Stainless Steel A4-50 Hex Nylon Nut Per DIN985 Passivate

Stainless Steel A4-50 Hex Nylon Nut, per DIN 985, Passivated 1. Description: Stainless Steel A4-50 Hex Nylon Nut, manufactured according to DIN 985 standards, with a passivated surface finish. 2. Material: Made from Stainless Steel 316, known for its excellent corrosion resistance and durability. 3. Surface Finish: Passivated to enhance resistance against rust and oxidation. 4. Size Range: Available in sizes from M5 (3/16") up to M24 (1"). 5. Mechanical Properties: Complies with the A4-50 standard, ensuring high strength and reliability. 6. Packing: Available in bulk packing or box packing, and can be customized based on customer requirements, then packed in 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 Nuts, Channel Nuts (Sliding Nuts), and more. Lock Nuts provide a secure hold and help reduce slippage. Stainless Steel fasteners are ideal for applications where strength and cost-effectiveness are key considerations. The hexagonal head design ensures easy installation and removal. Coarse threads are particularly suitable for brittle materials and allow for faster assembly and disassembly compared to fine threads. If you are interested in our products, feel free to contact us. We will provide 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 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, making it easier 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 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, ASTM A325/A490, ASTM F1852/F2280, DIN 6914/5/6, DIN 7990 In addition, 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 development. We focus on both technological and conceptual innovation to ensure continuous growth. We have a team of skilled professionals who excel in management and collaboration. When you work with us, you’ll get excellent results. We are not just a supplier; we are a partner. We don’t just sell products—we share information, price trends, and even profits. We are friends, and we care about your success as much as our own, including 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 certificate, we address any challenges that arise and solve them effectively. We have a quality assurance system based on ISO 9001, developed through our extensive experience. We establish criteria based on factors that may affect quality. 80% of our staff are skilled workers with over five years of experience. Employees attend skill training programs to learn how to prevent and handle issues efficiently. **Does Lockey produce non-standard items?** Yes, we do. Please send your specifications or drawings to our sales representative, and we will provide a quotation promptly. **Does Lockey have a published price list?** No, we do not. Market conditions fluctuate, making it difficult to maintain a fixed pricing structure. Our sales team is flexible when providing quotes, so you will always receive 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, our sales team strives to offer the best price available. While you may get a small discount, we believe it’s worth exploring for better deals. **Does Lockey provide samples?** Yes, we do. 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 our 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 shipping fees.

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