5/16"-18 X 2-1/2" Machine Screws | Flat Head | Phillips Drive | 316 Stainless Steel (100/Pkg.)

★★★★★ 4.3 124 reviews

US$81.49
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US$81.49
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Free shipping Free 30-day returns

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Product details

Management number 242059549 Release Date 2026/07/19 List Price US$81.49 Model Number 242059549
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Machine Screws Phil Flat 316 Stainless 5/16-18 X 2 1/2 are precision-engineered fasteners designed for durable, secure mounting in a variety of applications.

316 stainless steel provides exceptional corrosion resistance, making these screws ideal for outdoor, marine, and industrial environments. With a Phillips drive and a flat (countersunk) head, they deliver a clean, flush finish when installed.

  • Size & Thread: 5/16-18 UNC, length 2-1/2" (63.5 mm)
  • Drive Type: Phillips
  • Head Type: Flat Head (countersunk)
  • Material: 316 Stainless Steel
  • Best Uses: Outdoor, marine, and industrial applications where corrosion resistance is critical

Use with corresponding 5/16-18 nuts or threaded holes for a secure, long-lasting fastening solution. Add these premium stainless steel machine screws to your toolkit today.


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