Grade 8.8 Round Head Square Neck Carriage Bolt

Model NO.: Carriage Bolt
Application: Machinery
Finish: Color-Zinc Plated
Size: M8-M20
Certificate: ISO9001:2008, TS16949
Technique: Cold Heading and Hot Heading
Lead Time: 15-30 days
Trademark: JR
Transport Package: 25kg/Carton, 36 cartons/Pallet
Specification: Standard or Customized
Origin: Shanghai
HS Code: 7318159090
Grade 8.8 Round Head Square Neck Carriage Bolt

1. Product Parameters
Standard: ASME B 18.2.1, IFI149, DIN931, DIN933, DIN558, DIN960, DIN961, ISO4014, etc.

Size:

Standard & Non-standard, Support Customized
Material: Carbon Steel, Alloy Steel, Stainless Steel, Brass, etc.
Grade: SAE J429 Gr.2, 5, 8; ASTM A307 Gr.A, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9, etc.
Thread: UNC, UNF
Finish: Plain, Zinc Plated (Clear/Blue/Yellow/Black), Black Oxide, Nickel, Chrome, HDG, etc.
Packing: Bulk in Cartons (Max 25kg) + Wood Pallet or as per Customer's Special Demand
Application: Structural Steel, Metal Building, Oil & Gas, Tower & Pole, Wind Energy, Mechanical Machine, Automobile, Home Decoration, etc.
Test Equipments: Desktop Direct-Reading Spectrometer, Cutting Machine, Automatic Pre-Milling Machine, Polishing Machine, Hard-Testing Gauge (Vickers), Metallography Microscope, Electrolytic Thickness Gauge, Tensile Testing Machine, Salt Spray Device, Magnetic Detection Machine (Magnetic Particle Flaw Detector), Caliper, Go & No-go Gauge, etc.
Supply Ability: 300 tons per month
Minimum Order: Not Limited
Trade Term: FOB / CIF / CFR / CNF / EXW / DDU / DDP
Payment T/T, L/C, D/A, D/P, Western Union, MoneyGram, etc.
Market: South & North America, Europe, East & Southeast Asia, Australia, Africa, etc.
Our Advantage: One-stop Shopping;

High Quality;

Competitive Price;

Timely Delivery;

Technical Support;

Supply Material and Test Reports;

Notice: Please let us know the Size, Quantity, Material or Grade, Surface. If it is a Special or Non-standard Product, please supply the Drawing or Photos or Samples to Us.

2. Product Description
We can manufacture various high-quality fasteners that meet GB, DIN, ANSI, JIS, and ISO standards. We support customization and can also produce non-standard fasteners based on drawings.

We specialize in manufacturing high-quality carriage bolts, ensuring precision and durability for a wide range of industrial applications. Our products are widely used in construction, automotive, and mechanical engineering sectors.


Grade 8.8 Round Head Square Neck Carriage Bolt

3. Company Information
Shanghai Jinrui Norm Parts Supplies Co., Ltd. specializes in producing fastening pieces and other norm parts supplies. The company owns Shanghai Xingrui Bolt Factory and Shanghai Xingrui Wire Steel Factory. We have a wide range of cold-heading machines, nut machines, and hot-heading machines.

Our company has obtained ISO9001 and TS16949 certifications, and we can manufacture fasteners according to GB, DIN, ANSI, JIS, ISO, and customer requirements at favorable prices.


4. Workshop Show
From raw materials to end product delivery, we maintain a strict control program. Accurate completion is done in aspects such as wiring, roughing, annealing, pickling, drawing, heading, rolling, heat treatment, surface treatment, and packaging.
Grade 8.8 Round Head Square Neck Carriage Bolt
5. Testing Equipment Grade 8.8 Round Head Square Neck Carriage Bolt

6.Why Choose Shanghai Jinrui?
 

(1) Create Value for Our Valuable Customers

We always provide high-quality and well-designed products to meet our customers' needs. As a leader in this field, we ensure excellent products and service for our valued clients.

(2) Better Quality with Lower Price

We offer competitive pricing without compromising quality, helping you save costs while maintaining top-tier performance.

(3) Never Stop Developing New Products

Every year, we develop new products to meet evolving market demands and stay ahead of industry trends.

(4) Manufacturing and Export Experts

With a strong foundation and stable quality control, our products are available globally. Over 14 years of manufacturing and exporting experience allows us to deliver goods via truck, rail, and sea containers efficiently.
 

7. FAQ:
Q1: Are you a factory or trading company?

A: We are a specialized fastener supplier, offering the best price and reliable service.

Q2: How many years do you have in foreign trade?

A: We have over 14 years of experience exporting products worldwide, ensuring high-quality fasteners for all markets.

Q3: Do you have enough output capacity?

A: We maintain sufficient inventory in our warehouses and have ample capital. We offer 24-hour services to meet your needs.

Q4: How do you ensure quality throughout the process?

A: Every process is inspected by our quality control department to guarantee the highest standard of product quality.

Q5: How do you ensure the safety of long-distance transportation?

A: Our professional packing teams ensure that all packages are safely secured during transport.

Q6: Can you provide samples?

A: Yes, we can provide samples according to your specific requirements.

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