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18-8 Stainless Steel Socket Cap Screw, Button Head, Internal Hex Drive, Meets ASME B18.3/ASTM F879, 3/8" Length, Fully Threaded, #6-32 Threads (Pack of 100)

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Product Specifications
Brand Name
Small Parts
Hex Wrench
7/64  inches
Number of Items
Overall Length
3/8  inches
Part Number
Size Name
Thread Coverage
Fully Threaded
Thread Length
3/8  inches
Thread Size
Specification for this product family (See all  products)
Drive Style
Internal Hex
Specification Met
ASME B18.3 , ASTM F879
Material Type
Stainless Steel
Head Style
Thread Style
Right Hand
System of Measurement

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Key Features

  • 18-8 stainless steel provides good corrosion resistance and strength
  • Button head has a rounded, low-profile top that is suitable for light duty applications
  • Internal hex drive has a hexagonal slot that turns using an Allen key driver
  • Meets ASME B18.3 and ASTM F879 specifications

Package Details

Shipping Weight: 0.9 pounds
Package Size: 3.1 x 2.6 x 1.6 inches

Product Description

The 18-8 stainless steel socket cap screw has a button head with an internal hex drive, and meets American Society of Mechanical Engineers ASME B18.3 and American Society for Testing and Materials ASTM F879 specifications. The 18-8 stainless steel material provides strength and offers good corrosion resistance in many environments. The material may be slightly magnetic. The button head is round with a low profile and short vertical sides, and is suitable for light duty applications. The internal hex drive, also known as a hex-socket drive, has a hexagonal slot that requires an Allen key driver, also known as a hex key or Allen wrench.

Socket cap screws are threaded fasteners that have a cap head with an internal socket drive for installing in areas with limited side clearance. These screws are available with a variety of head shapes, which determine how the screw interacts with the mating surface, and drive styles, which determine the type of tool required to install the screw.

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