One half of a combination fitting. This can also be used for attaching flat panels to tubular structures. Ø indicates bolt hole diameter.
Nominal Pipe Size
inches
Bolt Hole
lbs
Type
A
B
C
D
E
F
G
H
Ø
M51-5
3/4"
1.57
1.50
0.75
0.73
M51-6
1"
1.69
0.84
M51-7
1 1/4"
1.89
1.77
1.01
M51-8
1 1/2"
2.13
1.06
M51-9
2"
2.44
2.05
