What is a 1/4-20 USS Hex Head Nut, Grade 8?

A 1/4-20 USS Hex Head Nut, Grade 8 is a type of fastener characterized by a hexagonal shape with internal threading that accommodates a 1/4-inch diameter bolt with 20 threads per inch. Grade 8 indicates it's made from high-strength steel with a minimum tensile strength of 150,000 PSI, making it suitable for heavy-duty applications. These nuts are used in various settings, from automotive to construction, where durability and strength are crucial.

What materials are used in Grade 8 nuts?

Grade 8 nuts are typically made from medium carbon steel that is hardened to ensure durability and high tensile strength. The hardness of these nuts allows them to withstand significant stress and prevents deformation under load. This is why they are often used in demanding applications, such as machinery and structural assemblies, where reliability is essential.

What are practical uses for 1/4-20 Hex Head Nuts?

1/4-20 Hex Head Nuts are versatile and commonly used for securing bolts in various assemblies. They are ideal for automotive repairs, machinery maintenance, and construction projects. For instance, if you're assembling a metal frame for furniture or a mechanic working on a vehicle, these nuts provide the necessary strength to ensure that parts remain securely fastened during operation.

How do I choose the right size hex nut?

To choose the right size hex nut, you need to match it with the bolt diameter and thread count. For a 1/4-20 hex nut, ensure it fits a 1/4-inch bolt with 20 threads per inch. It’s important to check that both the nut and bolt are of the same grade; using mismatched grades can lead to failure in high-stress applications. This ensures the integrity of your assembly in various applications, from automotive projects to heavy machinery.

Are these nuts resistant to corrosion?

Standard Grade 8 nuts are not inherently corrosion-resistant; however, there are options available with coatings or finishes that can provide some level of protection from rust and corrosion. To enhance durability, you might consider using nuts with plating or surface treatments like zinc plating. These treatments can be crucial in outdoor or humid environments, where exposure can lead to rapid deterioration.

Can I use 1/4-20 hex nuts in high-temperature applications?

While Grade 8 hex nuts can withstand a wide range of temperatures, they may not be suitable for extreme high-temperature environments where they could lose tensile strength. For applications involving high heat, consider specialized materials or grades specifically rated for those conditions. This ensures your fastening solution maintains its integrity under intense operational demands, such as in engine components or high-heat machinery.

What is the difference between USS and SAE hex nuts?

USS (United States Standard) nuts are designed to fit US standard bolts, while SAE (Society of Automotive Engineers) nuts are often more specific to automotive applications. USS nuts usually have a slightly thicker body, providing greater durability and strength compared to SAE nuts. Understanding this distinction is vital for ensuring compatibility in projects, especially in automotive repairs, machinery, and general construction.

How do I know if I need Grade 8 nuts versus lower grades?

Choosing Grade 8 over lower grades (like Grade 2 or Grade 5) comes down to the specific strength requirements of your project. Grade 8 is recommended for applications that encounter high stress, heavy loads, or extreme environmental conditions. If the application involves significant vibration or repeated impact, opting for Grade 8 ensures that your assembly remains secure and reliable over time.

Can I buy a smaller quantity of hex head nuts?

Yes, many suppliers, including listings that feature 1/4-20 USS Hex Head Nuts, offer various packaging sizes to accommodate different project needs. If you only need a few nuts for a small repair, look for these smaller quantity options. This flexibility can help you minimize waste and ensure you have the right components on hand for various tasks.

Where can I buy 1/4-20 USS Hex Head Nuts, Grade 8 in Australia?

You can buy 1/4-20 USS Hex Head Nuts, Grade 8 in Australia from Ubuy. Ubuy offers a wide selection of fasteners, including Grade 8 nuts, with convenient purchasing options to suit your needs. Whether you're looking for bulk quantities or specific grades, Ubuy provides a reliable resource for sourcing quality hardware.

How to Shop Chenango Supply 1/4-20 x 1-1/4" Grade 8 Hex Head Online From Ubuy?

It’s easy to shop Chenango Supply 1/4-20 x 1-1/4" Grade 8 Hex Head online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.

Is Chenango Supply 1/4-20 x 1-1/4" Grade 8 Hex Head Available to Shop Online in Australia?

Yes, at Ubuy Australia this product is available for you to shop at a reasonable price. The Chenango Supply 1/4-20 x 1-1/4" Grade 8 Hex Head is not available locally but you can trust us with our express shipping services.

How Long Does It Take to Get Product After Placing the Order?

The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Chenango Supply

Great for heavy machinery and automotive applications where high strength is a must!

