18-8 Stainless Steel Fastener Department  /  Machine Screws 18-8 Stainless Steel  /  Stainless Steel Flat Head Machine Screws  /  5/16-18 Diameter
 

5/16-18 x 1/2
5/16-18 x 1/2" Phillips Flat Head Machine Screws 18-8 / 304 Stainless Steel
$8.50
5/16-18 x 5/8
5/16-18 x 5/8" Phillips Flat Head Machine Screws 18-8 / 304 Stainless Steel
$8.75
5/16-18 x 3/4
5/16-18 x 3/4" Phillips Flat Head Machine Screws 18-8 / 304 Stainless Steel
$9.50
5/16-18 x 1
5/16-18 x 1" Phillips Flat Head Machine Screws 18-8 / 304 Stainless Steel
$9.75
5/16-18 x 1-1/4
5/16-18 x 1-1/4" Phillips Flat Head Machine Screws 18-8 / 304 Stainless Steel
$10.50
5/16-18 x 1-1/2
5/16-18 x 1-1/2" Phillips Flat Head Machine Screws 18-8 / 304 Stainless Steel
$11.50
5/16-18 x 1-3/4
5/16-18 x 1-3/4" Phillips Flat Head Machine Screws 18-8 / 304 Stainless Steel
$12.50
5/16-18 x 2
5/16-18 x 2" Phillips Flat Head Machine Screws 18-8 / 304 Stainless Steel
$14.50
5/16-18 x 2-1/4
5/16-18 x 2-1/4" Phillips Flat Head Machine Screws 18-8 / 304 Stainless Steel
$15.50
5/16-18 x 2-1/2
5/16-18 x 2-1/2" Phillips Flat Head Machine Screws 18-8 / 304 Stainless Steel
$16.50

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5/16-18 Stainless Steel Phillips Flat Head Machine Screws

  • 18-8 Stainless Steel Includes 303 & 304 Grades
  • 5/16-18 Right Hand Thread, UNC 
  • Fully Threaded
  • Rust and Corrosion Resistant
  • Flat Head Machine Screws Are Designed To Sit Flush Once Installed 
  • Standards: ANSI B18.6.3
  • Please View Matching Nuts & Washers Below.