1/2" x 1" Alloy Steel Shoulder Bolt (3/8"-16 Thread, Black Oxide) - Pack of 2

SKU: P-SS-1138-A

Featuring a black oxide finish. Supplied in a pack of 2, it's designed for various wash site applications requiring a precise, load-bearing pivot or mounting point

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$3.05

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The Shoulder Bolt is a robust and precision-engineered fastener crucial for various mechanical assemblies, particularly in applications found within demanding environments like wash sites. This specific bolt features a 1/2" shoulder diameter and a 1" shoulder length, providing a precise, unthreaded cylindrical section that can act as a pivot point, spacer, or axle for rotating parts.


The threaded portion of the bolt has a 3/8" diameter with 16 threads per inch (3/8"-16 UNC) and a 5/8" thread length, designed for secure fastening. Manufactured from high-strength alloy steel and finished with a black oxide coating, this shoulder bolt offers enhanced corrosion resistance and improved durability, even in challenging conditions. The 1/4" drive size indicates an internal hex (Allen) drive, allowing for clean and secure installation.


Commonly employed in multiple applications across wash sites, this bolt's design is ideal for securing components while allowing for rotation or movement on the unthreaded shoulder. Each order of P-SS-1138-A includes two shoulder bolts, providing convenience for both new installations and replacement needs.

  • Product Type: Shoulder Bolt
  • Shoulder Diameter: ½"
  • Shoulder Length: 1"
  • Thread Diameter: 3/8"
  • Thread Size: 16 (UNC)
  • Thread Length: 5/8"
  • Material: Alloy Steel
  • Finish: Black Oxide
  • Drive Size: 1/4" (Internal Hex/Allen)
  • Quantity: Pack of 2
  • Precision Shoulder Design: Provides a consistent, unthreaded bearing surface for rotating components or precise spacing.
  • High-Strength Alloy Steel: Ensures exceptional durability and load-bearing capability.
  • Black Oxide Finish: Offers enhanced corrosion resistance and a clean aesthetic.
  • Standard Threading: 3/8"-16 UNC thread for wide compatibility with nuts and tapped holes.
  • Internal Hex Drive: Allows for secure and flush installation.
  • Versatile Application: Ideal for various mechanical assemblies and wash site equipment.
  • Convenient Pack Size: Supplied in a pack of two for immediate use or spares.

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