Stainless Steel A4-70 Hex Nylon Nut with Flange
1> Description: Stainless Steel A4-70 Hex Nylon Nut with Flange
2> Material: Stainless Steel 316
3> Surface: Passivated
4> Size: M5 (3/16") to M24 (1")
5> Mechanical Properties: A4-70
6> Packing: Bulk packing, box packing, and palletized upon customer request
We produce 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 ensure a secure hold and reduce slippage. Stainless Steel fasteners are ideal for applications where strength and cost-effectiveness are key factors. The drive system features a hexagonal head, making it easy to handle. Coarse threads are suitable for brittle materials and allow for faster assembly and disassembly compared to fine threads. Ensure long-lasting performance for any project. If you are interested in our products, feel free to contact us, and we will 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 machine parts for automotive and other industries. The group's headquarters is Dragon Iron Enterprise 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 us to efficiently export our products.
What do Lockey produce?
As a fastener manufacturer, we mainly produce, but are not limited to:
1. Bolts, studs, and thread 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
Additionally, we also offer special fasteners, hardware parts, forging, and machine parts for the automotive industry. We supply components 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 continuous development. Through technological and conceptual innovation, we keep moving forward. We have gathered a team of skilled professionals who excel in management and cooperation. Contacting them will lead to satisfactory results. We are not just a supplier; we are a partner. We don’t only sell, we share—sharing the latest information on fasteners, price trends, and even profit. We are friends. We care about both our sales and yours, as well as the quality of the products during use.
What do Lockey do to assure the quality?
With over 40 years of experience in fastener manufacturing and an ISO9001 certificate, we tackle challenges and solve problems effectively. We have implemented a quality assurance system based on ISO9001, incorporating all factors that may affect product quality. 80% of our staff are skilled workers with over five years of experience. Employees attend skill training sessions on and off the job for several weeks. All these efforts guide our workers to prevent and manage issues effectively.
Do Lockey produce non-standard items?
Yes, we do. Send your specification drawings to our sales representative, and you will receive a quotation promptly.
Does Lockey have a published price list?
No, we do not have a published price list. Market conditions fluctuate constantly, making it difficult to maintain standard pricing. Our sales team is flexible when providing quotes, ensuring you get the best price available at the time of your request.
Does Lockey offer a discount?
Of course, we can offer discounts based on large orders. However, as mentioned earlier, we believe our sales team has already provided the best possible price. You may receive a small discount, but it’s not significant. Feel free to explore further.
Does Lockey provide samples?
Yes, we do. Stored samples are completely free. However, we do not have a budget for express shipping.
What is the delivery time?
It depends on your order quantity. Standard items take approximately 20–40 days, while non-standard ones 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 payment methods. 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 regarding surface roughness | ||
DIN267 Part 20 shall apply regarding permissible surface discontinuities | ||
DIN267 Part 21 shall apply regarding the widening test | ||
DIN267 Part 9 shall apply regarding electroplating | ||
DIN267 Part 10 shall apply regarding hot dip galvanizing | ||
Acceptance inspection | DIN267 Part 5 shall apply regarding acceptance inspection |
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