5/16"-18 X 1" Machine Screws | Indented Hex Washer Head | Steel Black Oxide (1250/Pkg.)
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5/16"-18 X 1" Machine Screws | Indented Hex Washer Head | Steel Black Oxide (1250/Pkg.)

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5/16"-18 X 1" Machine Screws | Indented Hex Washer Head | Steel Black Oxide (1250/Pkg.)

Mutual ScrewSKU: 3116MWBKC
Price:
$466.97per 1250( $0.37 each)
Pieces 1250
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 1
Material Steel
Grade Steel
Finish Black Oxide
Drive Unslotted
Head style Indented Hex Washer
Threads per inch 18
Thread style Fully Threaded
Weight 39.0 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

Engineered for strength and a clean, professional finish, this Machine Screw features an unslotted indented hex washer head, steel construction, and a durable black oxide coating. Sized 5/16-18 x 1, it's ideal for precise, high-torque fastening in tapped holes or with nuts.

  • Drive Type: Internal hex (Allen) drive for a slotted-free, high-torque engagement
  • Head Style: Indented hex washer head provides a flush, low-profile look and distributes load over a larger area
  • Material & Finish: Steel with a black oxide finish for corrosion resistance and a sleek appearance
  • Thread Size & Length: 5/16-18 UNC, 1 inch long
  • Applications: Great for equipment enclosures, control panels, and assemblies where a secure, neat fastener is required

To install, use the appropriate Allen (hex) drive with compatible taps or nuts. Avoid over-tightening to preserve thread integrity.

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800-222-0324

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