Din985 Stainless Steel Hex Nylon Nut
Product: Din985 Stainless Steel Hex Nylon Nut
Standard: Din985
Material: A2-70/A4-80
Surface: Stainless Steel
Specification Range: M3-M48
Property Class: 10
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Product Introduction
Product: Din985 Stainless Steel Hex Nylon Nut
Standard: Din985
Material: A2-70/A4-80
Surface: Stainless Steel
Specification Range: M3-M48
Property Class: 10
Mechanical Properties
Core Functions
Relies on the deformation of a nylon ring embedded in the internal thread when squeezed by the bolt thread to filled gaps and generate continuous friction, achieving dynamic anti-loosening while protecting the bolt thread from direct wear.
Key Features
Reliable Locking: The nylon ring provides a stable interfere with strong resistance to vibration and impact loosening. Easy Installation and Removal: No additional anti-loosening adhesive required; allows for repeated disassembly with minimal torque decay.
Wide compatibility steel material (common A2-70/A4-80) resists salt spray corrosion; suitable for full coarse thread specifications M3–M48.
Design: Lower nut height compared to standard counterparts, suitable for space-constrained applications.
Major Industry Applications
Automotive Manufacturing:
Areas with severe vibration such as engine compartments, chassis suspension,king systems.
01
Construction Machinery:
Structural connections and hydraulic pipe fixing for heavy-duty equipment like excavators and cranes.
02
Rail Transit:
Critical connections subject to long-term dynamic lo such as bogies and car body components.
03
General Machinery:
Pumps, valves, gearboxes, machine tools, and industrial automation production lines.
04
Outdoor Facilities:
Scenarios with concurrent corrosion vibration, such as photovoltaic brackets, bridge railings, and wind power equipment.
05
Selection and Usage Tips
Operating Temperature:
Long-term operation of nylon inserts is recommended at ≤120°C; metal locking nuts should be used in high-temperature environments.
Standard Reference:
Although replaced by ISO 10511, DIN985 specifications available and used; ensure clarity when coordinating with foreign trade.
Grade Matching:
A2-70 stainless steel is commonly used for general strength requirements; for special conditions, select high resistance grades like A4-80 as needed.
Established in 2005, our company has evolved over two decades of continuous development into a leading regional enterprise in the fastener industry with fully automated end-to-end production. With an annual output value exceeding RMB 130 million, our product range covers diverse market segments from mid-range to high-end and is distributed worldwide
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