Jiangxin Time: About American carriage bolts

American carriage bolts

American carriage bolts are widely used in the North American market and related fields due to their standardized size and high-quality materials. Through advanced production processes and strict quality control, the high quality and reliability of products are ensured. Its main application scenarios include construction and woodworking, machinery manufacturing, furniture manufacturing, and automobiles and transportation. Jiangxin Industry further enhances the market competitiveness and customer satisfaction of its products by providing professional technical support and efficient after-sales service.

The difference between American carriage bolts and metric

Size standards

American: American carriage bolts use imperial units (such as inches) and comply with ANSI/ASME B18.5 standards. Its thread specifications are usually in inches, such as 1/4-20, 5/16-18, etc.

Metric: Metric carriage bolts use metric units (such as millimeters) and comply with ISO standards or DIN standards. Its thread specifications are usually in millimeters, such as M6, M8, M10, etc.

Thread Standards

American: The thread angle is 60 degrees.

Metric: The thread angle is also 60 degrees, but the pitch and tooth shape are different.

Market Demand

American: Mainly for the North American market (such as the United States and Canada), some American countries also use American standards.

Metric: Mainly for Europe, Asia and other countries that adopt the metric system, such as China, Germany, Japan, etc.

Main application scenarios of American carriage bolts

Construction and Carpentry

Wood Structure: In wooden structure buildings, US carriage bolts are used to connect wooden beams and columns to ensure the stability of the structure.

Guardrails and Fences: Widely used in the installation of wooden guardrails and fences, the square neck design prevents the bolts from rotating.

Machinery manufacturing

Agricultural machinery: In agricultural machinery and equipment, it is used to connect various components to ensure the stability and durability of the equipment.

Industrial equipment: Used to fix and install components of industrial equipment to ensure the safe operation of the equipment.

Furniture manufacturing

Outdoor furniture: Used in outdoor furniture (such as wooden tables, chairs, and benches). The round head design is not only beautiful but also reduces wear and tear on exposed parts.

Indoor furniture: Used to fix and install wooden furniture parts to increase the stability and durability of furniture.

Automobiles and transportation

Trucks and trailers: Used to connect the carriages of trucks and trailers to ensure the firmness of the carriages.

Railway: Used to connect rails and sleepers in railway construction.

Jianxin American carriage bolts production and quality inspection

Production and quality inspection

Production

Precision machining: high-precision cold heading and heat treatment processes are used to ensure the dimensional accuracy and mechanical properties of the bolts.

High-quality materials: high-strength carbon steel or stainless steel materials are selected to ensure the strength and corrosion resistance of the product.

Quality inspection

Full-process inspection: from the entry of raw materials into the factory to the exit of finished products, full-process quality inspection is carried out, including size inspection, hardness inspection and surface treatment inspection.

International certification: Pass international quality certifications such as ISO and IATF to ensure that products meet international standards.

Hangzhou Jiangxin is a national high-tech enterprise and a Zhejiang science and technology enterprise. It is a professional fastener manufacturer integrating production, research and development, and sales. It has ERP and MES auxiliary production management systems. In terms of product supply and demand, our factory's non-standard customization accounts for a high proportion. At present, the product specifications involved in non-standard customized production and sales have reached more than 10,000.

Business scope: bolts (external hexagonal bolts, internal hexagonal bolts, carriage bolts, flange bolts, etc.), screws (machine screws, drill screws, set screws, 12.9 grade plug screws, hexagonal wood screws, self-tapping screws), nuts (hexagonal nuts, K caps, nylon, stamped metal self-locking nuts, hexagonal flange nuts, cap nuts, rivet nut series, etc.), others (semi-hollow rivets, step rivets and various non-standard fasteners).