Basic Info.
Material
High Strength Steel
Application
Machinery, Chemical Industry, Building
Thread Standard
Metric Thread
Transport Package
Boxes, Hit The Pallets, Then Ocean Freight. or Cus
Product Description
Product Introduction Table
Item | Description |
---|
Product Name | 8.8 High-Strength Black External Hex Bolt |
Standard | GB5783 |
Material | 20, 35, 45 steel, or 40Cr alloy structural steel that meets GB/T 699 standards |
Strength Grade | 8.8 |
Surface Treatment | Black Oxide Finish (Blackening Treatment) |
Thread Standard | Complies with GB5783 standard |
Diameter Range | M6~M30 |
Length Range | 10mm - 300mm |
Features | 1. High strength, tensile strength ≥800MPa, yield strength ≥640MPa |
| 2. Black oxide finish for improved corrosion and wear resistance |
| 3. Precision-controlled dimensions ensure proper bolt-nut fit |
| 4. Widely used for fastening connections in various mechanical equipment and structures |
Application Scenarios | Suitable for industrial machinery, automotive manufacturing, construction engineering, bridge construction, wind power equipment, shipbuilding, and more |
Certification Standards | Complies with relevant international and domestic quality certification standards |
Packaging | Packed in cartons or wooden cases for safe transportation |
Shelf Life | Typically up to 12 months, depending on storage conditions |
Precautions | 1. Please inspect the bolt for damage before installation |
| 2. Ensure proper bolt-nut pairing to avoid thread mismatch |
| 3. Avoid overloading to prevent bolt damage |
| 4. Store in a dry, ventilated environment to prevent rusting |
Introducing our 8.8 High-Strength Black External Hex Bolt, a robust and reliable fastening solution for a wide range of applications. Manufactured from high-quality alloy steel, these bolts meet the GB5783 standard, ensuring durability and safety.
The black oxide finish not only gives the bolts an appealing look but also provides excellent corrosion and wear resistance, ensuring long-lasting performance even in harsh environments. With a diameter range of M6 to M30 and lengths from 10mm to 300mm, we offer a wide selection to suit your specific needs.
The precision-controlled dimensions of our bolts ensure a perfect fit with the corresponding nuts, eliminating the risk of thread mismatch. Whether you're working on industrial machinery, automotive components, or construction projects, our 8.8 High-Strength Black External Hex Bolts are an ideal choice for ensuring secure and reliable fastening.
Backed by our commitment to quality and reliability, these bolts are sure to meet your expectations. Order now and experience the difference!
Address:
No. 231, 1st Floor, B11 District, Red Sun Industrial Raw Material City, No. 12 Longzang Avenue, Yuhuatai District, Nanjing, Jiangsu, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Auto, Motorcycle Parts & Accessories, Construction & Decoration, Electrical & Electronics, Industrial Equipment & Components, Instruments & Meters, Manufacturing & Processing Machinery, Metallurgy, Mineral & Energy, Office Supplies, Security & Protection, Tools & Hardware
Management System Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000, QC 080000, GMP, ISO 22000, ASME, ISO 29001, ISO 50001, ISO 10012
Company Introduction:
Nanjing Yuhang Standard Parts Co.
I. Company Profile
Since its establishment, Nanjing Yuhang Standard Parts Co., Ltd. Has always been adhering to the "quality-oriented, customer first" business philosophy, is committed to the standard parts industry, research and development, production and sales. With advanced production technology, strict quality management and perfect after-sales service system, the company has established a good reputation in the industry and won the trust and support of our customers.
Second, products and technology
Ltd. has a wide range of product lines covering bolts, nuts, washers, rivets and other types of standard parts. The company constantly introduces advanced production equipment and technology from home and abroad, and improves product performance and quality through technological innovation and process optimization. At the same time, the company also has a professional R & D team, can be customized according to customer demand for the development of special specifications and standard parts, to meet the diversified needs of the market.
Third, quality and quality
Ltd. Attaches great importance to product quality, from raw material procurement to production process control, and then to the finished product inspection, each link is strictly controlled. The company has passed ISO9001 quality management system certification and established a perfect quality traceability system to ensure that each product meets the national standards and customer requirements. In addition, the company also actively participates in industry exchanges and cooperation, and constantly improves product quality and competitiveness.
Market and Service
The products of Yuhua Standard Parts Co., Ltd. Sell well all over the country and are exported to many countries and regions. The company has established a perfect sales network and after-sales service system to provide customers with timely, efficient and professional services. The company adheres to the service concept of "customer-centered", constantly optimizes the service process and improves customer satisfaction. At the same time, the company also actively carries out market research and customer demand analysis, to provide customers with more accurate and personalized products and services.
V. Corporate Culture and Social Responsibility
Ltd. Focuses on the construction of corporate culture and social responsibility. The company advocates the enterprise spirit of "integrity, innovation, cooperation and win-win", and creates a positive and harmonious working atmosphere. At the same time, the company is also actively involved in social welfare and environmental protection activities, to make positive contributions to society.
Sixth, look to the future
Ltd. Will continue to adhere to the "quality-oriented, customer first" business philosophy, and constantly increase scientific and technological innovation and product development efforts to improve product quality and competitiveness. At the same time, the company will also actively expand domestic and international markets, strengthen exchanges and cooperation with partners inside and outside the industry, and jointly promote the healthy development of the standard parts industry. Ltd. Will continue to pursue excellence and transcend itself on the road of future development, and contribute more power to realize sustainable development and social prosperity.