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3/8 In Drive 12 Pt Flex Fractional Socket - 5/16 In - SK Hand Tool

Part #: 40660

The SK Hand Tool 3/8 In Drive 12 Pt Flex Fractional Socket - 5/16 In (40660) is engineered for professional technicians requiring reliable performance and exceptional fastener engagement. This American-made flex socket features a patented SureGrip hex design that precisely grips the sides of a fastener, minimizing rounding on damaged or corroded bolts. Its high-polish SuperKrome finish ensures enduring protection against corrosion in demanding workshop environments.

Key Features

  • Made in the U.S.A.: Constructed with pride and precision in the United States, ensuring high-quality manufacturing standards.
  • Patented SureGrip Hex Design: Engages the side of the fastener rather than the corner, significantly increasing strength and preventing the rounding of rusted or damaged nuts and bolts.
  • High Polish SuperKrome Finish: Provides superior corrosion resistance and a long service life, maintaining its professional appearance through rigorous use.
  • 12-Point Configuration: Offers increased contact points for better torque transmission and easier engagement with fasteners, particularly in confined spaces.
  • 3/8-Inch Drive Size: Compatible with standard 3/8-inch drive ratchets, extension bars, and other drive tools, ensuring versatility in a professional toolkit.
  • Flex Head Design: Allows for improved access and maneuverability around obstructions, making it ideal for hard-to-reach fasteners.

Applications

This 5/16-inch flex fractional socket is an indispensable tool for a wide range of professional applications, including:

  • Automotive repair and maintenance, especially in engine bays and chassis work.
  • Industrial machinery assembly, disassembly, and servicing.
  • Farm equipment and heavy machinery maintenance.
  • General mechanical tasks requiring precise fastener engagement and enhanced access.

Caution

Do not use chrome sockets or drive tools with impact or power tools. Such use damages the tool and may also result in bodily injury.

Recommended Alternatives

  • SK Hand Tool
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  • Model: 57106
  • Shipping Weight: 0.12lbs
  • UPC: 025141406603
  • Manufacturers Part #: 40660
  • Manufactured by: SK Hand Tool
  • Also Known As: SK40660, SKT-40660

This product was added to our catalog on Friday 16 February, 2007.