**Double Flat Head Chipboard Screw**
1. **Description:** Double Flat Head Chipboard Screw
2. **Material:** Steel
3. **Surface Finish:** Zinc Plated
4. **Size Range:** 2.5mm (#6) up to 6.3mm (#14)
5. **Length:** Up to 300mm (12 inches)
6. **Head Style:** Double Flat Head
7. **Drive Type:** Pozi
8. **Packing Options:** Bulk packing, small box packing, or as per customer request






Our product range includes a wide variety of screws such as machine screws, chipboard screws, drywall screws, self-tapping screws, self-drilling screws, concrete screws, furniture screws, plastic screws, deck screws, and wood screws, among others.
If you are interested in our products, please feel free to contact us. We will provide the best price based on your requirements as soon as we receive your inquiry.
### Technical Delivery Conditions
| **Category** | **Details** |
|--------------|-------------|
| **Material** | Steel / Stainless Steel |
| **General Requirements** | As specified in DIN 267 Part 1 |
| **Screw Thread and Thread Ends** | As specified in DIN 7970 |
| **Cross Recesses** | As specified in DIN 7962 |
| **Mechanical Properties and Material** | As specified in DIN 267 Part 12 |
| **Limit Deviations and Geometrical Tolerance** | Product Grade A as per ISO 4759 Part 1 |
| **Surface Finish** | As processed, bright, or as agreed |
| **Acceptance Inspection** | As specified in DIN 267 Part 5 |
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### Frequently Asked Questions
**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 machined components for the automotive and other industries. The company has its headquarters in A Lien, Taiwan, and operates through multiple branches, including Lockey Industrial Co., Ltd. in Dongguan and a manufacturing plant in Jingjiang City.
**What does Lockey produce?**
As a leading fastener manufacturer, Lockey produces a wide range of products including bolts, studs, thread rods, hex nuts, nylon nuts, flange locknuts, tapping screws, drilling screws, wood screws, machine screws, socket cap screws, washers, structural fasteners, and more. We also manufacture special fasteners and parts for the automotive industry, serving major brands like Toyota and Honda.
**Why choose Lockey?**
Lockey focuses on innovation and quality. With over 40 years of experience and an ISO 9001 certification, we ensure consistent quality and reliability. Our team of skilled workers and experienced professionals delivers excellent service and support. We aim to be more than just a supplier — we are your long-term partner.
**How does Lockey ensure quality?**
We maintain a strict quality control system based on ISO 9001 standards. All employees undergo regular training to ensure they follow best practices. Over 80% of our staff have worked with us for more than five years, ensuring stability and expertise in every process.
**Do you produce non-standard items?**
Yes, we can customize fasteners based on your specifications. Send your drawings to our sales representative, and we’ll provide a quotation promptly.
**Do you have a published price list?**
No, we don’t publish a price list because market conditions and costs can fluctuate. Our sales team offers flexible pricing tailored to your needs, ensuring you get the best possible deal.
**Do you offer discounts?**
Yes, we offer discounts for large orders. However, our sales team always strives to provide the most competitive price available at the time of your inquiry.
**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 items typically take 20–40 days, while non-standard items may take 35–60 days. Please consult with our sales representative for an accurate timeline.
**What payment terms do you accept?**
We prefer T/T (Telegraphic Transfer) or L/C (Letter of Credit). For low-value payments, such as sample shipping fees, Western Union is also accepted.
At Lockey, we believe in building strong relationships with our customers. We are committed to providing quality products, reliable service, and long-term partnerships. Let’s work together to find the right solution for your needs.