Stainless Steel A2-50 Hex Nylon Lock Nut with Passivated Finish
1. Description: This is a stainless steel A2-50 hex nylon lock nut, designed for secure fastening and to prevent loosening under vibration.
2. Material: Made from Stainless Steel 304, known for its corrosion resistance and durability.
3. Surface Treatment: Passivated finish to enhance corrosion resistance and ensure a smooth surface.
4. Size Range: Available in sizes from M5 (3/16") up to M24 (1").
5. Mechanical Properties: Complies with the A2-50 standard, offering good strength and reliability.
6. Packing: Available in bulk packing or box packing. Custom packaging options are also available upon request, including pallets.
We manufacture a wide range of nuts, including hex nuts, hex flange nuts, Kep nuts, hex nylon nuts, hex flange nylon nuts, square nuts, coupling nuts, hex jam nuts, heavy hex nuts, channel nuts (sliding nuts), and more.
Lock nuts are ideal for applications where a secure hold is essential. They reduce slippage and provide a reliable connection. Stainless steel fasteners are perfect for environments where both strength and cost-effectiveness are important. The hexagonal drive system ensures easy installation and removal. Coarse threads are particularly suitable for brittle materials, allowing for quicker assembly and disassembly.
If you're interested in our products, feel free to contact us. We'll provide you with the best price based on your requirements.
Q&A
Who is Lockey?
Lockey is a fastener manufacturer established in 1973. Dragon Iron Group specializes in the production and sales of fasteners, hardware parts, forging, and machined components for automotive and other industries. The group's headquarters is located in A Lien, Taiwan. Lockey Industrial Co., Ltd. was set up in 2003 in Dongguan City as the foreign sales department of the group. Our plant is located in Jingjiang City, which allows for efficient export of our products.
What does Lockey do?
As a fastener manufacturer, we produce a wide range of products, including but not limited to:
1. Bolts, studs, and threaded rods
2. Hex nuts, nylon nuts, and flange locknuts
3. Tapping screws, drilling screws, wood screws, machine screws, and socket cap screws
4. Plain washers, spring washers, and tooth washers
5. Structural applications such as ASTM A325/A490, ASTM F1852/F2280, DIN 6914/5/6, DIN 7990, etc.
We also produce special fasteners, hardware parts, forging, and machined parts for the automotive industry, including parts for Toyota and Honda. Over 70% of our products are exported globally.
Why choose Lockey?
Innovation is at the core of Lockey’s success. With over 40 years of experience in fastener manufacturing and an ISO 9001 certification, we have developed a strong quality assurance system. Our team includes skilled professionals who are dedicated to continuous improvement and customer satisfaction. We believe in building long-term partnerships rather than just selling products. We share knowledge, market trends, and even profit with our customers.
How does Lockey ensure quality?
Our quality control process is built on over 40 years of experience and strict adherence to international standards. We maintain a 80% skilled workforce with an average tenure of over five years. Employees undergo regular training to ensure they can prevent and resolve issues effectively.
Do you produce non-standard items?
Yes, we do. If you have specific design drawings, please send them to our sales representative, and we will provide a quotation.
Do you have a published price list?
No, we don’t. Market conditions fluctuate, making it difficult to maintain a fixed pricing structure. Our sales team offers flexible pricing tailored to your needs.
Do you offer discounts?
Yes, we offer discounts based on order quantity. However, our sales team always strives to provide the best possible price.
Do you provide samples?
Yes, stored samples are free of charge. However, we don’t have a budget for express shipping.
What is the delivery time?
It depends on the order quantity. Standard items take about 20–40 days, while non-standard items may take 35–60 days. Please consult with our sales representative for an accurate delivery date.
What are the payment terms?
Preferred payment methods are T/T and L/C. Western Union is also acceptable for small payments like sample shipping fees.
| Technical Delivery Conditions | ||
| Material | Steel | |
| General Requirements | As specified in DIN 267 part 1 & 15 | |
| Thread | Tolerance | 6H |
| Standard | DIN13 Part 12 & 15 | |
| Mechanical Properties | Property Class | ≤M39: 5, 6, 8 or 10 | >39: By agreement |
| Standard | ISO 267 Part 4 | |
| Limit Deviations Geometrical Tolerance | Product Grade | A for product up to size M24 and L≤10d or 150mm | B for product exceeding size M24 or L>10d or 150mm |
| Standard | ISO 4759 Part 1 | |
| Surface Finish | As processed | |
| DIN267 Part 2 shall apply with regard to surface roughness | ||
| DIN267 Part 20 shall apply with regard to permissible surface discontinuities | ||
| DIN267 Part 21 shall apply with regard to the widening test | ||
| DIN267 Part 9 shall apply with regard to electroplating | ||
| DIN267 Part 10 shall apply with regard to hot dip galvanizing | ||
| Acceptance Inspection | DIN267 Part 5 shall apply with regard to acceptance inspection | |
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