Round tube sled base glides with a rectangular base mount underneath the horizontal runner of sled-base (cantilever) furniture. The PA saddle cradles the Ø 20 mm round tube and provides a smooth, flat floor contact surface. One screw secures the glide to the runner. Rectangular base footprint for stable, non-rocking floor contact.
Not sure what size? See the size chart ↓
📦 Sold in packs of 4 — quantity adjustable at checkout
Sled-base furniture (also called cantilever or U-frame furniture) uses horizontal runner tubes instead of individual legs. The runners contact the floor directly, and without glides, the bare metal tube scratches, scrapes, and damages the floor surface. Round tube sled base glides with a rectangular base mount underneath each runner, cradling the Ø 20 mm tube in a PA saddle and providing a smooth, flat floor contact surface. The rectangular base footprint distributes the chair’s weight across a stable, non-rocking platform that protects the floor and reduces noise.
PA (polyamide) saddle glide for Ø 20 mm round tube sled runners. Round tube sled base glides with rectangular base are sled base glides for round tube furniture that need floor protection and smooth sliding on all hard floors and carpet. One screw mount. L = 25 mm, W = 20 mm. Total height 11 mm. Black and grey. Sold individually.
Both colors share identical dimensions, material, and mounting. Choose the color that best matches your furniture frame finish.
PA body. Ø 20 mm saddle. L = 25, W = 20 mm. 3.6 g. One screw hole (Ø 5.7 mm). For black, dark grey, or dark-finished sled frames.
PA body. Ø 20 mm saddle. L = 25, W = 20 mm. 3.6 g. One screw hole (Ø 5.7 mm). For grey, silver, or light-finished sled frames.
For Ø 25 mm tube: square base glides. For Ø 28 mm with pad slot: square base pad slot. For Ø 20 mm with pad slot: round base pad slot or rectangular base pad slot (two-hole). For clip-on (no screws): clip-on sled base glides. For custom colors, contact Business Solutions.
Sled base furniture has a U-shaped or cantilever frame with two horizontal runner tubes that contact the floor. Without glides, the bare metal runners scratch smooth, hard floors, catch on carpet, and create noise. Sled base glides mount underneath each runner at intervals along its length, lifting the metal tube off the floor and replacing the metal-to-floor contact with a smooth PA-to-floor contact.
The curved upper saddle surface of the glide cradles the round tube. On round tube sled base glides with rectangular base, the saddle is shaped to fit Ø 20 mm tubing. The curve holds the glide in position on the tube and distributes the chair’s weight across the saddle arc rather than concentrating it at a single contact point.
The flat bottom surface contacts the floor. The rectangular footprint (25 × 20 mm) provides stable, non-rocking floor contact. The PA material is smooth, non-scratching, and provides low-friction sliding on all hard floors and carpet. The base distributes the weight that the saddle collects from the tube.
One screw through the Ø 5.7 mm hole secures the glide to the runner tube. The screw passes through the saddle and into the tube wall, locking the glide in position. The hole is centered at 12.5 mm from the base edge for balanced mounting.
Sled base furniture uses a frame design where two horizontal runner tubes extend along the floor, connected by a vertical riser that supports the seat or surface. The runner tubes act as “sleds” that the furniture sits on. This design is common on stacking chairs, conference chairs, waiting room seating, school furniture, and cafeteria chairs.
The horizontal runners contact the floor along their entire length. Without glides, the bare metal tube (usually steel or aluminum) creates a long, narrow contact line that concentrates weight, scratches floors, and generates noise when the chair is moved. Rectangular base sled base chair glides replace this metal contact with smooth PA at multiple points along each runner.
Round tube sled base glides come in several base shapes across the range: rectangular, square, and round. The rectangular base on this product (25 × 20 mm) is the most compact option for Ø 20 mm tubes. The longer dimension runs parallel to the runner tube, providing stable contact along the direction of chair movement. The narrower width keeps the glide from extending visibly beyond the tube sides.
On chairs that slide forward and backward (pushed in and pulled out from a table), the rectangular base provides directional stability. The longer base dimension resists tilting in the sliding direction. Round tube sled base glides with a rectangular base are the standard choice for Ø 20 mm sled furniture where compact, directionally stable floor contact is the priority.
The saddle on round tube sled base glides must match the runner tube diameter. A saddle that is too small will not cradle the tube. A saddle that is too large will rock on the tube and not grip securely. Measure the outside diameter of the horizontal runner tube to confirm Ø 20 mm before ordering.
