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Steel Hex Nut, Plain Finish, Grade 8, 1/2"-13 Threads, 0.866" Width Across Flats, 0.448" Height (Pack of 50)

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Product Specifications
Number of Items
Overall Height
0.448  inches
Overall Width
0.866  inches
Size Name
Thread Size
Thread Style
Specification for this product family (See all  products)
Manufacturer Series Number
Exterior Finish
Manufacturer Grade
Material Type
Part Number
Brand Name
Small Parts
Thread Style
Right Hand
System of Measurement

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Key Features

  • Hex nut tightens from the side with a wrench, enabling use when there is limited space above the nut
  • Grade 8 steel is stronger than grade 5 steel and often used in applications where strength is the primary consideration
  • Plain surface has no finish or coating

Package Details

Shipping Weight: 1.85 pounds
Package Size: 5 x 4.7 x 1 inches

Product Description

The grade 8 steel hex nut has a plain finish. It has six flat sides that a wrench can grip to turn from the side, enabling use when there is no space above the nut. Grade 8 steel, composed of quenched and tempered medium carbon alloy steel, is stronger than grade 5 steel and is often used in applications where strength is the primary consideration.

Nuts are internally threaded fasteners that are used with bolts and threaded rods and studs to connect components. Several different nut styles fit a variety of application and installation requirements. Some styles, such as hex nuts, acorn nuts, flange nuts, and coupling nuts, must be tightened with a tool. Others, such as eye nuts, thumb nuts, and wing nuts, can be tightened by hand. Some nuts have a self-locking mechanism, such as a nylon patch or distorted threads, that makes them suitable for applications with a high amount of vibration.

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