**Grade 8 Hex Bolt for Machine**
1. **Description:** Grade 8 Hex Bolt for Machine
2. **Material:** High Strength Steel
3. **Surface:** Plain
4. **Size:** M6 to M36, or 1/4" to 1-1/2"
5. **Length:** Up to 800mm
6. **Mechanical Properties:** Grade 8
7. **Packing:** Bulk packing and box packing
We specialize in producing high-quality bolts such as hex head screws, carriage bolts, square head bolts, and more. Our products meet various standards including DIN, GB, ANSI, ISO, and JIS. We use advanced imported equipment, materials, and matrices to ensure top-notch quality. In addition to standard items, we also produce custom-made fasteners tailored to specific requirements.
If you are interested in our products, feel free to contact us. With over 40 years of experience in the fastener industry, we are committed to delivering the best quality and service.
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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) | 5.6, 8.8, 10.9 | A2-70, A4-70 | Subject to agreement |
| Mechanical Property Standard | ISO 898 Part 1 | DIN267 Part 11 | DIN267 Part 18 |
| Limit Deviations & Geometrical Tolerance | Product grade A or B | - | - |
| Surface Finish | Blackened (for property class 8.8 and above), Bright | Bright | Bright |
| Acceptance Inspection | DIN267 Part 5 | - | - |
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### Q&A
**Who is Lockey?**
Lockey is a fastener manufacturer established in 1973. The Dragon Iron Group focuses on the production and sales of fasteners, hardware parts, forgings, and machine components for automotive and other industries. The company's headquarters are located in A Lien, Taiwan. Lockey Industrial Co., Ltd. was set up in 2003 in Dongguan City as the foreign sales department of the group, with its plant in Jingjiang City, making it easy to export products globally.
**What does Lockey do?**
As a leading fastener manufacturer, we produce a wide range of products, including but not limited to:
- Bolts, studs, and thread rods
- Hex nuts, nylon nuts, flange locknuts
- Tapping screws, drilling screws, wood screws, machine screws, socket cap screws
- Washers (plain, spring, tooth)
- Structural fasteners (ASTM A325/A490, ASTM F1852/2280, DIN6914/5/6, DIN7990)
We also manufacture special fasteners, hardware parts, and machine components for the automotive industry, serving major brands like Toyota and Honda. Approximately 70% of our products are exported worldwide.
**Why choose Lockey?**
Innovation is at the core of our business. We continuously develop new technologies and concepts to stay ahead in the market. Our team of skilled professionals ensures that every product meets the highest standards. We believe in building long-term partnerships rather than just selling products. We share knowledge, trends, and even profits with our clients.
**How does Lockey ensure quality?**
With over 40 years of experience and an ISO 9001 certification, we have a strict quality assurance system in place. 80% of our staff are experienced workers who undergo regular training to maintain high standards. Every process is monitored to prevent issues and ensure consistent quality.
**Do you produce non-standard items?**
Yes, we do. If you have your own specifications, please send them to our sales representative, and we will provide a detailed quotation.
**Do you have a published price list?**
No, we don’t. Market conditions fluctuate, so we prefer to offer flexible pricing based on your needs. Our sales team will work with you to find the best possible price.
**Do you offer discounts?**
Yes, we can offer discounts for large orders. However, we believe our sales representatives always provide the most competitive prices available.
**Do you provide samples?**
Yes, stored samples are free of charge. However, we don’t cover the cost of express shipping.
**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 delivery date.
**What are the payment terms?**
We prefer T/T (Telegraphic Transfer) and L/C (Letter of Credit). Western Union is also accepted for small payments, such as sample shipping fees.
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