
Our stainless steel nut series is engineered for high strength, corrosion resistance, and long-term durability across industrial applications. As a custom stainless steel nut manufacturer and precision stainless steel nuts factory in China, we produce a full range of stainless steel nuts and bolts, including hex nuts, lock nuts, flange nuts, cap nuts, wing nuts, acorn nuts, square nuts, coupling nuts, nylock nuts, and dome nuts.
Each nut is manufactured with strict precision tolerance, high torque strength, and excellent thread integrity, ensuring reliable performance in machinery, Automotive parts, marine equipment, outdoor devices, and heavy-duty industrial systems. We also provide complete OEM stainless steel nuts supplier services, supporting drawings, custom specifications, and bulk export.

High Precision Threading: CNC-machined stainless steel threaded nuts with consistent thread engagement and excellent dimensional accuracy.
Superior Corrosion Resistance: Ideal for harsh environments including chemicals, saltwater, and outdoor exposure—perfect for stainless steel nuts for marine applications.
Multiple Nut Types Available: Hex, flange, lock, dome, acorn, wing, square, coupling, and heavy duty stainless steel nuts.
OEM & Customization: Full support for custom stainless steel nuts OEM, thread pitch customization, logo engraving, and special surface finishes.
High Strength Performance: Designed to deliver high torque strength for demanding applications.
Bulk Supply & Wholesale: Stable production capacity for stainless steel fastener nuts wholesale and global export orders.
Our production is executed using advanced machining technologies to ensure accuracy and consistency:
CNC Machining: High precision turning for threads, diameters, and seating surfaces.
CNC Turning & Milling: Achieving complex geometries and tight tolerances for specialized nut designs.
Automated Thread Rolling & Tapping: Ensuring stable and smooth internal threading.
Heat Treatment (Optional): Applied for carbon steel versions to increase strength and hardness.
Deburring & Finishing: Automated polishing to ensure smooth edges and premium appearance.
Our factory runs strict process control to maintain consistent quality across all stainless steel nut bulk supply orders.
To meet the needs of different industries, we offer multiple material options:
Excellent corrosion resistance
Ideal for marine, outdoor, chemical, and food-grade applications
Perfect for stainless steel nuts for machinery and outdoor equipment
High tensile strength
Cost-effective option
Suitable for structural and automotive applications (heat-treated available)
Lightweight
Good thermal and corrosion resistance
Suitable for aerospace, electronics, and lightweight structures
Anti-rust, decorative appearance
Excellent electrical conductivity
Commonly used in electronics and instrumentation
Depending on the material and usage scenario, the following surface treatments are available:
Polishing / Mirror Polishing
Electroplating (Zinc, Nickel, Chrome)
Passivation for Stainless Steel
Anodizing (For aluminum nuts)
Black Oxide
Sandblasting / Brushed Finish
These finishes improve corrosion resistance, appearance, and mechanical performance.
We operate strict QC procedures at every production stage:
Thread Gauges (GO/NO-GO)
CMM Precision Measuring Machines
Tensile Strength Testing
Surface Roughness Measurement
Salt Spray Corrosion Testing
Typical precision capabilities:
Tolerances: ±0.01–0.03 mm
Thread Standards: Metric / UNC / UNF / BSW
Surface Roughness: Ra 0.8–3.2 μm
Every batch of stainless steel nuts for export undergoes full inspection to ensure consistency and quality.
Our stainless steel nuts are widely used across multiple industries:
Automotive Parts & Assemblies
Industrial Machinery & Equipment
Aerospace & Aviation Components
Marine Hardware & Offshore Equipment
Outdoor Structures & Construction
Electronics, Instruments & Sensors
Renewable Energy (Solar, Wind)
Strong corrosion resistance and high torque performance make them ideal for both indoor and harsh outdoor environments.
Yes. As an OEM stainless steel nuts supplier in China, we support custom threads, materials, sizes, drawings, branding, and packaging.
Standard parts: 5–10 days
Custom items: 12–20 days depending on complexity
Bulk production for stainless steel nut supplier China orders can be expedited.
We support both small trial orders and stainless steel nut bulk supply for distributors.
Metric (M), UNC, UNF, BSW, and custom standards.
Yes. We recommend 316 stainless steel nuts for marine applications, offering the best corrosion resistance.