Factory Price DIN7991 M6 M8 Carbon Steel Countersunk Hexagon Socket Bolts
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Product Highlights
- Customizable Specifications: Sizes M4-M52, lengths 6-320mm, and surface treatments like black oxide or HDG are fully customizable.
- High-Grade Materials: Available in Carbon Steel, Alloy Steel, Stainless Steel, and Brass with grades up to 12.9.
- Strict Quality Control: 100% inspection by QC department before shipment; ISO 9001, OHSAS 18001, and ISO 14001 certified.
- Professional Manufacturer: Factory with 30+ years experience, advanced cold heading and heat treatment equipment.
- Flexible Packaging: Options include bulk in cartons, pallets, or custom packaging according to customer requirements.
- Wide Application Range: Suitable for machinery, chemical industry, environmental protection, and building construction.
- Multiple Standards: Complies with DIN, ANSI, GB, JIS, BSW, GOST, ISO, and ASME standards.
- Free Samples Available: Free standard fastener samples provided; customers only cover express shipping charges.
Product Attributes
- Customization
- Available
- Material
- Carbon Steel
- Type
- Countersunk Head
- Model NO.
- M4-M52
- Connection
- Common Bolt
- Head Style
- Round
- Standard
- DIN, ANSI, GB, JIS, BSW, GOST
- Grade
- 10.9
- Application
- Machinery, Chemical Industry, Environmental, Building
- Finish
- Hot Galvanizing
- Size
- M4-M52
- Length
- 6-320
- Surface Treatment
- Black or Galvanized or HDG
- Package
- Bags or Cartons
- MOQ
- According to Customer
- Transport Package
- 25 Kgs Bag or Carton, Then Pallet
- Specification
- 25kg
- Trademark
- YZ
- Origin
- China
- HS Code
- 7318120090
- Production Capacity
- 800000ton/Year
Product Images of Factory Price DIN7991 M6 M8 Carbon Steel Countersunk Hexagon Socket Bolts
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Product Description
| Name | Hex Countersunk Socket Head Bolt |
| Standard: | DIN, ISO, ASME |
| Diameter: | M4-M52 |
| Length: | 6mm-300mm |
| Grade: | Class 4.8 8.8, 6.8,10.9,12.9, Grade 3.6, 4.6,5.6,9.8 |
| Finish: | Plain, Black oxide, Zinc Plated(Clear/Blue/Yellow/Black), H.D.G, Nickel, Chrome, PTFE, Dacromet, Geomet, Magni, Zinc Nickel, Zinteck. |
| Material: | Carbon Steel, Alloy Steel, Stainless Steel, Brass |
| Packing: | Bulk in master cartons, then on pallets, or according to customers' requirements. |
| Trade Term: | FOB/CIF/CFR/CNF/EXW/DDU/DDP |
| Payment: | T/T, L/C, D/A , D/P ,West union,Paypal.etc |
| Place of Origin | Yongnian, Handan, China |
| Professional: | Over 30 years of fastener industry experience and proficiency in DIN/GB/ASME/ASTM standards. |
| Notice: | Please inform the size, quantity, standard, grade, surface, and if it is a special and non-standard product, please provide us with drawings or photos |
The company has advanced high-speed cold heading machines and a full-automatic mesh belt furnace heat treatment production line, mainly producing grade 4.8, grade 8.8, and grade10.9 bolts and nuts, as well as grade 8.8 and grade10.9 stud bolts and full thread studs. DIN series BS series and ANSI / ASME series bolts, nuts, stud bolts, and full-thread rods can be customized.
Our company has several professional organization product certificates, Our company has passed the ISO 9001:2015 quality management system, OHSAS 18001:2007 occupational health and safety management system, and ISO 14001:2015 environmental management system certification. The company is the self-supporting import and export enterprise of the People's Republic of China. In 2011, Our company was rated as the famous trademark of Hebei Province. In 2018, Our company was rated as the high-quality product of Hebei Province. In 2020, Our company won the national high-tech enterprise certificate. and also be rated as the Provincial "specialized, craft and Innovation" enterprise.
Since the development of the company, we have always adhered to the business philosophy of "integrity-based, customer first", adhered to the enterprise purpose of "creating excellent products and realizing value", we have always adhered to customer needs as the core, and perfect professional services, won the trust and praise of customers at domestic and abroad.
Based on constant innovation, the company controls quality strictly, pays close attention to detail management, improves service level constantly, and realizes the benign development of the company's business. We sincerely welcome domestic and abroad customers to visit our company.


- 1. High-Quality Products: Yanzhao Fastener is committed to providing superior quality fasteners that meet industry standards and regulations, ensuring durability and reliability.
- 2. Customization Options: They offer customization services to tailor fasteners to your specific requirements, including size, material, coating, and packaging.
