5/16"-18 X 1-1/4" Machine Screws | Truss Serrated Head | Slotted Drive | Steel Zinc Plated (1000/Pkg.)
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5/16"-18 X 1-1/4" Machine Screws | Truss Serrated Head | Slotted Drive | Steel Zinc Plated (1000/Pkg.)

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5/16"-18 X 1-1/4" Machine Screws | Truss Serrated Head | Slotted Drive | Steel Zinc Plated (1000/Pkg.)

Mutual ScrewSKU: 3120MSTSKC
Price:
$150.99per 1000( $0.15 each)
Pieces 1000
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 1-1/4
Material Steel
Grade Steel
Finish Zinc Plated
Drive Slotted
Head style Truss Serrated
Threads per inch 18
Thread style Fully Threaded
Weight 31.0 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 sturdy, low-profile fastening, the Machine Screws Slotted Truss Serrated Zinc Plated 5/16-18 x 1-1/4 delivers reliable performance in cabinetry, electronics, and metalwork. With a broad bearing truss head and a slotted drive, these screws provide a secure, easy-to-drive option for both professionals and DIY enthusiasts.

  • Size: 5/16-18 (UNC)
  • Length: 1-1/4 in
  • Head style: Truss head for a broad bearing surface
  • Drive type: Slotted
  • Finish: Zinc-plated for corrosion resistance
  • Material: Steel
  • Special feature: Serrated underside for grip and vibration resistance

Designed for indoor use where a strong, low-profile fastener is required, these screws pair with standard 5/16-18 nuts and tapped holes to deliver dependable assemblies in furniture, cabinetry, electrical enclosures, and metal fabrication projects.

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800-222-0324

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