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 3
5/16-18 x 3" Phillips Flat Head Machine Screws Stainless Steel
$11.25
5/16-18 x 3-1/2
5/16-18 x 3-1/2" Phillips Flat Head Machine Screws Stainless Steel
$12.50
5/16-18 x 4
5/16-18 x 4" Phillips Flat Head Machine Screws Stainless Steel
$14.50
5/16-18 x 5
5/16-18 x 5" Phillips Flat Head Machine Screws Stainless Steel
$2.50
5/16-18 x 6
5/16-18 x 6" Phillips Flat Head Machine Screws Stainless Steel
$3.75
5/16-18 Finish Hex Nuts 18-8 / 304 Stainless Steel
5/16-18 Finish Hex Nuts 18-8 / 304 Stainless Steel
$2.50
5/16-18 Nylon Insert Hex Lock Nuts 18-8 Stainless Steel
5/16-18 Nylon Insert Hex Lock Nuts 18-8 Stainless Steel
$4.25
5/16-18 Coupling Extention Nuts 18-8 / 304 Stainless Steel
5/16-18 Coupling Extention Nuts 18-8 / 304 Stainless Steel
$1.25
5/16-18 THIN Nylon Insert Hex Jam Lock Nuts 18-8 / 304 Stainless Steel
5/16-18 THIN Nylon Insert Hex Jam Lock Nuts 18-8 / 304 Stainless Steel
$6.25
5/16
5/16" Flat Washers 18-8 / 304 Stainless Steel
$4.75

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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.