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Due to a manufacturer's price increase, this price will increase by 5% on 06/15/21

Other Available Colors:

  • Chip- and crack-resistant hardboard seat
  • Durable 18 gauge 7/8" steel tubing with versatile black coloring
  • Chrome-plated height inserts adjust in 1" increments
  • Adjustable backrest moves up/down and forward/back
  • Foot ring with four contact points at each leg for stability
  • Integrated self-leveling steel glides
  • 300 lb. weight capacity
  • Some assembly required
UPC Code: 604747621810
Shipping: Usually Ships in 1-2 Business Days

Other Products from this Line

National Public Seating 6200 Series Round Lab Stool

National Public Seating 6200 Series Round Lab Stool

The 6200 series heavy-duty lab stool provides a rugged solution for labs, art rooms, or anywhere institutional grade stools are required. Available in 18, 24, or 30” heights with adjustable legs and backrest options, this stool is made of 7/8” 18 gauge steel, powder-coated in gray or black and is fitted with a 14” mason height cardboard seat that won’t crack or warp. The foot ring has an exclusive 4 weld system for added durability, oversize plastic glides come standard, and the adjustable height version is equipped with self-leveling metal glides. The series 6200 is tested to support up to 300 pounds, as per ANSIBIFMA standards. It is also MAS certified green and eligible for earning credits in many sustainability programs. In use in thousands of institutions nationwide, the 6200 series is the workhorse of the industry.

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Built to last, the 6200 series heavy-duty lab stool is perfect for your art room or science lab. Available in a variety of heights with adjustable backrest and leg options, you’ll be able to accommodate all your guests with ease.

National Public Seating 6218HB-10 Specs
Width 14 - 16 Inches
Height Style Counter Height
Seat Height 19 - 27 Inches
Seat Diameter 14 Inches
Adjustable Yes
Capacity 300 lb.
Color Black
Frame Material Steel
Gauge 18 Gauge
Padded Seat No
Seat Material Hardboard
Shape Round
Type Stools
With Back Yes

National Public Seating 6218HB-10 Details

Provide versatile, practical seating for your science hall, art studio, music room, or classroom with the National Public Seating 6218HB-10 18" adjustable black round hardboard lab stool. This chair features height adjustable legs that can be adjusted 1" increments up to 8 additional inches, allowing for unparalleled customization to meet your application's specific needs. Designed to ensure long-lasting use, a 14" diameter seat pan is fitted with an 11 1/2" diameter hardboard seat for exceptional comfort, while it is also secured with 8 metal rivets to protect against warping, cracking, and chipping.

For maximum stability, durable 18 gauge steel legs are welded to the foot ring at four contact points per leg, and each leg is capped with a non-marring polypropylene glide for easy movement and scratch resistance. Plus, an included backrest has a 6" x 12" support area and can be adjusted in 2" increments up, down, forward, or backward to create a customized seat that your students and guests will love.

Overall Dimensions:
Width: Adjustable from 14" to 16"
Height (with backrest): Adjustable from 32" to 41 1/2"
Seat Diameter: 14"
Seat Height: Adjustable from 19" to 27"
Capacity: 300 lb.

Because this item is not stocked in our warehouse, processing, transit times and stock availability will vary. If you need your items by a certain date, please contact us prior to placing your order. Expedited shipping availability may vary. We cannot guarantee that this item can be cancelled off of the order or returned once it is placed.

  • MAS Green Product

    MAS Green Product

    This product is certified by the Materials Analytical Services organization as having low volatile organic compound emissions.

Resources and Downloads for
National Public Seating 6218HB-10

Spec Sheet Specsheet Warranty Warranty Assembly Instructions Assembly Instructions

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Customer Reviews

  • Overall User Rating: National Public Seating 6218HB-10 19" - 27" Adjustable Black Round Hardboard Lab Stool with Backrest

    5.0 stars from 1 review


    People Talk About:

    height counter great made low leg fit faulty due correct
    We purchased three of these stools for counter height seating. Our counter height is a low 35.5", so the adjustable height (both the back and seat) of this item made it a great fit. They are a great buy for the price and surprisingly comfortable. I initially had trouble with assembly due to a faulty leg - but a replacement part was swiftly shipped out to correct the issue.

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