221139 NEWPORT FASTENERS Socket Head Cap Screw Alloy Steel

Review NEWPORT FASTENERS Socket Button Head Cap Screw 1/4-20 1/4 Inch Alloy Steel Black Oxide Hex

Introducing the Newport Fasteners 221139 Socket Head Cap Screw, a high-quality fastener designed to provide superior strength and reliability for various applications. This particular screw is a 1/4-20 size, meaning it has a thread pitch of 20 threads per inch and a diameter of 1/4 inch. The screw is made of 1/4 alloy steel, which offers excellent tensile strength and durability.

The most distinctive feature of this screw is its socket head design, which provides an enhanced grip for socket wrenches and nut drivers. The socket head also allows for the use of torque wrenches, ensuring precise and consistent torque application during installation. The hexagonal recess on the top of the screw is anodized to form an oxide finish, which protects the screw from corrosion and wear.

This screw is ideal for applications where a high degree of strength and load-bearing capacity is required. It can be used in various industries, including automotive, aerospace, construction, and engineering. The oxide finish makes it particularly suitable for outdoor or harsh environment applications, where the risk of corrosion is higher.

The Newport Fasteners 221139 Socket Head Cap Screw is manufactured to meet the highest standards of quality and precision. Each screw undergoes rigorous testing to ensure it meets the specified dimensions, strength, and finish requirements. The result is a fastener that provides reliable performance and longevity, even in the most demanding conditions.

In summary, the Newport Fasteners 221139 Socket Head Cap Screw is a versatile and robust fastener designed for applications where strength and durability are essential. Its socket head design, 1/4 alloy steel construction, and oxide finish make it an excellent choice for a wide range of industries and applications. Whether you're working on a construction project, assembling machinery, or building a custom vehicle, you can trust this screw to provide the strength and reliability you need.

Newport Fasteners 221139 socket head cap screws are a common type of fastener used in various industries for their strength and versatility. Here are some pros and cons of buying these particular socket head cap screws:

1. High Tensile Strength: These screws are made of 1/4 alloy steel, which provides them with a high tensile strength, making them suitable for applications that require a significant amount of load-bearing capacity.

2. Corrosion Resistance: The oxide coating on these screws provides an additional layer of protection against corrosion, making them an ideal choice for use in harsh environments.

3. Easy to Install: Socket head cap screws have a hexagonal recess that allows them to be installed using a socket wrench, making them easier and faster to install than other types of screws.

4. Consistent Quality: Newport Fasteners is a reputable brand known for producing high-quality fasteners, ensuring that these screws meet the required specifications and provide reliable performance.

1. Cost: Compared to other types of screws, socket head cap screws made of alloy steel and with an oxide coating can be more expensive.

2. Size Limitations: These screws come in a specific size (1/4-20), which may not be suitable for all applications.

3. Stripping: The hexagonal recess on these screws can be prone to stripping if the wrong type or size of socket is used, which can result in the screw becoming damaged or unusable.

Newport Fasteners 221139 socket head cap screws offer several advantages, including high tensile strength, corrosion resistance, and easy installation. However, they can be more expensive than other types of screws, and their size limitations and susceptibility to stripping are potential drawbacks. Ultimately, the decision to buy these screws depends on the specific requirements of your application and your budget. If you need a strong, corrosion-resistant screw for a 1/4-20 application, then these screws are an excellent choice. If you require a different size or need to keep costs low, then you may want to consider other options.

Details:

Thread size: 1/4-20. Package dimensions: 4.72 x 4.45 2.05 inches; 0.01 ounces. Head style: button. Socket button head cap screw, 1/4-20 x 1/4, alloy steel, black oxide, hex quantity: 100 coarse thread, 1/4 inch hexagonal Allen bolt, length : inch, partial thread: material: steel.

Exterior finish: black oxide. Used when a wider bearing surface or smoother, more finished appearance is desired. Button head cap screws do not afford the strength of socket and are designed for light fastening applications. Metal type: alloy steel, stainless steel.

Manufacturer: Newport Fasteners. Thread: coarse / full thread alloy steel black oxide. They are not recommended for critical, high strength applications. Has a similar thread design as socket cap screw.

Stainless steel material is recommended for environments with moisture. Item model number: 221139. Black oxide is not a protective finish and will rust if exposed to moisture. The dome-shaped head is wider and has a lower profile than socket cap screw.

specifications sossocket:

• brand: Newport Fasteners
• mpn: 221139
• part type: Socket Head Cap Screw
• upc: 945135997493

payments sossocket:

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shipping sossocket:

• type: fixed
• transit: 5-11 days
• class: standard
• service: standard

general sossocket:

• category: Business & Industrial > Hand Tools > Sockets Sets

returns sossocket:

• method: money back
• policy: returns accepted
• paid by: seller
• time: 30 days

seller sossocket:

• # reviews: 244
• rating: 99.6%
• city: san bernardino, ca

offer sossocket:

• options: ship-to-home
• prices: $14.99–$41.35
• item condition:
  • New – Open box
  • Used
  • New
• in stock #: 5
• started: september 27, 2025
• sold #: 13
• availability: in stock