[100 PKG] Machine Screws Phil Flat 316 Stainless 5/16-18 X 1 1/4

Mutual ScrewSKU: 3120MPF316YW

Price:
Sale price$138.83per 100( $1.39 each)
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 1-1/4
Material Steel
Grade 316
Finish Stainless Steel
Drive Phillips
Head style Flat
Threads per inch 18
Thread style Fully Threaded
Weight 3.0 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

Discover durable, corrosion-resistant fasteners with our Machine Screws Philips Flat Head crafted from 316 stainless steel. The 5/16-18 thread size and 1-1/4 inch length make these fasteners ideal for marine-grade, outdoor, and heavy-duty applications where strength and longevity matter.

Key Features

  • Material: 316 stainless steel for superior corrosion resistance in harsh environments, including saltwater and humid conditions.
  • Head Type: Phillips flat head design for flush mounting in countersunk holes.
  • Thread: Unified National Coarse (UNC) 5/16-18 thread pitch for strong engagement.
  • Length: 1-1/4 inch overall length to suit a variety of assemblies.
  • Finish: Bright, smooth finish that resists wear and staining.

Why choose these machine screws? They combine exceptional strength with corrosion resistance, making them a reliable choice for marine hardware, outdoor enclosures, automotive assemblies, and industrial equipment. They install quickly with a standard Phillips screwdriver, and their flat head creates a clean, professional look while sitting flush against surfaces.

Specifications

  • Material: 316 Stainless Steel
  • Head: Phillips Flat
  • Thread: 5/16-18 UNC
  • Length: 1-1/4 in

Add these stainless steel machine screws to your toolkit for reliable fastening in demanding environments. Order today for fast, corrosion-resistant performance.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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