ASME B 18.2.1 - 2010
Display drawing:
Screw Thread | 1/2 | ||
Thread Size | 1/2 | ||
D | 0.5 | ||
PP | UNC | 13 | |
PP | UNF | 20 | |
Ds | Max | 0.5 | |
Ds | Min | 0.493 | |
S | Basic | 3/4 | |
S | Max | 0.75 | |
S | Min | 0.736 | |
E | Max | 0.866 | |
E | Min | 0.825 | |
Dc | Max | 1.07 | |
C | Min | 0.08 | |
K | Max | 0.51 | |
B | L≤6 | 1.25 | |
B | L>6 | 1.5 | |
R | Max | 0.025 | |
R | Min | 0.025 |