[100 PKG] Machine Screws Slotted Flat Steel Zinc 5/16-18 X 2-1/2

Mutual ScrewSKU: 3140MSF

Price:
Sale price$19.46per 100( $0.19 each)
Pieces 100
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 2-1/2
Material Steel
Grade Steel
Finish Zinc Plated
Drive Slotted
Head style Flat
Threads per inch 18
Thread style Fully Threaded
Weight 5.0 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 reliable fastening in metal-to-metal assemblies, the Machine Screws Slotted Flat Steel Zinc 5/16-18 x 2-1/2 delivers tough performance with a clean, flush finish. Zinc plating provides corrosion resistance for longer service life in a variety of environments.

These machine screws feature a flat (countersunk) head with a slotted drive, making them compatible with standard flat-blade drivers. The 5/16-18 thread size is a common choice for metal-to-metal joints and is designed for tapping or pre-threaded holes in compatible materials.

  • Material: High-grade steel with zinc plating
  • Head style: Flat (countersunk) head
  • Drive type: Slotted
  • Thread size: 5/16-18
  • Length: 2-1/2 inches
  • Coating: Zinc for corrosion resistance
  • Applications: Metal enclosures, electrical panels, machinery, cabinetry, furniture assembly

Why choose zinc-plated steel machine screws? They offer a balance of strength, cost-effectiveness, and durability, plus easy installation with a standard slotted screwdriver. For best results, pair with corresponding tapped holes or nuts sized for 5/16-18 threads and ensure proper clearance for a flush, secure fit.

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