Applications: 4140 Alloy Steel Square Bar is noted for its toughness, good torsional strength and good fatigue strength. Machinability of this alloy is good in the annealed condition. In the heat treated and quenched condition machining is best limited to finish grinding. Arbors, Axle Shafts, Bolts, Crankshafts, Connection Rods, Chuck Bodies, Collets, Ejector Pins, Forks, Gears, Guide Rods, Hydraulic Shafts & Parts, Lathe Spindles, Milling Spindles, Motor Shafts, Pinions, Pump Shafts, Spindles, Sprockets, Studs, Tool Holders and Torsion Bars.
Sold in full 20 foot length only.
