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ASTM F1852 Twist off Type Tension Control Structural Bolt/Nut/Washer Assemblies
**Product Specifications:**
- **Model NO.:** LKPW
- **Application:** Structural Applications
- **Finish:** Plain, Zinc Plated, Hot-Dipped Galvanized (HDG)
- **Sample Availability:** Free (if in stock)
- **Market:** Global
- **Trademark:** LK
- **Transport Packaging:** Bulk Packing, Small Box Packing
- **Specification:** DIN, ANSI, ISO, and Non-Standard
- **Origin:** China
- **HS Code:** 7318
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**F1852 Twist Off Type Tension Control Structural Bolt/Nut/Washer Assemblies**
**Material:** Steel, Heat Treated
**Tensile Strength:** Minimum 120/105 KSI
**Description:**
F1852 Twist Off Type Tension Control Structural Bolt/Nut/Washer Assemblies are designed for high-strength structural applications. These fasteners are heat-treated to ensure durability and reliability in demanding environments.
**Material:** High-quality steel, suitable for structural use.
**Surface Finish:** Available in plain, zinc-plated, HDG, and RoHS-compliant options.
**Size Range:** From 1/2" to 2-1/2" in diameter.
**Length:** Up to 800mm.
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**Images:**
[Image 1](http://i.bosscdn.com/uploads/b7/76/50/6362cfac8882352fb322c5ae60.jpg)
[Image 2](http://i.bosscdn.com/uploads/a4/16/9f/8418435b9cf243ef0b4082f8b1.jpg)
[Image 3](http://i.bosscdn.com/uploads/fa/f4/ae/e3d371cb38ad7a045019df8250.jpg)
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**About Our Products:**
We specialize in producing and exporting construction hex bolts, structural bolts, and building bolts according to international standards such as IFI (A449, A490, F1852), DIN (DIN6914/6915/7990), and ISO. We also manufacture custom parts based on client drawings.
**Key Product Details:**
| Description | Construction Hex Bolt / Structural Bolt / Building Bolt |
|---------------------------|--------------------------------------------------------|
| Material | Steel |
| Surface Finish | HDG, Zinc Plated, RoHS Compliant |
| Size | M12 (1/2") up to M64 (2-1/2") |
| Length | Up to 500mm |
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**FAQs About Lockey Fasteners**
**Who is Lockey?**
Lockey is a fastener manufacturer established in 1973. It is part of the Dragon Iron Group, which focuses on manufacturing and selling fasteners, hardware parts, forging, and machine parts for the automotive and other industries. Lockey Industrial Co., Ltd. was set up in 2003 in Dongguan City to serve as the foreign sales department of the group, with production facilities in Jingjiang City.
**What do we produce?**
As a leading fastener manufacturer, we produce a wide range of products including:
- Bolts, studs, and threaded rods
- Hex nuts, nylon nuts, and flange locknuts
- Tapping screws, drilling screws, wood screws, and machine screws
- Washers (plain, spring, tooth)
- Structural fasteners such as ASTM A325/A490, ASTM F1852/F2280, DIN6914/6915/7990, etc.
We also produce custom fasteners, hardware parts, and machine parts for automotive clients like Toyota and Honda. Over 70% of our products are exported globally.
**Why choose Lockey?**
Innovation is at the core of our business. With over 40 years of experience and an ISO 9001 certification, we maintain strict quality control and have a dedicated team of skilled workers. We don’t just sell products—we build long-term partnerships. We share market updates, price trends, and even profit opportunities with our customers. We value relationships and care about both your sales and the performance of our products.
**How do we ensure quality?**
With over 40 years of experience, we have developed a comprehensive quality assurance system aligned with ISO 9001. Our staff includes 80% skilled workers with more than 5 years of experience. All employees undergo regular training to ensure they can prevent and handle any issues effectively.
**Do you make non-standard items?**
Yes, we do. If you have specific drawings or requirements, our sales representatives will provide you with a detailed quotation.
**Do you have a published price list?**
No, we do not publish a price list. Market conditions change frequently, so we prefer to offer flexible pricing tailored to each customer’s needs. Our sales team will always give you the best possible price.
**Do you offer discounts?**
Yes, we offer discounts based on order quantity. However, our sales team is trained to provide competitive pricing from the start, so discounts may not be very large.
**Do you provide samples?**
Yes, stored samples are free of charge. However, we do not cover express shipping costs.
**What is the delivery time?**
For standard items, it takes approximately 20–40 days. For non-standard items, it may take 35–60 days. Please consult with our sales representative for an accurate timeline.
**What payment terms do you accept?**
We primarily accept T/T (Telegraphic Transfer) and L/C (Letter of Credit). Western Union is also acceptable for small payments such as sample shipping fees.