1. Industrial Sockets & Socket Sets Items
  2. sku: 3606233895128671
  3. ARMSTRONG 21-721

21-721 ARMSTRONG Choice Hex Socket

21-721 ARMSTRONG Choice Hex Socket
Identifiers
BrandARMSTRONG
Manufacturer Part Number21-721
Part TypeSOCKET
Socket Size3/4 DRIVE
Country/region Of ManufactureUNITED STATES

Review ARMSTRONG Choice Used Industrial Hex Socket 7/8 Inch 3/4 19mm

Introducing the Armstrong Tools 21-piece SAE/Metric Combination Wrench Set (Model Numbers: 21-721, 21-723, 48-724, 7/8 3/4 19mm), designed to provide versatility and convenience for any DIY or professional mechanic. This comprehensive collection includes a variety of hex sockets in both SAE and Metric sizes, capable of tackling a wide range of automotive, industrial, and home repair tasks.

The 21-piece set includes 15 SAE sockets (from 5/16 to 1-1/16 inches) and 6 Metric sockets (4mm, 5mm, 7/16, 9/16, 11mm, and 19mm), along with a 7/8-inch (21mm) ratchet drive adapter. Each socket is manufactured with chrome-vanadium steel for optimal strength and durability, ensuring reliable performance even under heavy torque.

The hex sockets in this set feature a chamfered edge and a box end design, offering improved grip and access to tight spaces. The sockets are also acid-etched for easy identification of sizes. Their polished chrome finish not only adds a professional touch but also enhances corrosion resistance and ease of cleaning.

With the inclusion of a 7/8-inch (21mm) ratchet drive adapter, you can use this wrench set as an extension for your 3/4-inch drive ratchet or torque wrench, making it an even more valuable addition to your toolbox. The sockets are also compatible with standard 3/4-inch and 1-inch drive ratchets.

In summary, the Armstrong Tools 21-piece SAE/Metric Combination Wrench Set (21-721, 21-723, 48-724, 7/8 3/4 19mm) is a must-have for anyone who requires a versatile set of sockets with SAE and Metric options. Its high-quality materials, impressive range of socket sizes, and convenient ratchet adapter make it a valuable investment for any repair or maintenance project.

Pros and Cons of buying a Armstrong Tools 21-721, 21-723, 48-724 Hex Socket Set

1. Pros:

a. Versatile: This set includes a variety of sockets (21-721: 1/4", 21-723: 3/8", 48-724: 7/8", 19mm) that can accommodate different torque wrenches and power tools, making it suitable for a wide range of automotive and industrial applications.

b. Durable: Armstrong Tools is known for producing high-quality sockets. These hex sockets are made from chrome vanadium steel, enabling them to withstand heavy torque and resistant to wear, corrosion, and impacts.

c. Precision Fit: These sockets deliver a precise fit on fasteners due to their double-ratcheting design, ensuring a secure connection and preventing theoretically round fasteners from slipping during application.

d. Convenient: This set comes in a convenient organizer pouch or tray that helps keep the sockets neatly arranged, reducing the risk of losing them and improving storage and portability.

2. Cons:

a. Expensive: This socket set might be considered more expensive compared to some other brands. However, customers attest to the durability and reliability of these tools, which is important for industrial and automotive repairs and maintenance.

b. Limited Coverage: This set includes only a few sockets in various sizes. Although it caters to a wide range of applications, it might not cover all projects or specific socket requirements. Additionally, it may be necessary to purchase additional sockets to complete a project.

c. Not Compatible with SAE Sockets: These sockets are hexagonal (metric) and are not compatible with SAE (standard) sockets. This may present an inconvenience when working on vehicles whose fasteners need SAE sockets.

Conclusion:

The Armstrong Tools 21-721, 21-723, 48-724 hex socket set is a dependable and versatile solution for projects requiring various hex sockets in various sizes. This set's durability, precision fit, convenience, and suitability for heavy-duty applications make it an excellent investment. Despite the limited coverage and higher price point, the product's longevity and reliability often make up for these cons. If SAE sockets are needed instead of metric sockets or a more extensive socket set is required, buyers may need to consider other options or purchase additional tools. Overall, the Armstrong Tools hex socket set is a valuable addition to any professional mechanic's or DIY enthusiast's toolbox.

Recommendation:

If you frequently work on projects that require metric hex sockets and are willing to invest in a reliable and high-quality tool set, the Armstrong Tools 21-721, 21-723, 48-724 socket set is worth considering. If you are unsure about the socket sizes you require, you may consider purchasing a more comprehensive socket set from the same or another brand to ensure you have all the necessary tools for your projects. Alternatively, if SAE sockets are your preference or if you require a larger variety of sockets, you might look into other socket sets from brands like SAE, Crescent, or Craftsman.

Details:

Remember-the price is for one socket-buy the whole group of three and save. Shipped free to lower 48. The 7/8 and 19mm show almost no signs of actual use. Photos show actual condition-all parts ready for use.

The 3/4 is used and has we metal wire keeper to retain the bit.

specifications sossocket:

  • brand: Armstrong
  • mpn: 21-721
  • part type: Socket
  • socket size: 3/4 Drive
  • country/region of manufacture: United States

payments sossocket:

  • credit card: mastercard
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general sossocket:

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

returns sossocket:

  • policy: no returns

offer sossocket:

  • availability: in stock
  • started: february 3, 2025
  • in stock #: 5
  • prices: $22.99–$28.99
  • item condition:
    • Used
    • New – Open box
  • best offers: true
  • sold #: 21
  • options: ship-to-home

shipping sossocket:

  • type: calculated
  • carrier: usps
  • service: usps ground advantage
  • transit: 4-10 days
  • class: standard

seller sossocket:

  • # reviews: 1548
  • rating: 100.0%
  • city: union grove, wisconsin
rating: 100.0% out of 100 based on 548 user ratings.
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