Stainless Steel A2 Heavy Hex Nut Passivated
1. Description: Stainless Steel A2 Heavy Hex Nut with a passivated surface
2. Material: Stainless Steel A2
3. Surface Treatment: Passivated
4. Size Range: M6 (1/4") to M24 (1")
5. Mechanical Properties: A2-70
6. Packing Options: Bulk, box packing, or customized according to customer requirements
Lockey Industrial Co., Ltd. is a leading manufacturer and exporter of fasteners, including but not limited to:
- Hex Nuts: DIN934, ISO 4032, DIN555, DIN6915, ISO4035, ANSI B18.2.2
- Square Nuts: DIN562, DIN557, ANSI B18.2.2
- Hex Flange Nuts: DIN6923, ISO 4161, ANSI B18.2.2
- Nylon Nuts: DIN985, DIN982, ANSI B18.16.6
- Special Nuts: Hex Coupling Nut, Channel Nut, Sliding Nut
We also produce a wide range of other fasteners such as bolts, screws, washers, and structural components. Our products are widely used in the automotive, construction, and industrial sectors. We supply parts for major brands like Toyota and Honda. Over 70% of our products are exported globally.
Technical Delivery Conditions
| Material | Steel | Stainless Steel | Non-ferrous Metal |
|----------|-------|------------------|--------------------|
| General Requirements | As specified in DIN 267 part 1 | - | - |
| Thread Tolerance | 6H | - | - |
| Thread Standard | DIN13 Part 12 & 15 | - | - |
| Property Class | M2.5: 6; M3-M39: 6, 8, 10 | A2-70, A4-70 | Subject to agreement |
| Mechanical Properties Standard | ISO 267 Part 4 | DIN267 Part 11 | DIN267 Part 18 |
| 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 | - | - |
| Surface Finish | As processed, Bright | Bright | Bright |
| Surface Roughness | DIN267 Part 2 | - | - |
| Surface Discontinuities | DIN267 Part 20 | - | - |
| Widening Test | DIN267 Part 21 | - | - |
| Electroplating | DIN267 Part 9 | - | - |
| Hot Dip Galvanizing | DIN267 Part 10 | - | - |
| Acceptance Inspection | DIN267 Part 5 | - | - |
Q&A
**Who is Lockey?**
Lockey Industrial Co., Ltd. was founded in 1973 under the Dragon Iron Group. The company specializes in manufacturing and exporting fasteners, hardware parts, forging, and machined components for the automotive and industrial sectors. With its headquarters in A Lien, Taiwan, and a foreign sales office in Dongguan, China, Lockey has built a strong global presence.
**What does Lockey do?**
As a fastener manufacturer, we produce a wide range of products, including:
- Bolts, studs, and threaded rods
- Hex nuts, nylon nuts, and flange locknuts
- Screws (tapping, drilling, wood, machine, socket cap)
- Washers (plain, spring, tooth)
- Structural fasteners (ASTM A325/A490, DIN6914/5/6, etc.)
We also manufacture custom parts for automotive and industrial applications.
**Why choose Lockey?**
Innovation is at the core of our business. With over 40 years of experience and an ISO 9001 certification, we focus on quality, reliability, and customer satisfaction. Our team of skilled professionals ensures that every product meets the highest standards. We don’t just sell products—we build long-term partnerships.
**How does Lockey ensure quality?**
Our quality assurance system is based on ISO 9001 and decades of industry experience. 80% of our staff are skilled workers with over five years of experience. All employees undergo regular training to maintain high-quality production and problem-solving capabilities.
**Do you produce non-standard items?**
Yes, we can customize products based on your specifications. Just send us your drawings, and we’ll provide a quotation.
**Do you have a published price list?**
No, we don’t have a fixed price list due to market fluctuations. Our sales team offers flexible pricing tailored to your needs.
**Do you offer discounts?**
Yes, we offer discounts for large orders. However, we believe our sales team provides the best possible price for each order.
**Do you provide samples?**
Yes, stored samples are free of charge. However, we do not cover the cost of express shipping.
**What is the delivery time?**
Standard orders take 20–40 days, while non-standard items may take 35–60 days. Please consult with our sales representative for an accurate timeline.
**What is the payment term?**
Preferred payment terms are T/T and L/C. Western Union is also accepted for low-value payments, such as sample shipping fees.
At Lockey, we value transparency, quality, and long-term relationships. Contact us today to learn more about our products and services.
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