d1
G1/8A
Threads per inch
28
d2 (h14)
14
s (D12)
5
L ≈
11
G1/4A
19
18
6
15
G3/8A
22
8
G1/2A
26
10
G3/4A
32
12
20
G1.IN.A
39
17
21
G1.1/4A
49
G1.1/2A
55
24
Thread
Driving features
Material
Packaging
Code
G
hexagon socket
St
Standard
07620