Lock Nut
| Product Number | AJMA0420012 |
| Description | Internal hexagon socket set screw |
| Specifications | 1/2-20TX11.5 |
| Material | SUS304 |
| Surface Treatment | Passivated, natural finish |
| Application Industry | Doors and windows |
Nuts & Washers are essential fastening components used together with bolts, screws, and studs to ensure secure connections, load distribution, and long-term assembly stability. According to structure, function, and application requirements, nuts and washers can be classified into standard parts and custom parts.
Secure & Reliable Fastening Performance
Our nuts and washers provide stable and secure fastening, effectively preventing loosening caused by vibration, torque, or long-term use. They are ideal for applications requiring high mechanical reliability.
Wide Material & Specification Options
Available in carbon steel, stainless steel, aluminum, and other materials, with multiple sizes and standards (DIN, ISO, ANSI). This flexibility allows easy matching for different bolts and application environments.
Excellent Durability & Corrosion Resistance
With various surface treatments such as zinc plating, black oxide, and eco-friendly coatings, our nuts and washers offer enhanced corrosion resistance and extended service life, even in harsh conditions.
Compatible with Multiple Industries & Applications
Suitable for machinery, automotive, construction, electronics, and custom hardware assemblies. Their versatility makes them a cost-effective fastening solution across diverse industrial applications.
Ruige makes controlling shafts effortless, unlocking limitless application possibilities.
Focusing on carbon steel shaft gaskets, Ruige makes shaft control a breeze, helping customers expand into more innovative application areas.
| Product Number | AJMA0420012 |
| Description | Internal hexagon socket set screw |
| Specifications | 1/2-20TX11.5 |
| Material | SUS304 |
| Surface Treatment | Passivated, natural finish |
| Application Industry | Doors and windows |
| Product Number | ALMA0420001 |
| Description | External hexagonal nuts |
| Specifications | 8x11.9 |
| Material | 1215 |
| Surface Treatment | Environmentally friendly color zinc |
| Application Industry | Doors and windows |
Our products are perfect for home care, beauty salons, and medical use, promoting skin health and wellness
With 18 years in the shaft components industry, Mengpeng covers 80% of market demand and serves over 800 clients, including renowned brands like Huawei, Lenovo, Mindray, and Volkswagen.
Making every rotation smoother and every detail more precise—follow Mengpeng Hardware to explore more possibilities for shafts.
We provide comprehensive customization services for materials, dimensions, tolerances, and surface treatments to meet the high-standard requirements of industries such as consumer electronics, medical devices, and automotive.
With a stock of 90 million standard parts, we support same-day order placement and next-day delivery, ensuring smooth production schedules and minimizing waiting times for our customers.
We offer product selection guidance, process optimization, installation assistance, and application solutions to help customers improve R&D efficiency and reduce production risks.
Washer tolerances can be controlled within 0.03–0.05mm (Higher precision can be achieved at 0.01-0.02mm.), supported by a complete inspection system to ensure every batch of products is stable, reliable, and compliant with industry standards.
Available surface finishes include zinc plating, black oxide, nickel plating, anodizing, and environmentally friendly coatings.
Common materials include carbon steel, stainless steel (304/316), aluminum, brass, and alloy steel.
Our washers include flat washers, spring washers, toothed washers, sealing washers, and special washers for industrial applications.
We offer hex nuts, lock nuts, flange nuts, cap nuts, knurled nuts, and custom nuts based on drawings or samples.
Nuts and washers are fastening components used together with bolts or screws to secure parts, distribute load, and prevent loosening during operation.
We are a specialized manufacturer of non-standard/ standard cold heading screws, bolts, studs, rivets, CNC lathe parts, and other metal fasteners.
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