loading

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

ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts - Carbon Steel, Alloy Steel, UNC/UNF 1
ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts - Carbon Steel, Alloy Steel, UNC/UNF 2
ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts - Carbon Steel, Alloy Steel, UNC/UNF 3
ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts - Carbon Steel, Alloy Steel, UNC/UNF 4
ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts - Carbon Steel, Alloy Steel, UNC/UNF 5
ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts - Carbon Steel, Alloy Steel, UNC/UNF 6
ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts - Carbon Steel, Alloy Steel, UNC/UNF 7
ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts - Carbon Steel, Alloy Steel, UNC/UNF 1
ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts - Carbon Steel, Alloy Steel, UNC/UNF 2
ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts - Carbon Steel, Alloy Steel, UNC/UNF 3
ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts - Carbon Steel, Alloy Steel, UNC/UNF 4
ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts - Carbon Steel, Alloy Steel, UNC/UNF 5
ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts - Carbon Steel, Alloy Steel, UNC/UNF 6
ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts - Carbon Steel, Alloy Steel, UNC/UNF 7

ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts - Carbon Steel, Alloy Steel, UNC/UNF

The ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts are high-quality fasteners made from carbon steel or alloy steel. They are available in both UNC (Unified National Coarse) and UNF (Unified National Fine) thread types. These bolts are commonly used in construction, automotive, and industrial applications, where a strong and secure fastening solution is required. Their round head design and neck knurling provide enhanced grip and resistance to loosening, making them suitable for heavy-duty and high-stress environments.

    oops...!

    no product data.

    Go to homepage

    Send your inquiry

    Lead Time
    10 days (1 - 10000 Pieces)
    Package Gross Weight
    20.000kg
    Package Size
    24.00cm * 23.00cm * 17.00cm
    Production Capacity
    1000000/M
    HS Code
    731815090
    Origin
    China
    Trademark
    LW
    Specification
    M6-M20
    Transport Package
    Plastic Bag+ Carton+Wood Pallet
    Thread
    Unc,Unf,Nef
    Finish
    Color-Zinc Plated
    Application
    Machinery, Building, Photovoltaic,Car,Railway
    Grade
    8.8
    Standard
    DIN, ANSI, GB, JIS, BSW
    Head Style
    Round

    High-Quality Bolts for Versatile Applications 

    Our ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts are made from high-quality Carbon Steel and Alloy Steel, ensuring durability and strength. With UNC/UNF threading and various finishes available, these big round bolts are perfect for electrical, wood shaft guide, photovoltaic, machinery, chemical industry, and more. Our one-stop shopping, high quality, competitive pricing, and timely delivery make us the ideal choice for all your bolt needs.

    ● ASME/ANSI B 18.5 Round Head Bolts Description

    ● Neck Knurling Bolts Description

    ● UNC/UNF Bolts Description

    ● Fastener Supplier Description

    carousel-2

    Product Display

    carousel-2
    carousel-2
    Read More
    carousel-5
    carousel-5
    Read More
    carousel-7
    carousel-7
    Read More

    Reliable, Strong, Versatile, Durable

    carousel-3
    ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts - Carbon Steel, Alloy Steel, UNC/UNF 13
    Durability
    Crafted from high-quality carbon steel or alloy steel, ensuring long-lasting strength and reliability for all fastening needs.
    未标题-2 (16)
    Versatility
    With UNC/UNF threading options available, these bolts are suitable for a wide range of applications, providing flexibility and convenience.
    未标题-3 (10)
    Ease of Use
    The big round bolt head and neck knurling design provide easy gripping and tightening, making them a reliable choice for any project, promoting efficiency and convenience.
    未标题-4 (5)
    Strength
    Made from durable materials, these bolts offer superior strength and durability for secure and reliable fastening in various applications.

    High Performance Neck Bolts

    The ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts are constructed from high-quality carbon and alloy steel, meeting ASTM Gr.2 Gr.5,Gr.8 grade standards. Available in sizes from 1/2"-1 1/2",M12-M36, these round head bolts feature UNC/UNF threading and come in various finishes, including plain, zinc plated, black oxide, and more. Designed for use in a variety of industries, including electrical, woodworking, photovoltaic, and machinery, these bolts offer one-stop shopping, high quality, competitive pricing, and timely delivery, making them a versatile and essential fastener solution.

    ◎ Versatile

    ◎ Dependable

    ◎ Cost-effective

    carousel-6

    Material Introduction

    The ASME/ANSI B 18.5 Round Head Bolts and Neck Knurling Bolts are constructed using durable and high-quality materials such as carbon steel and alloy steel, ensuring their strength and longevity. These bolts are available in various grades, including ASTM Gr.2, Gr.5, and Gr.8, as well as Class 8.8, 10.9, and 12.9, making them suitable for a wide range of applications in electrical, wood shaft guiding, photovoltaic, machinery, chemical industry, and environmental sectors. The use of high-grade materials and finishes such as plain, zinc-plated, black oxide, and nickel provides versatility and resistance to corrosion, making them suitable for a wide range of environments.


    ◎ Carbon Steel Material Introduction 

    ◎ Alloy Steel Material Introduction

    ◎ UNC/UNF Thread Type Introduction

    carousel-6

    Application Scenario

    ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts - Carbon Steel, Alloy Steel, UNC/UNF 19
    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.
    ASME/ANSI B 18.5 Round Head Bolts, Neck Knurling Bolts - Carbon Steel, Alloy Steel, UNC/UNF 20
    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.
    carousel-5
    Railroads
    Manufacturers of HVAC systems can use these custom bolts to secure electrical components and ensure the safety and reliability of their products.
    carousel-7
    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 is the ASME/ANSI B 18.5 Round Head Bolt used for?
    The ASME/ANSI B 18.5 Round Head Bolt is used for fastening applications where a smooth, rounded head is required.
    2
    What is the difference between Carbon Steel and Alloy Steel Round Head Bolts?
    Carbon Steel Round Head Bolts are made from standard steel with a lower carbon content, while Alloy Steel Round Head Bolts are made from steel with additional alloying elements for increased strength and durability.
    3
    What is the purpose of Neck Knurling on Bolts?
    Neck Knurling provides a roughened surface on the bolt for increased grip and resistance to rotation when tightened.
    4
    What are the thread options for ASME/ANSI B 18.5 Round Head Bolts?
    The ASME/ANSI B 18.5 Round Head Bolts are available with both UNC (Unified Coarse) and UNF (Unified Fine) threads to suit different application requirements.
    5
    Can these bolts be used in outdoor applications?
    Yes, both Carbon Steel and Alloy Steel Round Head Bolts can be used in outdoor applications, but it is recommended to use a corrosion-resistant finish or coating for long-term durability.
    6
    Are these bolts suitable for high-temperature environments?
    Alloy Steel Round Head Bolts are more suitable for high-temperature environments compared to Carbon Steel Round Head Bolts due to their higher heat resistance properties.
    Subscribe Now! Contact Us for Custom Products!
    Please complete the form below, and our sales team will be in touch with you shortly.
    Related Products
    no data
    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
    Copyright © 2025 Haiyan Lewei Hardware & Tool Co., Ltd. | Sitemap | Privacy
    Customer service
    detect