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

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[1200 BULK] Hex Head Cap Screws Grade 8 Steel Plain 5/16-18 x 1-1/8

Mutual ScrewSKU: 3118CH8PBB
Price:
$140.09per 1200( $0.12 each)
Pieces 1200
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 1-1/8
Material Steel
Grade Grade 8
Finish Plain
Head style Hex
Threads per inch 18
Thread style Partially Threaded
Weight 38.0 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

Hex Head Cap Screws Grade 8 Steel Plain 5/16-18 x 1-1/8 are high-strength fasteners designed for demanding assemblies. Featuring Grade 8 steel with a plain, uncoated finish, these screws deliver reliable performance in clean, dry environments and when paired with compatible 5/16-18 nuts or tapped holes.

  • Material: Grade 8 steel for excellent tensile strength and durability.
  • Finish: Plain (uncoated) steel for straightforward use and cost efficiency.
  • Head type: Hex head for tool-friendly tightening with standard wrenches or sockets.
  • Thread size: 5/16-18 UNC (coarse) thread for strong, versatile engagement.
  • Length: 1-1/8 inch overall length.

Perfect for automotive, machinery, and equipment assemblies where high load resistance and dependable fastening are essential. Pair these screws with matching nuts or tapped holes of the same thread specification for optimal performance.

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