Ubiquiti PowerBeam M5 PBE-M5-620 Quick Start Manual page 10

10. Each M10x100 Bolt includes a flat washer, lock washer, and
nut. Remove these and use them to secure the bolts when
assembling.
11. Attach the Stabilizer Brackets to the pole just beneath the
area where the PowerBeam will be attached.
Note:
a Ø 38 - 101 mm pole.
a. Place one Stabilizer Bracket on each side of the pole.
b. Insert the two M10x100 Bolts into the Stabilizer Brackets.
c. Secure each bolt with one flat washer, one lock washer,
and one nut.
The pole-bracket assembly can accommodate
50 N-m