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Lewei Hardware is a company with 20 years of experience in producing non standard hardware parts and standard fasteners.

Lewei Hardware Machining Parts Factory JIS Machining Parts Factoryfactory 1
Lewei Hardware Machining Parts Factory JIS Machining Parts Factoryfactory 2
Lewei Hardware Machining Parts Factory JIS Machining Parts Factoryfactory 3
Lewei Hardware Machining Parts Factory JIS Machining Parts Factoryfactory 4
Lewei Hardware Machining Parts Factory JIS Machining Parts Factoryfactory 5
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Lewei Hardware Machining Parts Factory JIS Machining Parts Factoryfactory 7
Lewei Hardware Machining Parts Factory JIS Machining Parts Factoryfactory 1
Lewei Hardware Machining Parts Factory JIS Machining Parts Factoryfactory 2
Lewei Hardware Machining Parts Factory JIS Machining Parts Factoryfactory 3
Lewei Hardware Machining Parts Factory JIS Machining Parts Factoryfactory 4
Lewei Hardware Machining Parts Factory JIS Machining Parts Factoryfactory 5
Lewei Hardware Machining Parts Factory JIS Machining Parts Factoryfactory 6
Lewei Hardware Machining Parts Factory JIS Machining Parts Factoryfactory 7

Lewei Hardware Machining Parts Factory JIS Machining Parts Factoryfactory

Material:
Carbon Steel
Inquiry
Send your inquiry
Package Size
24.00cm * 23.00cm * 17.00cm
HS Code
731815090
Finish
Hot Galvanizing
Standard
DIN, ANSI, GB, JIS, BSW

Product details of the machining parts factory


Product Specification

HS Code: 731815090

Package Size: 24.00cm * 23.00cm * 17.00cm

Standard: DIN, ANSI, GB, JIS, BSW

Finish: Hot Galvanizing


Product Introduction

Lewei Hardware machining parts factory features scientific structure and aesthetic appearance. It is well-designed by our dedicated designers who are equipped with innovative design ideas. Our dedicated and professional team guarantees the product to be of high quality and stable performance. Lewei Hardware always does the utmost to providing the best quality machining parts factory and thoughtful service.

Premium Quality Carriage Bolts 

Our HDG Grade 5, Grade 8 Carriage Bolts feature a square neck bolt and round head bolt design, allowing for secure fastening in machinery, chemical industry, building and more. With a variety of finishes including zinc plated, black oxide, nickel, chrome, and hot-dipped galvanized, these bolts are available in sizes ranging from 1/2"-1 1/2", and made from high-quality materials such as carbon steel, alloy steel, stainless steel, and brass. Get all your fastening needs met in one place with our one-stop shopping, high-quality, and competitively priced bolts for timely delivery and reliable performance.

● HDG Grade 5 Carriage Bolts

● Grade 8 Carriage Bolts

● Square Neck Bolts

● Round Head Bolts

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High Tensile Strength and Durability

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Lewei Hardware Machining Parts Factory JIS Machining Parts Factoryfactory 13
product advantages 1
Our HDG Grade 5 and Grade 8 Carriage Bolts feature a square neck and round head design, ensuring a secure and reliable fastening solution for your projects.
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product advantages 2
With hot-dip galvanized coating, these bolts offer enhanced corrosion resistance, making them ideal for outdoor and marine applications.
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product advantages 3
The high-quality construction of these bolts guarantees strength and durability, providing peace of mind for all your heavy-duty fastening needs.
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Superior Strength, Secure Fastening

Manufactured in compliance with ASME/ANSI B 18.5, DIN603, DIN608 standards, our HDG Grade 5, Grade 8 Carriage Bolts come in sizes ranging from 1/2"-1 1/2", M12-M36 and are available in carbon steel, alloy steel, stainless steel, and brass materials. With thread options including UNC and UNF, and finish options such as plain, zinc plated, black oxide, nickel, and chrome, our carriage bolts are perfect for use in machinery, chemical industry, and other applications. Rest assured of high quality, competitive prices, and timely delivery with our over 10 years of experience in the fasteners industry. With a supply ability of 1000 tons per month, we are dedicated to meeting your needs.

