Stainless Steel A2-50 Hex Nylon Lock Nut with Passivated Finish
1> Description: Stainless Steel A2-50 Hex Nylon Lock Nut with a passivated finish.
2> Material: Stainless Steel 304, known for its corrosion resistance and durability.
3> Surface Treatment: Passivated to enhance corrosion resistance and improve surface quality.
4> Size Range: M5 (3/16") to M24 (1"), suitable for a wide range of applications.
5> Mechanical Properties: A2-50, meeting international standards for strength and performance.
6> Packaging: Available in bulk packing or box packing, and can be customized to customer requirements, including pallet packaging.
We manufacture a variety of nuts, including Hex Nuts, Hex Flange Nuts, Kep Nuts, Hex Nylon Nuts, Hex Flange Nylon Nuts, Square Nuts, Coupling Nuts, Hex Jam Nuts, Hex Heavy Nuts, Channel Nuts (Sliding Nuts), and more.
Lock Nuts ensure a secure hold and reduce slippage, making them ideal for various industrial and mechanical applications. Stainless Steel fasteners are perfect where strength and cost-effectiveness are key factors. The hexagonal drive system allows for easy installation and removal. Coarse threads are particularly effective for brittle materials and provide faster assembly and disassembly compared to fine threads.
If you're interested in our products, please don't hesitate to contact us. We'll provide the best price as soon as we receive your inquiry.
**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, while the main plant is located in Jingjiang City, enabling 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 supply special fasteners, hardware parts, forging, and machined components for the automotive industry, including parts for Toyota and Honda. 70% of our products are exported globally.
**Why choose Lockey?**
Lockey never stops innovating. Innovation is the driving force behind our growth, combining both technological and conceptual advancements. We have a team of skilled professionals who are committed to quality and cooperation. When you work with us, you get more than just a supplier—you become a partner. We share information on fasteners, pricing trends, and even profit. We care about your success as much as our own.
**How does Lockey ensure quality?**
With over 40 years of experience in fastener manufacturing and an ISO 9001 certification, we have developed a comprehensive quality assurance system. Our staff includes 80% skilled workers with over five years of experience. Employees undergo regular training to ensure they can prevent and resolve any issues effectively.
**Do you produce non-standard items?**
Yes, we do. If you have specific drawings or specifications, 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 are constantly changing, making it difficult to maintain a standard pricing list. Our sales team is flexible and offers competitive pricing tailored to your needs.
**Do you offer discounts?**
Yes, we offer discounts based on order quantity. However, we believe our sales team provides the best possible price for you. While you may receive a small discount, it’s not guaranteed to be large.
**Do you provide samples?**
Yes, stored samples are free of charge. However, we do not have a budget for express shipping.
**What is the delivery time?**
It depends on the order quantity. Standard items typically take 20–40 days, while non-standard items may take 35–60 days. Please consult with your sales representative for an accurate shipment date.
**What is the payment term?**
Preferred payment terms are T/T and L/C. Western Union is also acceptable for low-value payments, such as 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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