If your tube measures approximately 25 mm, you need square base glides. If approximately 28 mm, see square base with pad slot. If approximately 30 mm, see rectangular base with pad slot (two-hole). If the runner tube is oval or rectangular (not round), see the oval tube end glides or rectangular tube end glides for the runner ends. Round tube sled base glides are for round tubes only.
Round tube sled base glides wear from the bottom up. The PA base gradually thins from floor contact during sliding. The wear rate depends on the floor surface (rough surfaces wear glides faster), the frequency of movement (classroom chairs wear faster than conference room chairs), and the chair weight (heavier occupants accelerate wear).
Check the glides when the chair starts to wobble, when you see scuff marks on the floor from the runner, or when the gap between the runner tube and the floor has visibly decreased. On heavily used chairs in commercial environments, round tube sled base glides may need replacement every 12 to 24 months. On lightly used residential chairs, the glides may last several years before visible wear requires replacement.
For furniture manufacturers and facility managers, round tube sled base glides should be specified based on the runner tube diameter and the floor type. For Ø 20 mm tubes on standard commercial floors (tile, concrete, laminate), the rectangular base with plain PA contact is the standard specification. For scratch-sensitive floors (hardwood, luxury vinyl), specify a pad slot version instead.
On large institutional orders (schools, hospitals, corporate offices), order replacement round tube sled base glides in bulk alongside the furniture. Having replacement stock on hand means worn glides get replaced promptly rather than waiting for a procurement cycle while bare runners damage the floor. For production quantities, visit Business Solutions.
Installation requires a screwdriver and the appropriate screw (not included). The glide mounts underneath the runner with the saddle cradling the tube and the flat base facing the floor.
Floor protection, noise reduction, and smooth movement on sled base furniture with Ø 20 mm round tube runners. The National Wood Flooring Association (NWFA) recommends protective contact surfaces on all furniture contact points, and sled base glides provide this protection at every point where the runner meets the floor.
The primary function. The PA base replaces the bare metal tube-to-floor contact with smooth, non-scratching PA. On hardwood, tile, luxury vinyl, laminate, and polished concrete, the PA surface prevents the scratching and scuffing that bare metal runners cause. Every time a sled base chair is pushed in, pulled out, or shifted, the glides protect the floor. Cantilever chair glides round tube that prevent floor damage at every movement.
Bare metal runners on smooth, hard floors create scraping and squealing noise when the chair moves. PA glides absorb this contact noise. In conference rooms, cafeterias, classrooms, and offices where dozens of sled base chairs move throughout the day, the cumulative noise reduction from PA glides creates a meaningfully quieter environment. Unlike leaving sled runners unprotected on finished floors, PA glides eliminate the metal-on-floor noise entirely.
PA has a lower coefficient of friction than bare metal on most floor surfaces. Chairs slide in and out from tables more easily with glides than without. The rectangular base provides stable, non-tilting contact during sliding. On carpet, the smooth PA base reduces the fiber-catching that bare metal runners cause.
The glides also protect the runner tube itself. Without glides, the bottom of the tube wears through its finish (paint, powder coat, chrome) from floor contact. The worn finish exposes bare metal to corrosion. The PA saddle lifts the tube off the floor, preserving the tube finish and extending the furniture’s appearance and structural life.
PA (polyamide) body. The same material used across the entire furniture glide and leveling foot range. PA provides the specific combination of mechanical and surface properties that sled base glides require: smooth floor contact, wear resistance, impact resistance, UV stability, chemical resistance, and moisture resistance.
High tensile strength handles the compressive load from the chair weight concentrated at each glide point. Excellent abrasion resistance maintains the smooth base surface through thousands of sliding cycles. Low coefficient of friction provides easy chair movement on all hard floors and carpet. Impact resistance absorbs the shock of chair drops and rough handling in commercial environments. UV and moisture resistance ensure the glides perform in any standard indoor environment.
The sled base glide range includes multiple products for different tube sizes, base shapes, mounting methods, and floor contact types. Choosing the right one starts with the tube diameter and then narrows by base shape and whether a pad slot is needed.
Measure the outside diameter of the round runner tube. Common sizes: Ø 10, 20, 25, 28, and 30 mm. This product fits Ø 20 mm. For other sizes, see the related products section below. Sled runner glides Ø 20 mm for the most common small-diameter sled base chair tube.
Plain PA (this product) provides smooth, low-friction contact suitable for all hard floors and carpet. Pad slot versions accept a PA6 pad for dedicated floor protection on scratch-sensitive surfaces like hardwood and luxury vinyl. If your floor requires the extra protection, choose a pad slot version for your tube size instead.
