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Alloy Steel Hex Bar 4340

4340 is a high-strength, low-alloy steel containing chromium, nickel, and molybdenum that provides excellent toughness, fatigue strength, and wear resistance. Hex bars made from this heat-treatable 4340 alloy steel are commonly used for applications requiring high mechanical properties and durability, such as machine tools, automotive components, shafts, structural parts, and aerospace components. The hexagonal cross-section shape of the bar is well-suited for applications needing high strength and resistance to wear.

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5/8" Alloy Steel Hex Bar 4340 Cold Finished, Normalized & Tempered Part # 27781

5/8" Alloy Steel Hex Bar 4340 Cold Finished, Normalized & Tempered -
Part #: 27781
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

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$19.63 for 1
$19.63 ea.
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Dimensions

  • Temper: Normalized & Tempered
  • Across Flats: 0.625"
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Key Features

CUSTOM CUT MTR FREEMTRAvailable
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