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GO TO:

Heavy Duty
Tube Connectors
Male Heavy Duty
Tube Connectors
Light Duty
Tube Connectors
Expansion
Connectors

 

 

Tube Connectors

Available in a variety of thread sizes and for almost any tubing size, Carpin Tube Connectors are the perfect solution for connecting tubing to to other tubing or to virtually anything.  Also, to eliminate the costly labor intensive process of fish-mouthing or welding, Carpin's patented expansion connectors are perfect for joining tubing in a T-style joint.  Whether the application is in furniture, shelving, display racks, RV ladders, ductwork and duct support rods including electrical conduit tubing, Carpin has the tube connector for your application.  If you do not see it here please call or e-mail us and our customer service team will help you find the right tube connector for your application. 

heavy duty tube connectors - round Tube Connectors, Heavy Duty HEAVY DUTY
TUBE CONNECTORS

TUBE CONNECTORS -- SERIES: 110

TUBE SIZE
(fits round or square tube)

WALL THICKNESS

THREAD

 5/8" 

19 GA

 25 GA


1/4-20

10-24
 

3/4"  

16-18 GA

 20-22 GA


10-24

1/4-20

5/16-18

M6 X 1.0
 

7/8"

16-18 GA


10-24 

1/4-20

5/16-18

M6 X 1.0

 3/8-16
 

1"

16-18 GA

 20-22 GA


10-24

1/4-20

5/16-18

M6 X 1.0

1/8-27

3/8-16
 

1" (square only)

18-20 GA


10-24

1/4-20

5/16-18

M6 X 1.0
 

1-1/8"


12-14 GA

16-18 GA

20-22 GA
 

10-24

1/4-20

5/16-18

M6 X 1.0

1/8-27

3/8-16

1-1/4"


16-18 GA

20-22 GA
 

1-5/16"


15 GA

16-18 GA
 

1-3/8" 


16-18 GA

20-22 GA
 

1-1/2"

1-5/8"

16-18 GA

1-3/4"

2"


11-12 GA

14-16 GA

16-18 GA
 


Custom threads are available upon request. 

All connectors are spring tempered and rust-inhibited.

 

Male Tube Connectors, electrical conduit Male Tube Connectors, Heavy duty MALE HEAVY DUTY
TUBE CONNECTORS

TUBE CONNECTORS -- SERIES: 112

TUBE SIZE
(fits round or square tube)

WALL THICKNESS

THREAD

3/4"  

16-18 GA

 20-22 GA

1/4-20

7/8"

16-18 GA

1/4-20

1"

16-18 GA

 20-22 GA


1/4-20

5/16-18

3/8-16
 

1-1/8"


12-14 GA

16-18 GA

20-22 GA
 


1/4-20

5/16-18

3/8-16
 

1-1/4"


16-18 GA

20-22 GA
 

1-5/16"


15 GA

16-18 GA
 

1-3/8" 


16-18 GA

20-22 GA
 

1-1/2"

1-5/8"

16-18 GA

1-3/4"

2"


11-12 GA

14-16 GA

16-18 GA
 


Custom threads are available upon request. 

All spring clips are spring tempered and rust-inhibited.
Threaded stems are zinc plated.

 

Light duty tube connectors LIGHT DUTY
TUBE CONNECTORS

TUBE CONNECTORS -- SERIES: 550

TUBE SIZE
(fits round or square tube)

WALL THICKNESS

THREAD

5/8"


16-18 GA
 
 10-24

3/4" 


16-18 GA

20-22 GA
 

10-24

1/4-20

13/16" 

16-18 GA

7/8"

1" 


16-18 GA

13 GA

20-22 GA
 

1-1/4" 


16-18 GA
 

 
All connectors are spring tempered and rust-inhibited.

 

Expansion Connector, Tube connectors Expansion Tube Connectors HEAVY DUTY
EXPANSION
T-CONNECTORS

Series 114:
7/8" to 1"@ 5° offset w/(1) clip & (1) nut shown

Tube Connectors, Expansion Expansion, Tube Connectors FLUSH MOUNT
EXPANSION
T-CONNECTORS

Series 117:
7/8" to 1" @ 90° w/(1) clip shown

TUBE CONNECTORS -- SERIES: 114, 117

SERIES CONNECTS
TUBING
FLUSH OR INSERTS THREAD
SIZE
MECHANICS
114 7/8" to 1"
5
° OFFSET
Tube O.D inserts into expansion connector 10-24
Steel Spring Clip with a 10-24 Nut

Steel Threaded Spring Clip
 

117 7/8" to 1"
90
°
Tube O.D. is flush with expansion connector 10-24

Call for special applications.
Click here to find out more about our expansion connectors.