EXTRA THICK GRADE 8 USS FLAT WASHERS are manufactured DOMESTICALLY from medium carbon steel, through hardened (quenched and tempered) to R/C 38-45, and electro zinc plated. They are generally used in extreme heavy duty applications with high strength ASTM A325, A490, and Grade 8 bolts and nuts.
They can be as much as 50% thicker than standard Grade 8 through hardened washers.
(13/16" ID X 2" OD X .170-.195 THK)
50 PER BOX / PRICE PER BOX
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