- 3. Extensive Industry Experience: Yanzhao Fastener has years of experience in the fastener industry, with in-depth knowledge Yanzhao Fastener follows applications and industry requirements.
- 4. Compliance with Standards: Yanzhao Fastener adheres to industry standards and certifications, such as ISO, ASTM, and DIN, ensuring the products meet the required specifications.
- 5. Quick Response Time: The customer support team is dedicated which ensures prompt responses to inquiries, quotes, and order processing, minimizing delays in your procurement process.
- 6. Consistent Product Quality: Yanzhao Fastener maintains strict quality control procedures, ensuring that each batch of fasteners consistently meets the required specifications.
- 7. Proven Track Record: Yanzhao Fastener has a solid reputation in the industry, with a track record of successfully serving numerous clients across different sectors.
- 8. Flexibility in Packaging: Yanzhao Fastener offers flexible packaging options, accommodating your specific requirements for bulk packaging, labeling, and branding.
- 9. Supplier Reliability: Yanzhao Fastener is a trusted and reliable supplier, consistently delivering high-quality products on time, helping you maintain smooth production operations.
- 10. Customer Satisfaction: Yanzhao Fastener focuses on customer satisfaction, striving to exceed expectations by delivering exceptional products, services, and support.
- Q1: Are you a trading company or manufacturer?
A: We are a factory.
Q2: What are your terms of payment?
A: Small order 100% in advance. B: Normally 30% T/T in advance,70% balance after BL copy. C: or we discuss the details.
Q3: How long is your delivery time?
A: Generally it is 20-30 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to order quantity.
The quality of your products?
A: The company has advanced production and testing equipment. Every product will be 100% inspected by our QC department before shipment
Q5:Could you provide free samples?
A: We can provide free samples for standard fasteners, But the clients will pay the Express charges.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASI266664". Items marked "" are certified.
Company Profile
Handan Yanzhao Fastener Manufactory Co., Ltd. is a modern enterprise specializing in R & D and production of high-strength fasteners. Our company is located in the Southwest Industrial Areas, Yongnian District, Handan City, covering 40000 square meters, with more than 100 employees, more than 100 advanced production equipment and we have rich production experience. It is one of the companies that entered the fastener industry earlier in Handan city.
The company has advanced high-speed cold heading machines and full-automatic mesh belt furnace heat treatment production line, mainly producing grade 4.8, grade 8.8 and grade10.9 bolts and nuts, as well as grade 8.8 and grade10.9 stud bolts and full thread studs. DIN series BS series and ANSI / ASME series bolts, nuts, stud bolts and full thread rods can be customized.
Our company has a number of professional organization product certificates, Our company has passed the ISO 9001: 2015 quality management system, OHSAS 18001: 2007 occupational health and safety management system, and ISO 14001: 2015 environmental management system certification. The company is the self-supporting import and export enterprise of the people's Republic of China. In 2011, Our company was rated as the famous trademark of Hebei Province. In 2018, Our company was rated as the high-quality product of Hebei Province. In 2020, Our company won the national high-tech enterprise certificate. And also be rated as the Provincial "specialized, craft and Innovation" enterprise.
Since the development of the company, we have always adhered to the business philosophy of "integrity-based, customer first", adhered to the enterprise purpose of "creating excellent products and realizing value", we have always adhered to customer needs as the core and perfect professional services, won the trust and praise of customers at domestic and abroad.
On the basis of constantly innovation, the company controls the quality strictly, pays close attention to detail management, improves service level constantly, and realizes the benign development of the company's business. We sincerely welcome domestic and abroad customers to visit our company.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Southwest of Road Taibai, Yongnian District, Handan, Hebei, China
-
Plant Area
- 10000 square meters
-
Number of Employees
- 30
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Tianjin Port
-
Minimum Order Quantity
- 1
-
Supply Chain Partners
- 12
Our Production Capability & Technical Expertise
-
Main Products
- Fastener
-
Production Lines
- 2
-
Production Machines
- Drawing Machine, Cold Heading Machine, Heat Treatment Equipment
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- Random inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Finished product checked by packing staff
-
Customization Options
- Customization from Samples, Customization from Designs, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2024-06-27
-
Export Year
- 2 Years
-
Main Markets
- Southeast Asia/ Mideast, Domestic
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 7
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- Are you a trading company or manufacturer?
- We are a factory.
- What are your terms of payment?
- Small order 100% in advance. Normally 30% T/T in advance,70% balance after BL copy. or we discuss the details.
- How long is your delivery time?
- Generally it is 20-30 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to order quantity.
- How is the quality of your products?
- The company has advanced production and testing equipment. Every product will be 100% inspected by our QC department before shipment
- Could you provide free samples?
- We can provide free samples for standard fasteners, But the clients will pay the Express charges.
Send your message to this supplier
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