◎ Durable

◎ Strong

◎ Versatile

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Material Introduction

Our HDG Grade 5 and Grade 8 Carriage Bolts are manufactured using high-quality carbon steel, alloy steel, stainless steel, or brass. These durable materials ensure the bolts are suitable for use in machinery, chemical industry, environmental applications, building, and highway guardrail hardware. The HDG Grade 5 and Grade 8 Carriage Bolts come in a variety of finishes such as plain, zinc-plated (clear/blue/yellow/black), black oxide, nickel, and chrome, making them versatile for different applications. With the use of top-of-the-line equipment and strict quality control measures, we guarantee high-quality, durable bolts for various industrial and construction needs.

◎ Grade 5 Carriage Bolts 

◎ Grade 8 Carriage Bolts

◎ HDG Square Neck Bolt

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Application Scenario

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Solar Energy
Custom non-standard big round head bolts can be used to secure components in industrial machinery, providing a reliable fastening solution for heavy-duty applications.
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Oil & Gas
These bolts are ideal for use in home appliances such as refrigerators, washers, and dryers, ensuring a secure and safe fastening solution for critical components.
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Railroads
Manufacturers of HVAC systems can use these custom bolts to secure electrical components and ensure the safety and reliability of their products.
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Tower & Pole
These custom non-standard big round head bolts are ideal for use in automotive electronics, providing a secure fastening solution for critical components in vehicles.
建筑
Metal Buliding
木箱
Wooden box pallet
室内
Home Decorating & Furniture
机械
Tractor Parts & farmm

FAQ

1
What are HDG Grade 5, Grade 8 Carriage Bolts?
HDG Grade 5, Grade 8 Carriage Bolts are heavy-duty bolts with a square neck under the head to prevent turning during installation. They are available in both square neck and round head designs.
2
What are the differences between Grade 5 and Grade 8 Carriage Bolts?
Grade 5 carriage bolts are made of medium carbon steel and are commonly used in construction and machinery. Grade 8 carriage bolts are made of alloy steel and are heat-treated for extra strength, making them suitable for heavy-duty applications such as in automotive and aerospace industries.
3
What are some common applications for HDG Grade 5, Grade 8 Carriage Bolts?
These bolts are commonly used in wood-to-wood and wood-to-metal construction, as well as in the assembly of heavy machinery and equipment.
4
Can these carriage bolts be used outdoors?
Yes, the hot-dip galvanized (HDG) coating on these bolts provides corrosion resistance, making them suitable for outdoor and marine applications.
5
Are these bolts easy to install?
Yes, the square neck design of carriage bolts prevents them from turning during installation, making them easier and more secure to install compared to regular bolts.
6
Can these bolts be used for structural applications?
Yes, Grade 5 and Grade 8 carriage bolts are suitable for structural applications where a strong and reliable fastener is required. However, it is important to ensure that the appropriate grade and size are selected for the specific structural requirements.


Company Feature

• There are multi main traffic lines passing through our company's location and the developed traffic network makes for the supplies distribution.
• In recent years, Lewei Hardware has continuously optimized the export environment and has striven to expanded export channels. Besides, we have actively opened up the foreign market to change the simplex situation of the sales market. All these contribute to the increment of market share in the international market.
• Lewei Hardware sets up service outlets in key areas, so as to make a rapid response to customers' requirement.
• Lewei Hardware was founded in As an enterprise with strong economic power, we have been insisting on keeping pace with the times and constantly pursuing excellence during years.
Hello, we are very glad to be at your service. If you have any questions about CNC Machining Parts,Bolts,Nuts,Screws,Locating Pin,Stamping parts, feel free to consult Lewei Hardware at any time.

Contact us
we welcome custom designs and ideas and is able to cater to the specific requirements. for more information, please visit the website or contact us directly with questions or inquiries.
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General Manager: Vivi Gao 
Tel: 0086-18966356433
       0086-18969177261
Website: www.lewei-hardware.com
Address: Building 29, No.4567 Hangzhouwan Avenue, Xitangqiao Street, Haiyan County, Zhejiang Province, China
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