[300 BULK] Machine Screws Slotted Round Zinc Plated 5/16-18 X 3 1/2

Mutual ScrewSKU: 3156MSRKC

Price:
Sale price$199.38per 300( $0.66 each)
Pieces 300
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 3-1/2
Material Steel
Grade Steel
Finish Zinc Plated
Drive Slotted
Head style Round
Threads per inch 18
Thread style Fully Threaded
Weight 21.0 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 durable, reliable fastening, these Machine Screws Slotted Round Zinc Plated 5/16-18 x 3-1/2 in are a versatile choice for panel, machinery, and furniture projects. Featuring a slotted round head and zinc plating, they combine classic drive aesthetics with corrosion resistance for long-lasting performance.

  • Size: 5/16-18 UNC
  • Length: 3-1/2 inches
  • Thread: 18 threads per inch (UNC)
  • Head type: Slotted Round
  • Drive: Slotted
  • Material: Steel
  • Finish: Zinc Plated
  • Applications: General purpose fastening, electronics enclosures, machinery panels, furniture assembly

Why choose zinc-plated machine screws? The zinc coating delivers corrosion resistance in interior environments, helping maintain strength and appearance over time. The classic slotted drive is compatible with flat-blade screwdrivers for easy installation and removal, even in tight spaces.

Perfect for builders, technicians, and DIY enthusiasts who need a reliable, standardized fastener in a common size. Add these 5/16-18 x 3-1/2 in slotted round machine screws to your hardware collection and keep projects moving smoothly.

Add to cart today to secure dependable fastening for your next project.

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