Product Overview
Thunderbird A-CR Clamp Ring
12-3/8" O.D.
8" Bolt-to-Bolt [6 Bolt]
Thunderbird A-CR Clamp Ring.
Thunderbird primarily makes copper roof drains.
This is a flat aluminum ring with closed bolt holes.
This is a 6 bolt ring
Dimensions
O.D.: 12-3/8"-in.
Bolt-to-Bolt: 9" Bolt-to-Bolt [6 Bolt, at 180 Degrees]
