Maxpro South, Inc.
92 Wilson Road
Humble, Texas 77338

Toll Free: 800.203.8063
Phone: 281.351.8880
Email: sales@maxprosouth.com
Website: www.maxprosouth.com
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Couplings are female to female fittings that allow the joining of two different sizes and/or types of connections for a variety of size combinations. All couplings and adapters are made of 316 cold worked stainless steel material; other materials are available upon request. Glands and collars are included with each female tube connection.
Coupling (Female to Female)
Unit of Measure
1 2 3 4 5 

Item #

Female Connection Tube Size A

Female Connection Tube Size B

Thumbnail

CAD

21F16M6H N/A 1 in N/A 3/8 in

N/A
65F4H6H N/A 1/4 in N/A 3/8 in

N/A
65F6H N/A 3/8 in N/A 3/8 in

N/A STEP File for 65F6H
21F4M9H N/A 1/4 in N/A 9/16 in

N/A STEP File for 21F4M9H
21F6M9H N/A 3/8 in N/A 9/16 in

N/A
21F9M9H N/A 9/16 in N/A 9/16 in

N/A STEP File for 21F9M9H
21F12M9H N/A 3/4 in N/A 9/16 in

N/A
21F16M9H N/A 1 in N/A 9/16 in

N/A
65F4H9H N/A 1/4 in N/A 9/16 in

N/A
65F6H9H N/A 3/8 in N/A 9/16 in

N/A
65F9H N/A 9/16 in N/A 9/16 in

N/A STEP File for 65F9H
21F4M5U N/A 1/4 in N/A 5/16 in

N/A
21F6M5U N/A 3/8 in N/A 5/16 in

N/A
21F9M5U N/A 9/16 in N/A 5/16 in

N/A
21F12M5U N/A 3/4 in N/A 5/16 in

N/A
21F16M5U N/A 1 in N/A 5/16 in

N/A
65F4H5U N/A 1/4 in N/A 5/16 in

N/A STEP File for 65F4H5U
65F6H5U N/A 3/8 in N/A 5/16 in

N/A
65F9H5U N/A 9/16 in N/A 5/16 in

N/A STEP File for 65F9H5U
152F5U N/A 5/16 in N/A 5/16 in

N/A STEP File for 152F5U
15F4M2P N/A 1/4 in N/A 1/8 in

N/A STEP File for 15F4M2P
15F6M2P N/A 3/8 in N/A 1/8 in

N/A
15F9M2P N/A 9/16 in N/A 1/8 in

N/A
15F12M2P N/A 3/4 in N/A 1/8 in

N/A
15F16M2P N/A 1 in N/A 1/8 in

N/A
Unit of Measure
1 2 3 4 5