60 Degree Thread Calculator - Table Based
Thread Identification (i.e., 1.25"-20 UNC-2A)
"
UNF
UNC
1A (External)
2A
3A
1B (Internal)
2B
3B
Maximum Major Diameter (Table 3 - pg 1716)
Minimum Major Diameter (Table 3 - pg 1716)
Maximum Pitch Diameter (Table 3 - pg 1716)
Minimum Pitch Diameter (Table 3 - pg 1716)
Minor Diameter - REF (Table 3 - pg 1716)