**Product Specifications**
- **Model NO.:** LKUB
- **Grade:** Class 8.8, 10.9, 12.9; Grade 5, 8; A2, A4
- **Market:** Global
- **Sample:** Free (If in Store)
- **Optional Material:** Stainless Steel, Carbon Steel, Alloy Steel, Brass
- **Optional Properties:** A2/4-50/70/80, Class 8.8/10.9, Grade 2/5/8...
- **Optional Finish:** Zinc, HDG, Magni, Geomet, Dacromet, Passivate...
- **Optional Size:** M6 to M24, or 1/4" to 1"
- **Trademark:** LK
- **Transport Package:** Bulk Packing, Small Box Packing
- **Specification:** DIN, ANSI, ISO and Non-Standard
- **Origin:** China
- **HS Code:** 731815
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**Product Description**
Allen Screw, Hex Socket Cap Screw, Hex Socket Countersunk Head Screw
1. **Description:** Allen Screw, Hex Socket Cap Screw, Hex Socket Countersunk Head Screw
2. **Material:** Stainless Steel, Carbon Steel, Alloy Steel, Brass
3. **Surface Treatment:** Zinc, HDG, Magni, Geomet, Dacromet, Passivate...
4. **Size:** M6 to M24, 1/4" to 1"
5. **Length:** Up to 500mm
6. **Mechanical Properties:** A2/4-50/70/80, Class 8.8/10.9, Grade 5/8...
7. **Packing:** Bulk packing and box packing
We professionally produce bolts such as Socket Cap Screw, Hex head screw, carriage bolt, square head bolt, etc. Our products follow standards like DIN, GB, ANSI, ISO, JIS. We use imported equipment, materials, and matrices to ensure high-quality production. In addition to standard items, we also manufacture custom parts for various industries.
Please feel free to contact us if you are interested in our products. With over 40 years of professional experience, we guarantee the best quality and service for all our customers.
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**Technical Delivery Conditions**
| Material | Steel | Stainless steel | Non-ferrous metal |
|------------------|-----------------|---------------------|-------------------|
| General Requirements | As specified in DIN 267 part 1 | - | - |
| Thread Tolerance | 6g | - | - |
| Thread Standard | DIN13 Part 12 & 15 | - | - |
| Mechanical Properties | Property class: 8.8 | A2-70, A4-70, A2-50, A4-50 | CuZn, Copper, Zinc Alloy... |
| Standards | ISO 898 Part 1, DIN267 Part 11, DIN267 Part 18 | - | - |
| Limit Deviations | Product grade: A | - | - |
| Surface Finish | Blackened, Bright | Bright | Bright |
| Acceptance Inspection | DIN267 Part 5 | - | - |
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**Q&A**
**Who is Lockey?**
Lockey Industrial Co., Ltd. is a fastener manufacturer established in 1973. The Dragon Iron Group specializes in the manufacturing and sales of fasteners, hardware parts, forging, and machine parts for automotive and other industries. Based in Taiwan, Lockey was set up in 2003 in Dongguan City as the foreign sales department of the group. Our plant is located in Jingjiang City, which makes exporting easy. For more information, visit [www.lockey-dg.com/eng_001.htm](http://www.lockey-dg.com/eng_001.htm).
**What do Lockey produce?**
As a fastener manufacturer, we mainly produce the following:
1. Bolts, studs, and thread rods
2. Hex nuts, nylon nuts, flange locknuts
3. Tapping screws, drilling screws, wood screws, machine screws, socket cap screws
4. Washers (plain, spring, tooth)
5. Structural applications, ASTM A325/A490, ASTM F1852/F2280, DIN6914/5/6, DIN7990
We also make special fasteners, hardware parts, and machine parts for automotive industries, including parts for Toyota and Honda. 70% of our products are exported.
**Why choose Lockey?**
Innovation is at the core of Lockey's development. With over 40 years of experience and an ISO 9001 certification, we continuously improve our processes and product quality. Our team of skilled workers and professionals ensures that every customer receives top-notch service. We are not just a supplier—we are your partner, sharing knowledge, trends, and profits with you.
**How does Lockey ensure quality?**
With over 40 years of experience and an ISO 9001-certified quality system, we focus on preventing and solving issues. 80% of our staff are skilled and have worked with us for over five years. Regular training sessions help maintain high standards and ensure consistent performance.
**Do you produce non-standard items?**
Yes, we do. Send your specification drawings to our sales representative, and we will provide a quotation.
**Do you have a published price list?**
No, we don't. Market conditions change frequently, so we offer flexible pricing based on your requirements. Our sales team will always give you the best possible price.
**Do you offer discounts?**
Yes, we can offer discounts based on large orders. However, we believe our sales representatives already provide the best price available, so the discount may not be very large.
**Do you provide samples?**
Yes, stored samples are free. However, we do not have a budget for express shipping.
**What is the delivery time?**
It depends on the order quantity. Standard items take about 20–40 days, while non-standard items take 35–60 days. Contact your sales representative for an accurate delivery date.
**What are the payment terms?**
T/T and L/C are preferred. Western Union is also accepted for small payments, such as sample shipping fees.
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