PG
METRIC ELECTRICAL THREADS
SIZE
TPI
MAJOR (EXT)
MINOR (INT)
TAP DRILL
PG7
20
12.50
11.28
11.40
PG9
18
15.20
13.86
14.00
PG11
18
18.60
17.26
17.25
PG13.5
18
20.4
PG16
18
22.5
PG21
16
28.3
PG29
16
37.0
PG36
16
47.0
PG42
16
54.0
PG48
16
59.3