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Steel Socket Cap Screw, Plain Finish, Button Head, Hex Socket Drive, Meets ASME B18.3/ASTM F835, 1-1/2" Length, Fully Threaded, 1/4"-20 Threads (Pack of 100)

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Product Specifications
Brand Name
Small Parts
Hex Wrench
3/16  inches
Number of Items
Overall Length
1-1/2  inches
Part Number
Size Name
Thread Coverage
Fully Threaded
Thread Length
1-1/2  inches
Thread Size
Specification for this product family (See all  products)
Drive Style
Hex Socket
Exterior Finish
Specification Met
ASME B18.3 , ASTM F835
Material Type
Head Style
Thread Style
Right Hand
System of Measurement

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Key Features

  • Steel is often used in applications where strength is the primary consideration
  • Plain surface has no finish or coating
  • 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 F835 specifications

Package Details

Shipping Weight: 1.7 pounds
Package Size: 4.7 x 3.2 x 2.4 inches

Product Description

The steel socket cap screw has a plain finish and 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 F835 specifications. Steel is often used in applications where strength is the primary consideration. 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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