2-4.5 A563 GRADE A HEAVY HEX NUT

Qbh ASTM A563 A Grade HDG Carbon Steel High-Strength Heavy Hex Hexagonal Hexagon Nuts - China Nut, Hex Nut

ASTM A563 HDG Carbon Steel High-Strength Heavy Hex Hexagonal Hexagon Nuts - China Nut, Hex Nut

ASTM A563 Hex Nuts SA 563 grade A/B/C 10S heavy jam lock nut

Decker - Hex Nuts

ASTM A563 HDG Carbon Steel High-Strength Heavy Hex Hexagonal Hexagon Nuts - China Nut, Hex Nut

HEAVY HEX NUT ASTM A563 – SJS Enersol

Fasteners Direct

2 -4.5 PLAIN FINISH HEAVY HEX NUT A563 GRADE A

Heavy Hex Nuts ASTM A563 Heavy Hex Nuts

ASTM A563 Grade A Heavy Hex Nuts