Question 1

What is the SATA ST33821BU 1" Drive 6 Point Impact Socket and what is it used for?

Accepted Answer

The SATA ST33821BU is a heavy-duty 1" drive impact socket with a 6-point interior designed for high-torque fastening tasks. It’s built to be used with impact wrenches, provides a secure grip on fasteners, resists rounding, and is suitable for automotive, machinery, and construction work where high torque is needed.

Question 2

What does the 2-11/16" size refer to, and what fasteners will it fit?

Accepted Answer

The 2-11/16" size refers to the nut/bolt head size the socket is designed to fit. It matches fasteners with a 2-11/16 inch across-flats size, ensuring a snug, slip-free fit during heavy-duty use.

Question 3

Why is a 6-point design beneficial compared to other socket configurations?

Accepted Answer

A 6-point (double-hex) interior provides more contact with the fastener flats, enabling higher torque transfer and reducing the chance of rounding, especially under heavy loads or when fasteners are tight or corroded.

Question 4

What does off-corner loading mean and why does it matter for this socket?

Accepted Answer

Off-corner loading shifts the contact away from the sharp corner of the fastener, which reduces rounding, distributes load more evenly, and increases the socket’s lifespan under harsh torque conditions.

Question 5

What materials and finishing are used in this socket?

Accepted Answer

It’s manufactured from high-strength chrome molybdenum steel for durability and wear resistance, with a black oxide finish that provides corrosion resistance and longevity in tough environments.

Question 6

Is this socket compatible with standard 1" drive tools I already have?

Accepted Answer

Yes. This socket is designed to work with standard 1" drive tools and ratchets, allowing you to integrate it easily into your existing toolset.

Question 7

What are the typical applications for the ST33821BU?

Accepted Answer

Typical uses include automotive repairs, machinery maintenance, and construction tasks where high torque is required and fasteners need a solid, secure grip to avoid slipping.

Question 8

How should I install and use this socket with an impact driver?

Accepted Answer

Attach the socket securely to your 1" drive impact tool, ensure the fastener fits the 2-11/16" size, seat the socket fully on the fastener, apply gradual torque, and avoid striking the tool or socket with a hammer. Use appropriate extensions if needed and always maintain proper stance and PPE.

Question 9

How should I care for and store this socket to maximize its life?

Accepted Answer

Clean off any debris after use, dry the socket to prevent rust, store in its case or a socket rack, and avoid dropping or banging it against hard surfaces. The black oxide finish offers corrosion resistance, but routine cleaning helps preserve performance.

Question 10

What makes this socket a good value compared with other 1" drive 6-point impact sockets on Fepy?

Accepted Answer

This ST33821BU combines high-torque 6-point grip, durable chrome molybdenum steel, corrosion-resistant finish, clear size markings, and off-corner loading benefits. When you compare with other 1" drive options on Fepy, you’ll primarily weigh features like torque capacity, material quality, and size availability against price to determine value.

Question 11

What other sizes or related options should I consider for future tasks?

Accepted Answer

If you work with a variety of fastener sizes, consider keeping additional 1" drive 6-point impact sockets in nearby sizes such as 2-1/4", 2-1/2", or 1-3/4" to cover common automotive and industrial fasteners. Examples of related items on Fepy include: 1" drive 6-point impact sockets in other sizes: https://fepy.com/product/sata-st33819bu-1-drive-6-point-impact-socket-2-1-4 and https://fepy.com/product/sata-st33825bu-1-drive-6-point-impact-socket-2-1-2

Question 12

Where can I see related 1" drive 6-point impact sockets on Fepy to compare directly?

Accepted Answer

For direct comparisons, you can browse related options on Fepy via a search page: https://fepy.com/search?q=1%22+drive+6-point+impact+socket

Question 13

How can I quickly verify the size and markings on the socket while on the job?

Accepted Answer

This socket features large, easily readable size markings on the surface to help you identify it quickly on the job, even in dim lighting or cluttered tool boxes.

مقبس ساتا (1") سداسي صدمي قياس (2.11/16") موديل (ST33821BU)

Features & Benefits

Specification

Attachments

Frequently Asked Questions