Bolt to floor
swivel chair & stool basesBolt 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.
These particular bolt to the floor swivel chair bases below have a wide variety of setups which can be used. Originally intended as a Jury chair base.
Some features:
Style #515...$115.29. #515 is for Manual Height Adjustment mechanisms-180° Cam not included.
A Cam is required for a chair to have automatic memory return to original position. Other than 180° cams are available by special order.

Heavy Duty intensive Gas bolt down Jury base Style #517...$98.20
All 50 mm size and column diameter COMplete gas cylinders are accepted. Bolt down plate is 1/4" thick plate steel with 6 bolt holes. No hole in floor necessary for cylinder operation.
Optional-automatic self return to starting position (self centering) specialty gas cylinder available.

Non-Rotational and self centering return cylinders available

Use Glossary or Map for Office chair parts