Standard “As Drawn” finish is smooth, accurate, and dark in color
Ground & Polished finish provides close tolerances, high accuracies and bright surface.
Rounds Only
Example of Use
Parts you are now heat treating from Rc30 to Rc36.
Tolerances
(Tolerances, in decimals of an inch, provide for undersize variation only)
Rounds:
7/16″ to 1 1/2″ incl.
Over 1 1/2″ to 2 1/2″ incl.
Over 2 1/2″ to 3 1/2″ incl.
0.005″
0.006″
0.007″
* E.T.D. 150® contains additives for improving machinability. These may be Tellurium, Selenium, Sulfur (.06 max), or others, separately or in combination.
** In the event of a disagreement between hardness and tensile strength, the tensile strength shall govern.
