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5/8 inch flat washer
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5/8 flat washers - 1-3/4" outside diameter, 11/16" inside diameter
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5/8" steel galvanized flat washer
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flat washer for 5/8 inch screws and bolts
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5/8 inch round plain washer fasteners

5/8" Flat Washer (SAE) for Screws, Bolts - Galvanized Steel

  • $23.00
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The Secret Weapon for Stronger Screws and Bolts

This 5/8" Flat Washer (also known as a plain washer) is designed for secure project connections. Made from sturdy electro-galvanized steel, these round washers feature an inner diameter of 11/16" and an outer diameter of 1-3/4", making them ideal for use with 5/8 inch bolts or screws. Great for general applications, this versatile washer is an essential addition to your toolbox.


Specs

  • Material: Steel
  • Coating: Electro Galvanized
  • Flat Type: Plain
  • Measurement Standard: SAE
  • Outside Diameter (OD): 1-3/4 inch
  • Inside Diameter (ID): 11/16 inch
  • Weight: 0.01 lbs (6 grams) 
  • Thickness (Gauge): .06 inch 

Features

  • Compatible With 5/8 inch Bolts or Screws to ensure proper fit and secure installation.
  • Dimensions: Outside diameter 1-3/4", inside diameter 11/16".  Each metal washer weighs 0.21 oz. (.01 lbs.) and is .06" thick.
  • Evenly Distributes Loads: This SAE flat washer is designed to evenly distribute the load of bolts or screws over a larger surface area.
  • Prevents Loose Screws and Bolts caused by vibration and prevents bolts or screws from pulling through. Additionally, these washers can also serve as spacers.
  • Electro Galvanized Steel Finish: For extra protection from rust and corrosion. Reuse these for multiple projects if needed.
  • Type: SAE Flat Washers. 

FAQ

What is a flat washer used for?

Flat washers, are a type of plain washer fastener, that are shaped like circular discs with a center hole used for various purposes with bolts, screws, and nuts.

  • load distribution
  • surface protection
  • gap bridging: help fill the space if the hole is slightly larger than the fastener's diameter

What is the difference between USS and SAE flat washers?

Both USS (United States Standard) and SAE (Society of Automotive Engineers) flat washers are commonly used, yet they have distinct differences.

  • Dimensions: The outer diameters of SAE washers are thinner and smaller than those of USS washers in the same nominal size, while their profiles are also thinner.
  • Applications: USS and SAE washers have different applications - USS is commonly used in general construction and structural projects, while SAE is more prevalent in automotive and machinery due to its smaller size and thinner profile.

Zinc vs Galvanized Washers

Both zinc and galvanized washers are treated with a zinc coating to prevent rust, but the difference lies in the thickness of the coating.

  • Zinc-plated washers have a thinner layer of zinc coating, offer some rust protection.
  • Galvanized washers have a much thicker layer of zinc coating, providing more rust and corrosion resistance, better for tougher conditions.

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