Active Standard: F593 - 13a
Table 3 is listing Option B which is machined specimen for the Rockwell Hardness for the Square and hex bolts and hex cap screws and Studs and other bolts that are less than 2-1/4 D for 3/4-in and less and less than 3D for larger diameters. A machined test specimen is not necesary to perform this test and this should be Option C.
Keywordsbolts; general use; hex cap screws; stainless; studs
Ballot Item Approved as F593-2013A and Pending Publication