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Heavy Duty Replacement Office Chair Swivel Tilt Control Seat Mechanism w/ 6" x 10.2" Mounting Holes - S2979-HD Black

Heavy Duty Replacement Office Chair Swivel Tilt Control Seat Mechanism w/ 6" x 10.2" Mounting Holes - S2979-HD Black

Q: does gas lift come with metal seat

Usuall not, sold separately since gas lift can wear out before lift etc.

Q: my less than a year old office chair tilts to the right ... {grrrrr-!} will this heavy duty office chair swivel make it straight again???

As long as the issue you are having has to do with the metal of the swivel being broken in some way. Yes it should fix that issue if it doesn't have to do with your chair base being bent or the rollers (wheels) being broken or bent ether. I have had 2 different office chairs have the metal plate of the swivel crack or break and have had the cross bar in the middle of it break as well. This issues have caused my chairs to also lean to the side or forward. Replacing it with this will fix those issues. Just make sure that the screw/bolt holes are the right distance apart for your chair. Make sure to measure it on your chair. Just flip it over and use a tape measure check the distance between them from side to side and the distance from the front set of holes to the back set of holes as well. Some chairs have different hole positions but many are the same. If your bolts heads are to narrow get some large washers to help fix that issue too.

Q: Does it come with hold-down bolts? If not, where can I get them?

We dont provide the bolts/screws for mounting, since the industry did not standardize on size. The most common size used is 1/4-20 type. Some manufacturers also use metric bolts. Ace Hardware sells both types of bolts in different lengths.

Q: My swivel plate is exact;y 10" x 6". should fit i assume. what is the significant of the 2.5" inner hole margin? mine is 1.25" only.

Yes as far as fitting, the mounting holes are oversized and there is approx 3/16” leeway, so it will mount on an exact 6x10 holes just fine. The 2 holes in the back of the mechanism are important as 2 screws to mount the back post go through those holes on some model chairs. If your back post is mounted directly on the seat not requiring those holes, then you dont need to worry about it david

Product ID: 480804323

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Details

Brand
Colour
Black
Size
10.2" x 6"
Back style
Solid Back
Special feature
Swivel

💪Supports up to 500 lbs capacity

📏10.2" x 6" mounting hole pattern

⚙️Heavy-duty alloy steel build

Description

💼 Upgrade your throne: heavy-duty comfort meets precision control!

BUILT TO LAST - Heavy-duty alloy steel construction ensures durability and long-lasting performance under intense daily use.
PRECISION FIT - Standard 10.2" x 6" mounting hole pattern guarantees seamless compatibility with a wide range of office and executive chairs.
LOCK UNLOCK TILT - Innovative push-pull lever lets you lock your preferred tilt angle or unlock for dynamic movement, enhancing ergonomic support.
MAX LOAD CONFIDENCE - Engineered to safely support up to 500 lbs, empowering you with robust stability and peace of mind during long work sessions.
EFFORTLESS ADJUSTMENTS - Single lever gas cylinder activation and twist hand wheel for smooth height and tilt tension control—customize your comfort instantly.

This heavy-duty replacement office chair tilt mechanism features a robust alloy steel frame with a 10.2" x 6" mounting hole pattern, designed to fit most office chairs. Rated to support up to 500 lbs, it offers a single lever for gas lift height adjustment, a push-pull tilt lock, and a twist hand wheel for customizable tilt tension—perfect for professionals demanding durability and ergonomic flexibility.

Specifications

Colour	Black
Package Dimensions	37.39 x 35.28 x 14.2 cm; 3.69 kg
Is assembly required	No
Assembly type	Already Assembled
Primary material	Alloy Steel
Type of wood	Alloy Steel
Finish type	Painted
Style	Modern
Capacity	10.2" x 6"
What is in the box?	Mounting Bracket
Item shape	Rectangular prism with cylindrical components
Mattress comfort	Metal
Care Instructions	Wipe Clean
Shipping weight	3.69 Kilograms
Item Model Number	S2979-HD
Manufacturer	chairpartsonline
Item model number	S2979-HD
ASIN	B072YFNQSR

Have a Question? See What Others Asked

does gas lift come with metal seat

my less than a year old office chair tilts to the right ... {grrrrr-!} will this heavy duty office chair swivel make it straight again???

Does it come with hold-down bolts? If not, where can I get them?

My swivel plate is exact;y 10" x 6". should fit i assume. what is the significant of the 2.5" inner hole margin? mine is 1.25" only.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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