, electrical enclosures, and equipment frames where the covered nut design helps prevent sharp thread exposure and improves assembly safety. |
| Furniture and Hardware Industry | Suitable for metal furniture, office equipment, display racks, and decorative structures where an attractive finished appearance and safe external surfaces are required. |
| Construction and Architectural Applications | Used in guardrails, metal structures, outdoor facilities, and architectural hardware where protection of exposed fasteners helps improve durability and visual quality. |
| Agricultural Machinery Industry | Applied in tractors, harvesting equipment, and agricultural tools where fastening components need to withstand vibration, dust, and changing outdoor conditions. |
| Transportation Equipment Industry | Used in trailers, railway accessories, and special vehicles to provide reliable locking performance in long-term service environments. |