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Pad Slot Round Tube Plugs

Pad slot round tube plugs combine a press-fit PE plug body with a recessed channel in the head that accepts a PA6 needle-punched fiber pad. The plug seals the tube end. The PA6 pad protects hard floors from scratching. Two functions in one product. Same flexible ribbed PE body as the flat head range. Same press-fit installation. PA6 pad tube plugs for furniture with hollow round legs on hardwood, tile, laminate, vinyl, and stone. 2 sizes: Ø 22 mm (1.5 to 2 mm wall) and Ø 28 mm (1 to 2 mm wall). Black and grey. Sold in multiples of 4.

$0.73$0.80

4 = 1 chair · 8 = 2 chairs · 24 = 6 chairs

Item Number Not Available Product Type Features ,

Not sure what size? See the size chart ↓

📦 Sold in packs of 4 — quantity adjustable at checkout

Overview

Pad Slot Round Tube Plugs

Standard tube plugs seal the tube and provide basic PE floor contact. That is enough for many applications, but it is not enough for hardwood, engineered wood, or any floor where scratches show. Pad slot round tube plugs add a recessed channel in the head that accepts a PA6 needle-punched fiber pad. The plug seals the tube. The PA6 pad protects the floor. Two functions in one press-fit product. The same PA6 surface used in all our furniture glides and self-adhesive pads, integrated directly into the plug head instead of applied separately.

2 sizes: Ø 22 mm (1.5 to 2 mm wall) and Ø 28 mm (1 to 2 mm wall). Black and grey. Same PE body and flexible ribbed grip as the flat head range. Same press-fit installation. Pad slot round tube plugs are tube plugs with floor protection built in. PA6 pad tube plugs for furniture on hard floors where every scratch shows. Sold in multiples of 4.

Available Sizes: 2 Pad Slot Round Tube Plugs

Pad slot round tube plugs are available in two sizes that cover the most common chair and stool tubing specifications. Both sizes include the recessed PA6 pad channel in the head. The right pad slot plug matches your tube’s outside diameter (OD) and wall thickness.

Ø 22 mm

Wall thickness: 1.5 to 2 mm. The smaller size for lightweight dining chairs, side chairs, and office seating with hollow round legs. Pad slot round tube plugs in this size fit the most common lightweight residential and commercial tubing. Available in black (RAL 9005) and grey (RAL 7040).

Ø 28 mm

Wall thickness: 1 to 2 mm. The larger size for heavier commercial chairs, bar stools, restaurant seating, and institutional furniture. Pad slot round tube plugs in this size handle the heavier tubing common in hospitality and commercial environments. Available in black (RAL 9005) and grey (RAL 7040).

For other diameters with basic PE floor contact, flat head round tube plugs come in 26 sizes from Ø 10 mm to Ø 80 mm. For anti-slip grip instead of sliding, anti-slip TPE round tube plugs are available in Ø 28 mm. For custom pad slot sizes, contact Business Solutions.

How to Measure Your Tube for Pad Slot Round Tube Plugs

Same two-measurement process as all tube plugs: outside diameter (OD) and wall thickness. Pad slot round tube plugs require either Ø 22 mm (1.5 to 2 mm wall) or Ø 28 mm (1 to 2 mm wall). If your tube does not match these specifications, use a flat head plug and add a separate self-adhesive pad for floor protection.

Step 1. Measure the OD

Use calipers or a ruler across the widest point of the tube opening. Outside edge to outside edge. The OD must be Ø 22 mm or Ø 28 mm for pad slot round tube plugs to fit.

Step 2. Measure the wall thickness

Use calipers at the tube end, or calculate: (OD minus ID) / 2. Ø 22 mm requires 1.5 to 2 mm wall. Ø 28 mm requires 1 to 2 mm wall.

Step 3. Confirm both match

Both OD and wall thickness must fall within the listed range. A pad slot round tube plug sized for Ø 22 mm / 1.5 to 2 mm wall will not grip properly in a Ø 22 mm tube with 1 mm walls.

Floor-contact application: pad slot round tube plugs are designed for floor-contact legs where the PA6 pad needs to touch the floor surface. Measure the legs that contact the floor. For visible, non-floor-contact tube ends on the same furniture, use flat head plugs or a decorative head style.

How to Install Pad Slot Round Tube Plugs

Same press-fit installation as all our tube plugs. The pad slot head does not change the process. Pad slot round tube plugs press in by hand at both available wall thicknesses. A rubber mallet provides extra seating force if needed.

