Carpin offers various plastic threaded inserts that convert the end of a metal tube into a receptacle capable of accepting threaded stems or rods in standard sizes ranging from 1/4-20 up to 3/8-16.
Our plastic threaded inserts are manufactured with a high quality plastic base along with a nut/receptacle that is made of either plastic or metal.
In addition to standard plastic threaded inserts, Carpin also designs and manufactures custom designed products. Shown below is a just small sampling of our custom design, manufacturing, and assembly capabilities to produce all sorts of plastic threaded inserts.
Plastic threaded insert for 1” square tubing, 1/4-20
Plastic threaded insert for 1” square tubing, 1/4-20
Plastic threaded insert for 1” square tubing, 5/16-18
Plastic threaded insert for 1” square tubing, 5/16-18
Plastic threaded insert for 1” round tubing, 1/4-20
Plastic threaded insert for 1” round tubing, 5/16-18
Plastic threaded insert for 1”x 2” rectang. tubing, 5/16-18
Plastic threaded insert for 3/4”x 1-1/2” rectang. tubing, 5/16-18
Plastic threaded insert for 3/8” round hole, 1/4-20
Plastic threaded insert for 7/16” round hole, 1/4-20
Plastic threaded insert for 7/8” round tubing, 3/8-16
Plastic threaded insert for 3/4” round tubing, 1/4-20
Other sizes are available upon request
1”
1”
1”
1”
1”
1”
1x2”
3/4”x 1-1/2”
3/8” ID hole
7/16” ID hole
7/8”
3/4”
1/4-20
1/4-20
5/16-18
5/16-18
1/4-20
5/16-18
5/16-18
5/16-18
1/4-20
1/4-20
3/8-16
1/4-20
steel nut
steel nut
steel nut
tapped nylon
steel nut
steel nut
steel nut
steel nut
tapped nylon
tapped nylon
tapped nylon
tapped nylon
16 ga
18 ga
16 ga
18 ga
16 ga
16 ga
16 ga
16-18 ga
16 ga
16 ga
tube (A)
thread (B)
tube wall thickness
thread material
In addition to the standard configurations shown above, Carpin can customize a solution to meet your specific application requirements. Please contact us today to learn more.