Tilt and Swivel metal Desk Chair Base

A great 23 1/4" swivel and tilting chair base at a great price for up to medium sized chairs...and so easy to maneuver. Buffed aluminum on top gently turning downward at the leg tip to a smooth Black powder coating on each leg side. Enhances any home/office or office decor. Complete as shown with Gas Column and Carpet Casters. As always, we recommend a low cost bearing kit with every Gas Base purchase.

Standard sized (1.102) Gas cylinder not included

Gas cylinder Replacement
 5 star Base

27" diameter for up to large executive size swivel chairs. Strong, thick Aluminum casting with extra large center stress rib. Base is delivered exactly as shown, including 2" Nylon carpet barrel Casters and painted steel center column. Fits all standard 1" (1.102) diameter Gas Cylinders.
Meets and exceeds ANSI/BIFMA quality testing
Enhanced design in any Home or Office
Molded Casters to match leg tips
Optional mat castor

Tilting office Swivel chair replacement Wood chair Base

A handsome styled wood office swivel chair base for Gas operation which compliments any decor at your Home or Office. This 27" dia. unfinished wood cap swivel chair replacement base fit's up to large sized chairs. *Leg caps are solid Red Oak wood, securely screwed to a Black powder coated T-section all metal supporting underbase. The lower than usual wood base cost reflects the savings of your finishing the wood caps. 2" Carpet Casters and Column are already included in this cost, so there is nothing else to buy! Meets or exceeds BIFMA/ANSI rigorous use testing. Fit's every industry standard 1.102 Gas Cylinder.
*Leg caps are unfinished.
We recommend a Bearing Kit with any new gas base purchase.

Traditional Gas Wood Base

Over 27" in diameter combined with 5 leg safety gives any Executive swivel chair maximum stability. Solid wood caps over welded 1/4" thick plate steel create a strong solid stable platform on virtually any office swivel chair. Whether you choose 2 3/8" Carpet Casters or Mat Casters, you can be assured of smooth uninterrupted movement providing form and function.
Features: 
Solid hardwood caps
Solid steel underbase
Black 4 section telescope
Hub column with hub liner
Accepts standard 1.102" Gas cylinders 

Gas Underbase

Requires 11 3/4" of wood from rearmost edge of leg to center of castor hole

Gas underbase includes special Hub center column, Gas Hub liner, Tenneman (10) leg base clips & 4 section Telescope. Clips and Telescope not shown.
Optional--Style #107 Gas cylinder, and Bearing kit #108.

Bolt to floor swivel chair bases are chiefly used when a stationary chair is desirable. Idea development, special purpose chair, stool, or for use on stationary or portable table base systems. The main thrust of this web page is to show the two available bolt down bases and a few examples of their versatility in adaptation to a particular application.

This particular bolt to the floor swivel chair base below has a wide variety of setups which can be used. Originally intended as a Jury chair base.
Some features:
Automatic self return
Use with any Manual mechanism offered. Style #01 475 recommended.
7" and 9 1/4" standard heights, others can be special ordered\
360 degree swivel or,
Many choices of left and right swivel stopping points. Examples in degrees are, 45 left/right, 60 left /right, 90 left/right.
Heavy duty steel construction

Cast aluminum gas model is shown, but equally at home with an Manual height adjustment. Bar stools (special foot rings available), drafting stools and a large variety of custom applications. Gas cylinders can be rotational or non-rotational, as often used for tables and portable stand-up warehouse or other facility documentation working surfaces.

45mm column tube is available in standard stock lengths or custom sized to suit specific requirements. Select from a variety of finishes or chromed steel. For seating uses, many manual style swivel and tilt mechanisms are also available for this bolt down base configuration.