Stainless Steel A4-50 Hex Nylon Nut Passivate
2025-08-04 09:32:59
Stainless Steel A4-50 Hex Nylon Nut Passivated
1. Description: Stainless Steel A4-50 Hex Nylon Nut, Passivated
2. Material: Stainless Steel 316
3. Surface Treatment: Passivated
4. Size Range: M5 (3/16") to M24 (1")
5. Mechanical Properties: A4-50
6. Packing: Bulk packing, box packing, or as per customer's request, packed on 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, Hex Heavy Nuts, Channel Nuts (Sliding Nuts), and more. Lock Nuts ensure a secure hold and reduce slippage. Stainless Steel fasteners are ideal for applications where strength and cost-effectiveness are key factors. The hexagonal drive system allows for easy tightening and loosening. Coarse threads are recommended for brittle materials and offer faster assembly compared to fine threads. Ensure long-lasting performance for all your projects. If you are interested in our products, feel free to contact us. We will provide the best price once 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 sale of fasteners, hardware parts, forging, and machined components for the automotive and other industries. The group has its headquarters 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 easy for us to export our products.
What does Lockey do?
As a fastener manufacturer, we mainly produce:
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 such as ASTM A325/A490, ASTM F1852/F2280, DIN6914/5/6, DIN7990
We also produce special fasteners, hardware parts, forging, and machined components for the automotive industry, including parts for Toyota and Honda. 70% of our products are exported.
Why choose Lockey?
Lockey never stops innovating. Innovation is the driving force behind our growth. We focus on both technological and conceptual innovation to keep moving forward. We have a team of skilled professionals who excel in management and cooperation. Contact us, and you will get satisfactory results. We are not just a supplier—we are your partner. We don’t just sell; we share. Share the latest information about fasteners, price trends, and even profit. We are your friend. We care about your sales, your usage, and the quality of our products.
How does Lockey ensure quality?
With over 40 years of experience in fastener manufacturing and ISO 9001 certification, we address any challenges and solve them effectively. We have a quality assurance system based on ISO 9001, developed through our extensive experience. We carefully consider factors that may affect quality. 80% of our staff are skilled workers with over five years of experience. Employees undergo training to improve their skills, which helps prevent and resolve issues efficiently.
Do you produce non-standard items?
Yes, we do. Send your specification drawings to our sales representative, and we will provide you with a quotation.
Do you have a published price list?
No, we don't. Market conditions fluctuate, making it difficult to maintain standard pricing. Our sales team is flexible when providing quotes, ensuring you get the best possible price at the time of your request.
Do you offer discounts?
Yes, we can offer discounts based on large quantities. However, we believe our sales team already offers the best price available. While you may get a small discount, it’s worth exploring further.
Do you 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 your order quantity. Standard items usually take 20–40 days, while non-standard ones may take 35–60 days. Please consult with our sales representative for an accurate shipment date.
What are the payment terms?
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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