SA320-4 UNC(J)1/4-20 3B
SA320-4 UNC(J)3/8-16 3B
SA320-4 UNC(J)4-40 3B
SA320-4 UNC(J)5/16-18 3B
SA320-4 UNC(J)6-32 3B
SA320-4 UNC(J)8-32 3B
SA320-4 UNC1/4-20 2B
SA320-4 UNC10-24 2B
SA320-4 UNC3/8-16 2B
SA320-4 UNC4-40 2B