High Strength Round Head U Bolt
1. Product Parameters
Standard: |
ASME B 18.2.1, IFI149, DIN931, DIN933, DIN558, DIN960, DIN961, ISO4014, and more. |
Size: |
Standard and non-standard sizes available; customization supported. |
Material: |
Carbon Steel, Alloy Steel, Stainless Steel, Brass, and others. |
Grade: |
SAE J429 Gr. 2, 5, 8; ASTM A307 Gr. A, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9, and more. |
Thread: |
UNC, UNF |
Finish: |
Plain, Zinc Plated (Clear/Blue/Yellow/Black), Black Oxide, Nickel, Chrome, HDG, and others. |
Packing: |
Bulk in cartons (max 25kg) + wooden pallet, or customized as per customer needs. |
Application: |
Structural Steel, Metal Buildings, Oil & Gas, Tower & Pole, Wind Energy, Mechanical Machines, Automotive, Home Decoration, and more. |
Testing Equipment: |
Desktop spectrometer, cutting machine, pre-milling machine, polishing machine, Vickers hardness tester, metallography microscope, electrolytic thickness gauge, tensile testing machine, salt spray chamber, magnetic particle flaw detector, caliper, Go/No-go gauge, and more. |
Supply Capacity: |
2000 tons per month. |
Minimum Order: |
No restrictions. |
Trade Terms: |
FOB, CIF, CFR, CNF, EXW, DDU, DDP. |
Payment Methods: |
T/T, L/C, D/A, D/P, Western Union, MoneyGram, etc. |
Market: |
South/North America, Europe, East/Southeast Asia, Australia, Africa, and more. |
Our Advantages: |
One-stop shopping; high quality; competitive pricing; timely delivery; technical support; material and test reports provided. |
Notice: |
Please provide size, quantity, material, grade, surface finish. For special or non-standard products, please send drawings, photos, or samples. |
2. Company Information
Shanghai Jinrui Norm Parts Supplies Co., Ltd. is a professional manufacturer of fasteners and standard parts. The company owns two factories: Shanghai Xingrui Bolt Factory and Shanghai Xingrui Wire Steel Factory. We are equipped with numerous cold heading machines, nut machines, and hot heading machines.
We hold ISO 9001 and TS 16949 certifications, and we can produce fasteners according to GB, DIN, ANSI, JIS, ISO, and customer specifications at competitive prices.

3. Production Process
From raw materials to final product delivery, we maintain strict quality control throughout the entire process. This includes wire drawing, roughing, annealing, pickling, heading, rolling, heat treatment, surface treatment, and packaging.

4. Why Choose Shanghai Jinrui?
(1) Create Value for Our Valuable Customers
We always deliver high-quality and well-designed products that meet customer needs. As a leader in the industry, we consistently provide top-tier products and services.
(2) Better Quality at Lower Prices
We offer competitive pricing without compromising on quality, helping our clients save costs effectively.
(3) Continuous Innovation
Every year, we develop new products to adapt to market demands and stay ahead of the competition.
(4) Manufacturing and Export Experts
With over 14 years of experience in manufacturing and exporting, we ensure reliable delivery through various methods such as truck, rail, and sea containers.
5. FAQ
Q1: Are you a factory or trading company?
A: We are a specialized fastener supplier offering the best price.
Q2: How many years have you been in foreign trade?
A: Over 14 years of experience exporting to countries worldwide.
Q3: Do you have sufficient output?
A: We have ample stock and capital, with 24-hour service available.
Q4: How do you ensure quality at each stage?
A: Every process is inspected by our quality control department to guarantee product quality.

Q5: How do you ensure safe long-distance transportation?
A: Professional packing teams ensure all packages are safely handled.

Q6: Can you provide samples?
A: Yes, samples can be provided based on your requirements.
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Shandong Great Steel Co.,Ltd , https://www.great-steel.com