Heavy Hex Nut A563 Gr A Zinc
By A Mystery Man Writer
ASTM A563 Grade A Heavy Hex Nut. Low carbon steel. Zinc Plated. Coarse thead (UNC). Note: WAF stands for width across flats.
9/16-12 A563 Grade A Heavy Hex Nut Hot Dipped Galvanized
A563-DH HEAVY HEX STRUCTURAL NUT HOT DIP GALVANIZED
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320200