Carbon Steel Large Flange Nut with Yellow Zinc Finish
1> Description: Carbon Steel Large Flange Nut with Yellow Zinc Finish
2> Material: Carbon Steel
3> Surface Treatment: Yellow Zinc Coating
4> Size Range: M6 (1/4") to M24 (1")
5> Mechanical Properties: Class 6
6> Packing: Bulk packing, small box packing, or as per 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.
If you are interested in our products, please don’t hesitate to contact us. 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 sale of fasteners, hardware parts, forging, and machined components for automotive and other industries. The group has its headquarters, Dragon Iron Enterprise, in A Lien, Taiwan. Lockey Industrial Co., Ltd., set up in 2003 in Dongguan City, serves 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 produce?**
As a fastener manufacturer, we mainly produce, but are 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
We also produce special fasteners, hardware parts, forging, and machined parts for the automotive industry. We supply parts for Toyota, Honda, and others. 70% of our products are exported worldwide.
**Why choose Lockey?**
Lockey never stops innovating. Innovation is the driving force behind our development. We focus on both technological and conceptual innovation, ensuring that we continue to grow and improve. We have gathered a team of professionals who excel in management and cooperation. Contacting them ensures you get the best results.
We are not just a supplier—we are a partner. We don't only sell; we share. Share the latest information on fasteners, price trends, and even profit. We are friends, not just business partners. We care about your sales, your success, and the quality of the products you use.
**How does Lockey ensure quality?**
With over 40 years of experience in fastener manufacturing and an ISO 9001 certification, we address any challenges and solve them effectively. Our quality assurance system is built on the principles of ISO 9001, and we have developed strict criteria based on factors that may affect quality. 80% of our staff are skilled workers with more than five years of experience at Lockey. Employees undergo skill training during and outside working hours to ensure they know how to prevent and resolve issues.
**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 don’t. Market conditions fluctuate, which makes standard pricing difficult to maintain. Our sales staff can be flexible when quoting prices based on your specific needs, so you always get the best possible price.
**Does Lockey offer discounts?**
Of course, we can offer discounts based on large orders. However, we believe our sales representatives already provide the best price available. While you may get a small discount, we recommend reaching out directly to explore better options.
**Does Lockey provide samples?**
Yes, we do. Free samples are available if in stock. However, we don’t have a budget for express shipping.
**What is the delivery time?**
It depends on the order quantity. Standard items take approximately 20–40 days, while non-standard items may take 35–60 days. Please consult with our sales representative for an accurate shipment date.
**What is the payment term?**
T/T and L/C are preferred payment terms. Western Union is also accepted for low-value payments, such as sample shipping fees.
Technical Delivery Conditions | |||||
Material | Steel | Stainless steel | Non-ferrous metal | ||
General requirements | As specified in DIN 267 part 1 | ||||
Thread | Tolerance | 6H | |||
Standard | DIN13 Part 12 & 15 | ||||
Mechanical properties | Property class | ≤M39 | A2-70 | Subject to agreement | |
A4-70 | |||||
>M39 | Subject to agreement | ||||
Standard | ISO 267 Part 4 | DIN267 Part 11 | DIN267 Part 18 | ||
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 | Bright | Bright | ||
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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