4140 Steel Threaded Rods, Grade B7, RH, 7/16"-20 x 3 Foot Length, Pkg of 2 Pcs
These rods are made from chromium-molybdenum AISI 4140 alloy steel. **Length is measured from end to end
Class 2A thread fit
Maximum Rockwell hardness of C35
Minimum tensile strength of 125, 000 psi.