Various Plastic Products



Hard durable plastic overmolded onto the threaded stem allows for easy tightening and loosening of knobs for adjustable height applications such as stools, chairs, telescoping arms.



Round Knob

Stem Bumpers


Economic inserts that act as protective bumpers.



Stem Bumper
drawing of Stem Bumper

click to view larger image

shaft diameter (A)

head diameter (B)





linear / natural

linear / black

vinyl / clear


Weld Cup Plastic Insert


Plastic base that snaps into round weldable shell and acts as a replaceable base.  Usually used on metal outdoor patio furniture.




Weld Cup Plastic Insert

Carpet Gripper


These inserts snap into particular Hank Adjustable Glides and provide a gripping surface that is specially designed for use on carpet. Carpet gripper inserts help prevent furniture from moving freely across the carpeted surface.




Carpet Gripper

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.



Related products:


Injection Molding


Plastic Products


Plastic Knobs





Carpin Manufacturing, Inc
411 Austin Road • P.O. Box 471 • Waterbury CT  06720
Tel: 203-574-2556