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, and others.

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 (25kg max.) + wood pallet or as per customer’s special request.
Application: Structural Steel, Metal Building, Oil & Gas, Tower & Pole, Wind Energy, Mechanical Machine, Automobile, Home Decoration, etc.
Test Equipment: 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 treatment. If it is a special or non-standard product, please provide drawings, 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 custom orders and can also produce non-standard fasteners based on your drawings.
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 many cold-heading machines, nut machines, and hot-heading machines. Our company holds ISO9001 and TS16949 certificates and can manufacture fasteners according to GB, DIN, ANSI, JIS, ISO, and customer requirements at competitive prices.

4. Workshop Show
From raw materials to final product delivery, we have a strict control program covering wiring, roughing, annealing, pickling, drawing, heading, rolling, heat treatment, surface treatment, packaging, and more.
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 good quality and well-designed products to meet customer needs. As a leader in this field, we ensure our customers receive top-notch products and services.

(2) Better Quality with Lower Price

We offer competitive pricing without compromising on quality, helping our clients save money while receiving excellent products.

(3) Never Stop Developing New Products

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

(4) Manufacturing & Export Experts

With over 14 years of manufacturing and export experience, we deliver products worldwide via truck, rail, and sea containers. Our stable quality control ensures consistent performance across all markets.
 

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

A: We are a specialized supplier of fasteners, offering the best prices in the market.

Q2: How many years have you been involved in foreign trade?

A: We have over 14 years of experience exporting products to countries around the world and guarantee high-quality fasteners.

Q3: Do you have sufficient production capacity?

A: We maintain ample inventory in our warehouses with strong financial backing. We offer 24/7 service to meet your needs.

Q4: How do you ensure the quality of each process?

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

Q5: How do you ensure safe long-distance transportation?

A: Our professional packing team ensures that every package is securely prepared for safe delivery.

Q6: Can you provide samples?

A: Yes, we can provide samples upon your request.

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