are paired with bolts
. They serve as a barrier, protecting the bolt and surface area from unwanted and additional friction. They also effectively distribute pressure since there is extra surface area to contact with.
A flat washer with 18-8 grading is a popular variation in different industries. An 18-8 grade means that it is comprised of chromium and nickel - 18% for the former and 8% of the latter. This grade is widely used for hardware applications. At MRO Supply, we provide flat washers in grades 18-8, 2, and 5. Talk to our representative for flat washer selection assistance.