0.500 (1/2 inch) x 36 inches (3 Pack), 4340 Alloy Steel Round Rod, Annealed, CF
Alloy Steel 4340 is a nickel-chromium-molybdenum alloy steel that demonstrates good toughness and good fatigue resistance. When heat treated, 4340 Alloy steel maintains good wear resistance along with good atmospheric corrosion resistance.
