Cold heading Service

Brass Bolt Manufacturer In China

Ningbo Teng Qi Fasteners Co., Ltd is a leading brass bolt manufacturer in China. A brass bolt is a type of fastener made from brass, a metal alloy primarily composed of copper and zinc. Brass bolts are used to securely join or fasten objects together. They come in various sizes and shapes, often with threads to allow for tightening with a nut or into a threaded hole. Brass bolts are known for their corrosion resistance and attractive gold-like appearance, which makes them suitable for a wide range of applications, including in plumbing, electrical work, and decorative fixtures.

brass bolt

Specification of Brass Bolt:

Product nameBrass Bolt
Type of boltsHex Bolts/Carriage Bolts/Machine Bolts/Flange bolts/Eye Bolts/U-Bolts/Socket Head Cap Bolts
DiameterMetric: M0.8-M100
Imperial:0#" to 4"
LengthUp to 800mm
GradeA2-50/A2-70 A4-70 A4-80
Manufacturing Processwire drawing, thread rolling, heat treatment, surface treatment
Application IndustryPiping Systems/Pressure Vessels/Pressure Vessels/Oil and Gas Industry/Power Generation/Chemical Processing

FAQ about Brass Bolt:

1.What are the advantages of using brass bolts?

Brass bolts are known for their corrosion resistance, attractive appearance, and versatility. They are commonly used in applications where both function and aesthetics are important.

2.Where are brass bolts commonly used?

Brass bolts are used in various applications, including plumbing, electrical work, automotive, marine, and decorative fixtures. They are chosen for their resistance to corrosion and their ability to blend well in certain environments.

3.Can brass bolts be used outdoors?

Yes, brass bolts are suitable for outdoor use. Their corrosion resistance makes them a good choice for outdoor fixtures and applications. However, exposure to harsh weather conditions may lead to tarnishing over time.

4.How are brass bolt blanks formed?

Brass bolt blanks can be formed through various methods, including hot forging, cold heading, or machining. These processes shape the raw material into the initial bolt shape.

Manufacturing Quality Control:

Control MethodDetail
Material Inspection:Verify the material's composition, heat treatment, and quality upon receipt. Conduct metallurgical analysis to ensure the material properties meet the standards.
Process Control:Implement strict process control measures for heat treatment, machining, threading, and any other manufacturing steps. Maintain consistent process parameters to ensure uniform quality.
Inspection Points:Introduce inspection points at various stages of manufacturing to check for defects, dimensions, and quality. Inspect threading, dimensions, surface finish, and other critical parameters.
Sampling and Testing:Regularly sample products for testing, such as tensile testing, hardness testing, and metallurgical analysis, to ensure they meet the required specifications.
Thread Inspection:Thoroughly inspect threading using proper thread gauges to ensure accurate dimensions and fit with mating components.
Traceability:Implement a traceability system to track each fasteners journey from raw material to final product. This aids in accountability and recalls if necessary.