Stainless Steel A4-70 Hex Nylon Nut with Flange, per DIN6926
1. Description: Stainless Steel A4-70 Hex Nylon Nut with Flange, designed to meet the requirements of DIN6926.
2. Material: Made from high-quality stainless steel 316, known for its excellent corrosion resistance and durability.
3. Surface Finish: Passivated to enhance its resistance to rust and maintain a clean appearance.
4. Size Range: Available in sizes from M5 (3/16") up to M24 (1"), suitable for a wide range of applications.
5. Mechanical Properties: Complies with A4-70 standards, ensuring superior strength and reliability.
6. Packing: Offered in bulk, box-packed, or customized as per customer requests, then palletized for shipping.
We produce a wide variety of nuts, including hex nuts, flange nuts, Kep nuts, nylon nuts, flange nylon nuts, square nuts, coupling nuts, jam nuts, heavy hex nuts, channel nuts (sliding nuts), and more. Lock nuts are ideal for securing fastening systems, reducing slippage, and ensuring long-term performance.
Stainless steel fasteners are ideal for applications where both strength and cost-effectiveness are important. The hexagonal drive system ensures easy installation and removal. Coarse threads are particularly useful when working with brittle materials, as they allow for quicker assembly and disassembly compared to fine threads.
If you're interested in our products, feel free to contact us. We’ll provide you with the best possible price once we receive your inquiry.
Technical Delivery Conditions
| **Item** | **Details** |
|----------|-------------|
| **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 for surface roughness; DIN267 Part 20 for permissible surface discontinuities; DIN267 Part 21 for widening test; DIN267 Part 9 for electroplating; DIN267 Part 10 for hot dip galvanizing |
| **Acceptance Inspection** | DIN267 Part 5 applies |
Q&A
**Who is Lockey?**
Lockey is a fastener manufacturer established in 1973. Dragon Iron Group focuses on the production and sales of fasteners, hardware parts, forging, and machine parts for the 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 to serve as the foreign sales department of the group. Our manufacturing plant is based in Jingjiang City, making it easy for us to export our products globally.
**What do Lockey produce?**
As a leading fastener manufacturer, we produce a wide range of products, including but not limited to:
- Bolts, studs, and threaded rods
- Hex nuts, nylon nuts, and flange locknuts
- Tapping screws, drilling screws, wood screws, machine screws, and socket cap screws
- Plain washers, spring washers, and tooth washers
- Structural fasteners such as ASTM A325/A490, ASTM F1852/F2280, DIN6914/5/6, DIN7990
We also manufacture special fasteners, hardware parts, and components for the automotive industry, serving major brands like Toyota and Honda. Over 70% of our products are exported worldwide.
**Why choose Lockey?**
Innovation has always been at the core of Lockey’s development. We continuously strive for technological and conceptual advancements to stay ahead in the market. Our team of skilled professionals ensures that every project is handled with precision and care. We don’t just sell products—we build partnerships. We share insights, price trends, and even profit with our clients. We’re not just suppliers; we’re your trusted partners.
**How does Lockey ensure quality?**
With over 40 years of experience in fastener manufacturing and an ISO9001 certification, we have built a robust quality assurance system. 80% of our staff are skilled workers with more than five years of experience. All employees undergo regular training to ensure consistent quality and effective problem-solving.
**Do you produce non-standard items?**
Yes, we do. If you have specific drawings or requirements, send them to our sales representative, and we will provide a detailed quotation.
**Do you have a published price list?**
No, we don’t. Market conditions can be volatile, so we prefer to offer flexible pricing tailored to each client’s needs. Our sales team is trained to provide the most competitive prices based on your order.
**Do you offer discounts?**
Of course! We offer discounts based on large volume orders. However, our sales team works hard to ensure you get the best possible price without compromising on quality.
**Do you provide samples?**
Yes, we do. Stored samples are available free of charge. However, we currently don’t have a budget for express delivery.
**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 are your payment terms?**
We prefer T/T and L/C. Western Union is also accepted for small-value payments, such as sample shipping fees.
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