5/16"-18 X 3-1/2" Machine Screws | Round Head | Phillips Drive | Steel Zinc Plated (200/Pkg.)

Mutual ScrewSKU: 3156MPRKC

Price:
Sale price$102.72per 200( $0.51 each)
Pieces 200
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 3-1/2
Material Steel
Grade Steel
Finish Zinc Plated
Drive Phillips
Head style Round
Threads per inch 18
Thread style Fully Threaded
Weight 14.0 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

Upgrade your fastening projects with our Phillips round head machine screws, crafted from steel and finished with a durable zinc plating for long-lasting corrosion resistance. The 5/16-18 thread and a generous 3-1/2 inch length deliver strong, reliable performance in a wide range of assemblies.

Designed for a Phillips drive and a round head, these screws provide a clean, flush look and distributes driving pressure for a secure fit. The zinc-plated finish protects against rust in indoor environments and light outdoor use, making them suitable for cabinetry, machinery, equipment housings, furniture, and other metal-to-metal or mixed-material applications.

Specifications

  • Drive Type: Phillips
  • Head Style: Round
  • Material: Steel
  • Finish: Zinc plated
  • Thread Size: 5/16-18
  • Length: 3-1/2 in

Why choose these screws? They combine sturdy steel construction with a dependable zinc finish, ensuring a strong bite and lasting performance in high-stress applications. Perfect for quick repairs and professional-grade assemblies, these 5/16-18 x 3-1/2 in zinc-plated Phillips round head machine screws are a reliable choice for any project.

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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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