Williams ST-628

Williams ST-628 7/8-Inch Shallow 6 Point Socket User Manual

Brand: Williams

1. Product Overview

The Williams ST-628 is a high-quality 7/8-inch shallow 6-point socket designed for efficient and reliable fastening. Its robust construction and specialized design ensure maximum engagement with fasteners, preventing deformation and providing superior turning power.

Williams ST-628 7/8-Inch Shallow 6 Point Socket

Figure 1: The Williams ST-628 7/8-Inch Shallow 6 Point Socket, showcasing its polished chrome finish and compact design.

Key Features:

  • 7/8-Inch Shallow Socket: Ideal for applications requiring a compact profile.
  • 1/2-Inch Drive: Compatible with standard 1/2-inch drive ratchets and extensions.
  • 6 Point Design: Engineered for maximum engagement on 6 point fasteners, reducing slippage.
  • Super Torque Lobular Openings: Provides greater turning power without deforming the fastener, enhancing durability and performance.
  • High Polished Chrome Finish: Offers corrosion resistance and a professional appearance.

2. Specifications

AttributeDetail
Model NumberST-628
Socket Size7/8-Inch
Drive Size1/2-Inch
Points6 Point
Overall Length1 1/2-Inches
Finish TypePolished Chrome
Item Weight0.16 ounces
Product Dimensions2 x 1.5 x 1.5 inches
ManufacturerSnapOn
UPC662459220813

3. Setup and Preparation

The Williams ST-628 socket requires minimal setup. Ensure you have the appropriate drive tool (e.g., a 1/2-inch drive ratchet, breaker bar, or extension) for your application.

Selecting the Right Tool:

  • Matching Drive Size: Verify that your drive tool has a 1/2-inch square drive to securely fit the socket.
  • Fastener Compatibility: This 7/8-inch, 6-point socket is specifically designed for 7/8-inch, 6-point fasteners. Using it on fasteners of different sizes or types (e.g., 12-point, square) may cause damage to the fastener or the socket.
  • Application Assessment: For applications requiring extra reach or leverage, consider using appropriate extensions or breaker bars.
Williams Chrome Sockets

Figure 2: Example of Williams Chrome Sockets, illustrating the polished finish and various sizes.

4. Operating Instructions

Using the Williams ST-628 socket is straightforward. Follow these steps for safe and effective operation:

  1. Attach the Socket: Firmly push the ST-628 socket onto the square drive of your ratchet, breaker bar, or extension until it clicks into place, ensuring a secure connection.
  2. Position on Fastener: Place the socket squarely over the 7/8-inch, 6-point fastener. Ensure the socket fully engages the fastener head to prevent rounding or stripping. The super torque lobular openings are designed for maximum engagement.
  3. Apply Force:
    • For tightening, turn the drive tool clockwise.
    • For loosening, turn the drive tool counter-clockwise.
    Apply steady, controlled force. Avoid sudden jerks or excessive force that could damage the fastener or tool.
  4. Remove the Socket: Once the task is complete, pull the socket off the drive tool. If it's stuck, gently wiggle it while pulling.

Safety Note: Always wear appropriate personal protective equipment (PPE), such as safety glasses, when using hand tools. Ensure your work area is well-lit and stable.

Williams Ratchets and Drive Tools

Figure 3: Examples of Williams Ratchets and Drive Tools, which are compatible with this socket.

5. Maintenance and Care

Proper maintenance extends the life of your Williams ST-628 socket and ensures continued performance.

  • Cleaning: After each use, wipe the socket clean with a dry cloth to remove dirt, grease, and debris. For stubborn grime, a mild degreaser can be used, followed by thorough drying.
  • Lubrication: While not typically required for sockets, ensure that the drive tool (ratchet) you are using is properly lubricated according to its own maintenance instructions.
  • Storage: Store the socket in a dry environment to prevent rust. A tool chest or socket rail is recommended to keep it organized and protected from damage.
  • Inspection: Periodically inspect the socket for signs of wear, cracks, or deformation. Discontinue use if any damage is observed, as a damaged socket can be unsafe and ineffective.

6. Troubleshooting

Most issues with sockets are related to improper use or selection. Here are common scenarios and solutions:

ProblemPossible CauseSolution
Socket slips on fastenerIncorrect socket size; fastener head is rounded; socket is worn.Ensure 7/8-inch, 6-point fastener. Replace rounded fasteners. Inspect and replace worn socket.
Socket gets stuck on drive toolDirt or debris in drive square; tight fit.Clean drive square of both socket and tool. Apply a small amount of lubricant if necessary. Gently wiggle while pulling.
Fastener head is stripping/roundingSocket not fully engaged; incorrect socket type (e.g., 12-point on 6-point fastener); excessive force.Ensure full engagement. Use correct 6-point socket. Apply steady, controlled force.
Williams Impact Sockets

Figure 4: Example of Williams Impact Sockets, which are designed for high-torque applications.

7. Warranty and Support

Williams tools are manufactured to high standards and are designed for durability and performance. For specific warranty information regarding your ST-628 socket or any other Williams product, please refer to the official Williams website or contact their customer support directly.

Customer Support: For technical assistance, product inquiries, or warranty claims, please visit the official Williams Industrial Tools website or contact their customer service department. Keep your product model number (ST-628) handy when contacting support.

You can often find more information and contact details through the Williams Store on Amazon.

Williams Brand Logo

Figure 5: The official Williams brand logo.

© 2025 Williams. All rights reserved.

This manual is for informational purposes only. Specifications are subject to change without notice.

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