Hex Washer Head Self-Drilling Screw with NEO/Rubber/Nylon Washer 1. Description: Hex Washer Head Self-Drilling Screw with NEO, Rubber, or Nylon Washer 2. Material: Stainless Steel, Carbon Steel, Alloy Steel, Brass, etc. 3. Surface Finish: Passivated, Zinc, HDG, Magni, Geomet, and more 4. Size: 2.5mm (#6) up to 6.3mm (#14) 5. Length: Up to 150mm (6 inches) 6. Head Style: Hex Washer Head 7. Drive Type: Not specified 8. Packing: Bulk packing, box packing, or as per customer’s request Lockey Industrial produces a wide range of screws, including Self-Drilling Screws, Self-Tapping Screws (Sheet Metal Screws), Drywall Screws, Chipboard Screws, Roof Screws, Machine Screws, Wood Screws, Plastic Screws, and more. If you are interested in our products, please don’t hesitate to contact us. We will provide the best price as soon as we receive your inquiry.
Technical Delivery Conditions
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 geometrical tolerance Product grade A as specified in ISO 4759 part 1
ISO 4759 Part 1
Surface finish As processed Bright
DIN267 Part 2 shall apply regarding surface roughness
DIN267 Part 19 shall apply regarding permissible surface discontinuities
DIN267 Part 9 shall apply regarding electroplating
Other types of surface protection subject to agreement
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 automotive and other industries. The group has its headquarters in A Lien, Taiwan. Lockey Industrial Co., Ltd. was set up in 2003 in Dongguan City to serve as the foreign sales department of the group. Our plant is located in Jingjiang City, allowing us to easily export our products.

What does Lockey do?
As a fastener manufacturer, we produce a wide range of products, including but not limited to:
1. Bolts, studs, and threaded 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 such as ASTM A325/A490, ASTM F1852/F2280, DIN 6914/5/6, DIN 7990, etc.
We also produce special fasteners, hardware parts, and forged or machined parts for the automotive industry, including parts for Toyota and Honda. 70% of our products are exported worldwide.

Why choose Lockey?
Lockey never stops innovating. Innovation is the driving force behind our development. Through both technological and conceptual innovation, we continue to grow and improve. We have a team of professionals skilled in management and collaboration. By working with them, you can expect excellent results. We are not just a supplier—we are a partner. We don't only sell; we share. We share the latest information on fasteners, price trends, and even profit. We are friends, not just business partners. We care about your sales, your success, and 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 certification, we address any challenges that come our way. Lockey has implemented a quality assurance system based on ISO 9001, using our extensive experience. We have developed strict criteria to ensure product quality. 80% of our staff are skilled workers who have been with us for over five years. They undergo regular training to prevent and resolve issues effectively.

Does Lockey produce non-standard items?
Yes, we do. Send your specifications and drawings to our sales representative, and we will provide a quotation.

Do you have a published price list?
No, we do not. Market conditions change frequently, making it difficult to maintain a standard pricing list. Our sales team is flexible and can offer competitive pricing tailored to your needs.

Do you offer discounts?
Of course. We can offer discounts based on large order quantities. However, we believe our sales representatives already provide the best possible price. While you may get a small discount, it's not always significant. Feel free to explore further.

Do you provide samples?
Yes, we do. Stored samples are free of charge. However, we do not have a budget for express shipping.

What is the delivery time?
It depends on the quantity of your order. Standard orders take approximately 20–40 days, while non-standard ones may take 35–60 days. Please consult with your sales representative for an accurate shipment date.

What are the payment terms?
T/T and L/C are preferred. Western Union is also acceptable for low-value payments, such as sample shipping fees.

Luxury Strength Equipment

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