Hex Head Cap Screws Grade 8 Steel Plain 5/16-18 x 4-1/2
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Hex Head Cap Screws Grade 8 Steel Plain 5/16-18 x 4-1/2

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[300 BULK] Hex Head Cap Screws Grade 8 Steel Plain 5/16-18 x 4-1/2

Mutual ScrewSKU: 3172CH8PBB
Price:
$111.02per 300( $0.37 each)
Pieces 300
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 4-1/2
Material Steel
Grade Grade 8
Finish Plain
Head style Hex
Threads per inch 18
Thread style Partially Threaded
Weight 32.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Our Hex Head Cap Screws Grade 8 Steel Plain, 5/16-18 x 4-1/2, deliver exceptional strength and reliability for demanding fastener applications. Built from Grade 8 steel, these screws provide high tensile strength and are ideal for heavy equipment, machinery, and structural assemblies where a secure, long-lasting joint is essential.

Key specifications

  • Size and thread: 5/16-18 UNC (coarse thread)
  • Length: 4-1/2 inches
  • Material: Grade 8 steel
  • Finish: Plain (uncoated)
  • Head type: Hex head
  • Drive type: External hex drive
  • Applications: Suitable for high-strength fastening in automotive, industrial, and machinery applications

Why choose these Grade 8 plain hex head cap screws? They combine superior strength with reliable performance in dry, clean environments. When pairing with compatible Grade 8 nuts and suitable washers, they provide strong clamping force and durable joints. For best results, ensure the fastener length fully engages the host material and use proper tightening practices.

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If you’re not sure that this product is right for you, give us a call!
800-222-0324

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