Stainless Steel A4-80 Hex Nylon Nut with Flange, per DIN6927 1. Description: Stainless Steel A4-80 Hex Nylon Nut with Flange, designed to meet the DIN6927 standard. 2. Material: Made from high-quality stainless steel 316, known for its excellent corrosion resistance and durability. 3. Surface Treatment: Passivated finish to enhance the material’s resistance to rust and oxidation. 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 the A4-80 mechanical grade, ensuring high strength and reliability. 6. Packing: Offered in bulk packing, box packing, or as per customer request, and then packed on pallets for shipping. We specialize in manufacturing 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 grip and reduce slippage, making them ideal for critical fastening applications. Stainless Steel fasteners are perfect for situations where both strength and cost-effectiveness are key factors. The hexagonal drive system ensures easy installation and removal. Coarse threads are especially beneficial for brittle materials and allow for faster assembly and disassembly compared to fine threads. If you're interested in our products, don't hesitate to reach out. We'll provide you with the best price as soon as we receive your inquiry.
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
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, 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, allowing 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 threaded rods. 2. Hex nuts, nylon nuts, and flange locknuts. 3. Tapping screws, drilling screws, wood screws, machine screws, and socket cap screws. 4. Plain washers, spring washers, and tooth washers. 5. Structural applications, such as ASTM A325/A490, ASTM F1852/F2280, DIN6914/5/6, DIN7990, etc. In addition, we also offer special fasteners, hardware parts, forging, and machine parts for the automotive industry. We manufacture parts for Toyota, Honda, and others. 70% of our products are exported globally. 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 cooperation. Contacting these experts will bring you satisfactory results. We are proud that you've chosen Lockey as your supplier, but we are more than just a supplier. We are your partner. We don’t only sell; we share—sharing the latest information on fasteners, price trends, and even profits. We are friends. We care about your sales, your success, and the quality of the products you use. What does Lockey do to ensure quality? With over 40 years of experience in fastener manufacturing and an ISO9001 certificate, we address challenges and solve problems effectively. Lockey has established a quality assurance system based on ISO9001, incorporating all factors that could affect product quality. 80% of our staff are skilled workers with more than five years of experience. Employees undergo skill training for weeks, both on and off the job. These measures guide our workers to prevent and handle 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. Market conditions fluctuate constantly, making it difficult to maintain a fixed pricing structure. Our sales team has the flexibility to provide quotes tailored to your needs, ensuring you get the best possible price when you need it. Does Lockey offer discounts? Of course, we can offer discounts based on large orders. However, as mentioned earlier, we believe our sales team has already provided you with the best price. While you may receive a small discount, it's not guaranteed. Feel free to explore further. Does Lockey provide samples? Absolutely! Stored samples are completely free. However, please note that we do not 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 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.

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