148pcs 1/2"-20 x 4-1/2" Hex Cap Screw Bolt FineThread NFx GR5 High Carbon pd 40z

1/2"-20 x 4-1/2" Hex Cap Screw Bolt Machine Fine Thread NFx GR5

$249.95
SKU:
118725
UPC:
8598481866052
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Description

1/2"-20 x 4-1/2" Hex Cap Screw Bolt Fine Machine Thread NFx GR5 HC High Carbon

You get 148 Pieces.


You get the EXACT ones shown in the photo.  All are brand-new, never used and ready to use in your automotive or industrial setting.  Some have some very minor oxidation as shown, as is to be expected, from shelf storage.  Save BIG with our bulk lot of 148 pieces. Buy TWO boxes of 148 pieces and SAVE EVEN MORE!


A 1/2"-20 x 4-1/2" Hex Cap Screw Bolt GR5 Hex Cap Screw is a threaded fastener known for its strength and reliability
. 
Here's a breakdown of what the specifications mean and where it's used
  • 1/2": This refers to the diameter of the screw, which is 1/2 inch.
  • 20: This refers to the thread pitch, indicating there are 20 threads per inch.
  • 4-1/2": This is the length of the screw, 4 and a half inches.
  • Hex Cap Screw (or Hex Bolt): This describes the hexagonal head, designed for use with a wrench or socket, facilitating tightening and loosening.
  • GR5 (Grade 5): This signifies the grade of the bolt, indicating its strength. Grade 5 bolts are made from carbon steel, heat-treated, quenched, and tempered, offering medium to high strength with a minimum tensile strength of 120,000 psi. They are considered a good balance of strength and cost-effectiveness and are commonly used in automotive applications. 
Usage
These specifications make a 1/2"-20 x 4-1/2" Hex Cap Screw suitable for a variety of medium to high-strength applications, including 
  • Machinery: Securing components in various types of machinery.
  • Construction: Fastening structural elements in construction projects.
  • Automotive: Widely used in automotive applications due to their strength and reliability. 
Important note: It's recommended to use a hardened washer with these screws, particularly when fastening components with high loads or controlled clamp forces, to ensure proper load distribution and prevent damage to the fastened surface.