Conference rooms, schools, universities, hospitals, waiting rooms, cafeterias, and any commercial space with sled base seating on Ø 20 mm runners. In schools and universities where hundreds of chairs slide in and out of desks daily, round tube sled base glides with rectangular base prevent the floor damage that bare runners cause over a semester. In hospitals and healthcare waiting rooms, the smooth PA contact reduces the noise that metal runners create on tile floors, contributing to a quieter patient environment.
Replacement round tube sled base glides keep the chair fleet functional without replacing the chairs themselves. A worn set of glides costs a fraction of a new chair but restores the same floor protection as the original equipment. For chairs that also need self-adhesive glides on other furniture in the same space, both product types use the same PA material for consistent floor interaction. Available for bulk orders. For commercial pricing, visit Business Solutions.
Home office cantilever chairs, dining chairs with sled bases, and any residential sled furniture on hardwood, tile, or luxury vinyl. Even a single sled chair with worn glides can scratch an expensive hardwood floor within days of the glide wearing through to the metal runner beneath. Replacing the glides costs a fraction of repairing the floor. Round tube sled base glides are a preventive maintenance item that protects the floor investment. For scratch-sensitive residential floors where maximum protection is the priority, consider the round base pad slot version with a dedicated PA6 pad for enhanced floor protection beyond what plain PA provides.
Inspect sled base glides periodically for wear. The PA base wears down over time from floor contact during sliding. On chairs that move frequently (conference rooms, classrooms), check every 6 to 12 months. Signs of wear: the base becomes thin or uneven, the chair wobbles, or the runner tube contacts the floor through the worn glide. Replace worn glides immediately to prevent floor damage.
Round tube sled base glides with rectangular base are sold individually. Order the exact quantity that matches the number of glide positions on your furniture. Keep replacement stock on hand for commercial environments where glide wear is a regular maintenance item.
Rectangular Base Pad Slot: two-screw mount with PA6 pad slot. Sold in packs of 4.
| Specification | Details |
|---|---|
Product Type |
Round Tube Saddle Feet Base with Sled Glide |
Materials |
PA (Polyamide) saddle and base |
Floor Compatibility |
Hard floors and low-pile carpet |
Furniture Compatibility |
Sled chairs, waiting room benches, office and classroom seating |
Leg Compatibility |
Ø 20 mm round tubular frames |
Base Size |
25 mm × 20 mm (rectangular base) |
Mounting Style |
Central screw hole (screw not included) |
Color Options |
Black, Grey |
Installation Type |
Press-fit with optional screw securing |
Key Benefits |
Floor protection, quiet movement, secure tube grip |
Indoor / Outdoor |
Indoor | Covered Outdoor | Uncovered Outdoor |
| Tube Diameter (Ø3) | Base Dimensions (L x W) | Hole Center (L1) | Hole Diameter (Ø) | Hole Diameter (Ø1) | Total Height (H) | H1 (Base Height) |
|---|---|---|---|---|---|---|
20 mm (0.79") |
25 mm × 20 mm (0.98" × 0.79") |
12.5 mm (0.49") |
5.7 mm (0.22") |
11 mm (0.43″) |
10 mm (0.39") |
6 mm (0.24") |
A sled base glide is a PA (polyamide) saddle-shaped component that mounts underneath the horizontal runner tube of sled-base (cantilever) furniture. The curved saddle cradles the tube from below, and the flat base contacts the floor. The glide protects the floor from the metal tube and provides smooth, quiet floor contact. Sled base chairs, also called cantilever or U-frame chairs, have runners instead of individual legs.
One screw through the Ø 5.7 mm hole in the saddle, into the runner tube from below. The screw passes through the glide and into the tube wall. Pre-drill the tube if necessary. The saddle shape keeps the glide aligned on the tube during installation.
Measure the outside diameter of the horizontal runner tube with calipers or a tape measure. If it reads approximately 20 mm (about 3/4 inch), this is the correct glide. If the tube is Ø 25 mm, see square base glides. If Ø 28 mm, see square base with pad slot.
This is the plain PA contact version. The flat PA base provides smooth, low-friction floor contact suitable for all hard floors and carpet. For scratch-sensitive floors (hardwood, luxury vinyl) where a dedicated PA6 pad is preferred, see the round base with pad slot or rectangular base with pad slot versions.
Most sled base chairs have two runner tubes (left and right). Each runner typically needs 2 to 4 glides depending on the runner length and the manufacturer’s specification. Check the existing glide positions on your chair. Replace each worn glide with the same size. Common configurations are 2 glides per runner (4 per chair) or 3 per runner (6 per chair).
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