Stainlss Steel A4-70 Hex Nylon Nut Per ISO7041 Passivate

Stainless Steel A4-70 Hex Nylon Nut, per ISO 7041, Passivated 1. Description: This is a stainless steel A4-70 hex nylon nut, manufactured according to ISO 7041 standards, and finished with a passivated surface. 2. Material: Made from Stainless Steel 316, known for its excellent corrosion resistance and durability. 3. Surface Finish: Passivated, which enhances the material’s resistance to rust and oxidation. 4. Size Range: Available in sizes from M5 (3/16") up to M24 (1"). 5. Mechanical Properties: Complies with A4-70 specifications, ensuring high strength and reliability. 6. Packing: Available in bulk packing or box packing, and can be customized as per customer requirements, then packed on pallets. We produce a wide range of nuts including hex nuts, hex flange nuts, Kep nuts, hex nylon nuts, hex flange nylon nuts, square nuts, coupling nuts, jam nuts, heavy hex nuts, channel nuts (sliding nuts), and more. Lock nuts provide a secure grip and help prevent loosening due to vibration. Stainless steel fasteners are ideal where strength and cost-effectiveness are key factors. The hexagonal head design allows for easy installation using standard tools. Coarse threads are especially suitable for brittle materials and allow for faster assembly and disassembly compared to fine threads, ensuring a long-lasting hold for any project. If you're interested in our products, feel free to contact us. We'll provide the best price once 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 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
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 machine parts for the automotive and other industries. The group's headquarters 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 easy for us to export our products. What does Lockey do? 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, DIN 6914/5/6, DIN 7990, etc. In addition, we also manufacture special fasteners, hardware parts, forging, and machine parts for the automotive industry. We supply components for Toyota and Honda. Approximately 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 skilled in management and collaboration. Contacting them will bring you satisfactory results. We are glad that you have chosen Lockey as your supplier, but we are more than just a supplier. We are your partner. We don't just sell; we share. We share the latest information on fasteners, price trends, and even profit. We are friends. We care not only about our sales, but also yours 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 ISO 9001 certification, we tackle challenges and solve problems effectively. Lockey has implemented a quality assurance system based on ISO 9001, drawing on 40 years of expertise. Quality criteria are developed considering all possible factors that may affect the final product. 80% of our staff are skilled workers with over five years of experience at Lockey. Employees attend skill training sessions both on and off the job for several weeks. These measures guide our workers in preventing and resolving issues. Does Lockey produce non-standard items? Yes, we do. Please send your specification drawings to our sales representative, and you will receive a quotation. Do Lockey have a published price list? No, we do not. Market conditions in our business are always changing, making it difficult to maintain a fixed pricing structure. Our sales staff is flexible when it comes to providing quotes for your needs, ensuring you get the best price available when you need it. Does Lockey offer discounts? Of course, we can offer discounts based on large order quantities. However, as mentioned above, we believe our sales team has already provided you with the best possible price. Therefore, while you may receive a small discount, it won’t be significant. Feel free to explore further. Does Lockey provide samples? Why not? Stored samples are completely free. However, we don’t have a budget for express shipping. What is the delivery time? It depends on your order quantity. Standard items typically take 20–40 days, while non-standard items may take 35–60 days. Please check 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.

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