Stainless Steel A4-80 Hex Nylon Nut, Passivated
1. Description: Stainless Steel A4-80 Hex Nylon Nut, Passivated
2. Material: Stainless Steel 316
3. Surface: Passivated
4. Size: M5 (3/16") to M24 (1")
5. Mechanical Properties: A4-80
6. Packing: Bulk packing, box packing, or as per customer request, then palletized
We manufacture a wide range of nuts, including Hex Nut, Hex Flange Nut, Kep Nut, Hex Nylon Nut, Hex Flange Nylon Nut, Square Nut, Coupling Nut, Hex Jam Nut, Hex Heavy Nut, Channel Nut (Sliding Nut), and more. Lock Nuts provide a secure hold and reduce slippage. Stainless Steel fasteners are ideal for applications where strength and cost-effectiveness are key considerations. The hexagonal head design ensures easy tightening. Coarse threads are better suited for brittle materials and allow faster assembly and disassembly compared to fine threads. Ensure long-lasting performance for all your projects.
If you're interested in our products, feel free 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 focuses on the production and sales of fasteners, hardware parts, forging, and machine parts for automotive and other industries. The group's headquarters, Dragon Iron Enterprise, 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, making it easier for us to export 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, flange locknuts
3. Tapping screws, drilling screws, wood screws, machine screws, socket cap screws
4. Plain washers, spring washers, tooth washers
5. Structural applications, ASTM A325/A490, ASTM F1852/F2280, DIN6914/5/6, DIN7990
In addition, we also produce special fasteners, hardware parts, forging, and machine parts for the automotive industry. We supply parts for Toyota, Honda, and others. 70% of our products are exported.
Why choose Lockey?
Lockey never stops innovating. Innovation is the driving force behind our development. Through technological and conceptual innovation, we continue to grow and improve. We have gathered a team of professionals who excel in management and collaboration. Contacting them will bring you satisfaction.
We are not just a supplier but a partner. We don’t only sell; we share. Share the latest information on fasteners, price trends, and even profit. We are friends. We care about your sales and the quality of your usage, just as much as we do about our own.
What does Lockey do to ensure quality?
With over 40 years of experience in fastener manufacturing and an ISO 9001 certification, we address challenges and solve problems effectively. We have a quality assurance system based on ISO 9001, supported by our extensive experience. We set criteria considering factors that may affect quality. 80% of our staff are skilled and have worked with us for more than five years. Employees undergo training to prevent and handle issues efficiently.
Does Lockey produce non-standard items?
Yes, we do. Send your specifications or drawings to our sales representative, and we will provide a quotation.
Does Lockey have a published price list?
No, we do not. Market conditions are always changing, which makes maintaining a standard pricing structure difficult. Our sales staff are flexible when it comes to quoting your requirements, ensuring you get the best possible price when you need it.
Does Lockey offer discounts?
Yes, we can offer discounts based on large quantities. However, as mentioned earlier, our sales team strives to offer the best price available. You may get a discount, but it won't be very large. Feel free to explore further.
Does Lockey provide samples?
Of course! 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 usually 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?
T/T and L/C are preferred. Western Union is also acceptable for low-value payments such as sample express 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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