Chenango Supply

Item #: 11351805

Chenango Supply 1/4-20 x 1-1/4" Grade 8 Hex Head Bolts

90% of respondents would recommend this to a friend

Item #: 11351805

AUD 73

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What Stands Out

High Strength

Crafted from grade 8 steel, these bolts provide exceptional tensile strength, ensuring durability and reliability under heavy loads, ideal for demanding applications.

Versatile Sizing

Available in multiple lengths from 1/2 to 4 inches, these hex head bolts cater to various projects, making them the go-to choice for both professionals and DIY enthusiasts.

Complete Set

Packaged in quantities of 50, these hex head cap screws offer excellent value, providing ample supply for large projects while ensuring you won't run out mid-job.

Product Details

Thread Size	1/4 Inch-20 (35.6 cm)
Exterior Finish	Zinc
Manufacturer Grade	Grade 8
Screw Head Style	Hex
Color	Brass
Fastener Type	Hexagon Bolt
Thread Type	Coarse Thread
Thread Style	Right Hand
Item Hardness	Grade 8
Head Type	Hex
Thread Class	2A
Maximum Shear Strength	90000
Drive System	External Hex
Grade Rating	Grade 8
Set Screw Thread Type	Unified National Coarse (UNC)
Material Type	Metal
Metal Type	Alloy Steel
Finish Types	Steel
Item Diameter	0.25 inches (0.6 cm)
Size Name	1/4-20x1-1/4 50pcs
Number of Pieces	50
Fastener Size	1/4-20 x 1-1/4
Thread Coverage	Partially Threaded
Outside Diameter	0.25 inches (0.6 cm)
Brand	Chenango Supply
UPC	716715821891
Set Name	Chenango Supply 1/4-20 x 1-1/4"Grade 8 Hex Head Bolts (50 Pack)
Unit Count	50 Count
Manufacturer	Chenango Supply
Number Of Items	50
Part Number	03-C040125-50
Material	Metal
Head Style	Hex
Item Weight	5 lbs (2.27 kg)

Who Should Buy?

Contractors
Ideal for contractors needing durable fasteners for construction projects requiring strength and reliability.
DIY Enthusiasts
Great for DIY enthusiasts working on home projects that need robust and versatile fasteners.
Automotive Repairs
Suitable for automotive repairs where strong and corrosion-resistant bolts are essential for secure fittings.

Lightweight Applications
Not suitable for lightweight applications where high strength is unnecessary, leading to overspending.

Product Description

Chenango Supply 1/4-20 x 1-1/4" Grade 8 Hex Head Bolts

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Customer Questions & Answers

Question: How to Shop Chenango Supply 1/4-20 x 1-1/4" Grade 8 Hex Head Online From Ubuy?

Answer: It’s easy to shop Chenango Supply 1/4-20 x 1-1/4" Grade 8 Hex Head online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is Chenango Supply 1/4-20 x 1-1/4" Grade 8 Hex Head Available to Shop Online in Australia?

Answer: Yes, at Ubuy Australia this product is available for you to shop at a reasonable price. The Chenango Supply 1/4-20 x 1-1/4" Grade 8 Hex Head is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Chenango Supply Hex Bolts Editorial Review

Chenango Supply 1/4-20 x 3 Grade 8 Hex Head Bolts offer a reliable solution for various fastening applications with their high-strength construction and durable zinc exterior finish. Made from alloy steel, these bolts demonstrate impressive tensile strength of 150,000 PSI, making them ideal for heavy-duty tasks. The package includes 50 pieces, providing ample supply for large projects or repairs. Customers appreciate the ease of installation thanks to the external hex drive system, while the partially threaded design ensures compatibility with a variety of mounting surfaces. Overall, these bolts stand out for their quality and performance in demanding environments.

Customer Reviews & Ratings

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Pros

High tensile strength for demanding applications
Zinc finish for rust resistance
Includes 50 pieces for extensive use
Easy to install with hex drive system
Compatible with various mounting surfaces

Cons

Some users may prefer multiple head styles

Product Price History

Important information

Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

AUD 73

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Features & Benefits

Grade 8 hardened bolt for superior strength.
Pack of 50 screws for maximum value.
USS coarse thread for easy installation.
Minimum tensile strength of 150,000 PSI.
Ideal for heavy machinery and automotive use.
Durable yellow chromate zinc coating for corrosion resistance.

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Chenango Supply 1/4-20 x 1-1/4" Grade 8 Hex Head Bolts

AUD 73

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Fast Shipping

Free Return*

Secure Packaging

100% Original Products

PCI DSS Compliance

ISO 27001 Certified

What Stands Out

Product Details

Who Should Buy?

Product Description

Customer Questions & Answers

Chenango Supply Hex Bolts Editorial Review

Customer Reviews & Ratings

Review this product

Pros

Cons

Product Price History

Important information

AUD 73

Features & Benefits

Ubuy Assurance

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Free
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