F1852 Twist off Type Tension Control Structural Bolt/Nut/Washer Assemblies, 120/105ksi Minimum Tensile Strength
**Product Details**
We mainly produce and export Construction Hex Bolts, Structural Bolts, and Building Bolts according to IFI standards (A449, A490, A235, F1852, F2280), DIN (DIN6914/6915/7990), ISO standards, and custom designs based on client drawings.
**Q&A**
**Who is Lockey?**
Lockey is a fastener manufacturer established in 1973. It is part of the Dragon Iron Group, which specializes in manufacturing and selling fasteners, hardware parts, forging, and machine parts for the automotive and other industries. The company has its headquarters in Taiwan and operates through multiple branches globally.
**What do Lockey produce?**
Lockey produces a wide range of fasteners including bolts, studs, thread rods, hex nuts, nylon nuts, flange locknuts, tapping screws, drilling screws, wood screws, machine screws, socket cap screws, washers, and more. They also offer structural fasteners such as ASTM A325/A490, ASTM F1852/F2280, DIN6914/5/6, DIN7990, and custom solutions based on client specifications.
**Why choose Lockey?**
Lockey is committed to innovation and quality. With over 40 years of experience and an ISO 9001 certification, they ensure high-quality products and reliable service. Their team of skilled professionals focuses on customer satisfaction, offering partnerships rather than just transactions.
**How does Lockey ensure quality?**
Lockey follows strict quality control procedures aligned with ISO 9001 standards. Over 80% of their workforce is skilled and experienced, and all employees undergo regular training to maintain high performance and prevent issues.
**Do they produce non-standard items?**
Yes, Lockey can manufacture custom parts based on client drawings. Just send your specifications to our sales representative, and we will provide a quotation.
**Do they have a published price list?**
No, because market conditions change frequently. Lockey’s sales team offers flexible pricing tailored to each order.
**Do they offer discounts?**
Yes, for large orders. However, their sales representatives aim to provide the best possible price without excessive discounts.
**Do they provide samples?**
Yes, stored samples are free. However, they do not cover express shipping costs.
**What is the delivery time?**
It depends on the order quantity. Standard items take about 20–40 days, while non-standard items may take 35–60 days.
**What are the payment terms?**
Preferred payment methods are T/T and L/C. Western Union is also accepted for small payments like sample shipping fees.
We look forward to working with you and providing reliable, high-quality fasteners that meet your needs.
Model NO.: LKPI
Application: Structural Applications
Finish: Plain, Zinc, HDG, etc.
Sample: Free (If Available in Stock)
Market: Global
Optional Material: Stainless Steel, Carbon Steel, Alloy Steel, Brass
Optional Properties: A2/4-50/70/80, Class 6.8/8.8/10.9, Grade 2/5/8
Optional Finish: Zinc, HDG, Magni, Geomet, Dacromet, Passivate
Optional Size: M12 to M36, or 1/2" to 1-1/2"
Trademark: LK
Transport Package: Bulk Packing, Small Box Packing
Specification: DIN, ANSI, ISO, and Non-Standard
Origin: China
HS Code: 7318
**F1852 Twist Off Type Tension Control Structural Bolt/Nut/Washer Assemblies, Steel, Heat Treated, 120/105 KSI Minimum Tensile Strength**
1. **Description**: F1852 Twist Off Type Tension Control Structural Bolt/Nut/Washer Assemblies made from steel, heat-treated with a minimum tensile strength of 120/105 KSI. These assemblies are designed for structural applications where precise torque control is essential.
2. **Material**: High-quality steel, suitable for heavy-duty use in construction and industrial settings.
3. **Surface Finish**: Available in plain, hot-dipped galvanized (HDG), zinc-plated, and RoHS-compliant finishes.
4. **Size**: Ranges from 1/2" to 2-1/2" in diameter, suitable for a wide range of structural projects.
5. **Length**: Up to 500mm, offering flexibility for various application needs.



Description | Construction Hex Bolt Structure Hex Bolt Building Bolt |
Material | Steel |
Surface | HDG, Zinc Plated, RoHS Compliant |
Size | M12 (1/2") up to M64 (2-1/2") |
Length | Up to 500mm |
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