What you need
  • The correct pad slot round tube plug matched to your OD (Ø 22 or Ø 28 mm)
  • A rubber mallet (optional, for snug fits)
  • Clean, dry tube ends free of burrs or sharp edges
Installation steps
  1. Inspect the tube end. Remove any burrs, sharp edges, or debris from the inside of the tube opening.
  2. Verify the PA6 pad is seated in the recessed channel. It should sit flat in the slot with the fiber surface facing outward (toward the floor).
  3. Align the pad slot round tube plug with the tube opening. The PA6 pad faces outward. The ribbed body faces into the tube.
  4. Press the plug into the tube by hand. The flexible ribs compress as the plug enters, then expand against the inner wall. Push until the head sits flush with the tube edge.
  5. Set the furniture back down. The PA6 pad contacts the floor immediately. No cure time needed.
Pad replacement: when the PA6 pad wears, remove it from the recessed channel, clean the slot, and press a new pad insert in. The PE plug body stays in the tube. You replace the wear surface, not the entire plug. This makes pad slot round tube plugs more economical over time than full plug replacement.

What Pad Slot Round Tube Plugs Solve

Every benefit of a standard tube plug, plus dedicated hard-floor scratch protection from the same PA6 fiber used across our entire glide and pad range. The National Wood Flooring Association (NWFA) recommends protective pads on all furniture legs as a first line of defense for hardwood. Pad slot round tube plugs meet that recommendation with integrated PA6 protection on hollow metal legs.

Hard-floor scratch protection

The primary advantage over standard flat head plugs. The PA6 pad provides the same low-friction, scratch-free floor contact as our self-adhesive furniture glides and pads. On hardwood, engineered wood, laminate, vinyl, tile, and polished concrete, the PA6 surface glides quietly without scratching, scuffing, or marking. Pad slot round tube plugs are pad slot furniture leg plugs that turn basic tube sealing into active floor protection. Unlike leaving metal or bare PE on hard floors, the PA6 pad prevents damage at the source.

Tube sealing and moisture protection

Same sealed end as every other plug in the range. The pad slot design does not compromise the seal. Moisture, debris, and insects are kept out of the tube interior. On steel tubing, this prevents internal corrosion. Pad slot round tube plugs provide hard floor protection on the outside and corrosion protection on the inside.

Noise reduction

PA6 is quieter than PE on hard floors. The needle-punched fiber absorbs contact noise that the harder PE surface transmits. In restaurants, cafeterias, offices, and conference rooms where chairs move constantly, pad slot round tube plugs reduce both scraping noise and the metallic ring that hollow tubes amplify. Round tube plugs hard floor protection that also reduces noise.

Integrated design, replaceable pad

The PA6 pad sits in a recessed channel that holds it mechanically. It cannot shift, peel, or fall off the way a self-adhesive pad applied to a flat plug head can. When the pad wears, replace just the pad insert. The plug body stays in the tube. Pad slot round tube plugs combine the convenience of a press-fit plug with the floor performance of our dedicated PA6 products.

Materials and Construction

Three components in one product. The PE body press-fits inside the tube. The recessed head channel holds the PA6 pad. The PA6 pad contacts the floor. Pad slot round tube plugs combine proven tube-sealing engineering with the floor protection material used across our entire product range.

PA6 Needle-Punched Pad Insert Floor contact surface

The same PA6 needle-punched polyamide 6 fiber used in all our furniture glides and self-adhesive pads. Fibers mechanically interlocked by needle-punching, not laminated with adhesive. Low friction, chemically inert, deflects debris instead of trapping it. The floor protection tube plugs in this design use PA6 to provide scratch-free floor contact on every smooth hard floor type: hardwood, tile, laminate, vinyl, polished concrete, marble and granite (polished), cork, and linoleum.

  • Same PA6 fiber as our furniture glides and self-adhesive pads
  • Low coefficient of friction: quiet, smooth sliding on hard floors
  • Chemically inert: will not react with floor sealers, wax, or cleaning products
  • Replaceable: worn pad inserts can be swapped without removing the plug
PE Body with Recessed Head Channel Plug body and pad retention

The PE body is identical to the flat head range, with one modification: the head has a recessed channel molded into it that holds the PA6 pad. The channel walls retain the pad mechanically, which is more secure than adhesive alone. Pad slot round tube plugs use the same PE compound that resists UV, chemicals, moisture, and impact across all our plug products.

  • Recessed channel holds the PA6 pad mechanically
  • Pad cannot shift, peel, or detach during use
  • Same PE body as flat head: UV resistant, moisture resistant, impact resistant
  • Black (RAL 9005) and grey (RAL 7040)
Flexible Internal Ribs Tube grip mechanism

Identical rib structure to the flat head range. The ribs compress during insertion and expand against the inner tube wall for a secure friction fit. No adhesive, no screws, no tools beyond an optional rubber mallet. Pad slot round tube plugs hold securely in the tube while the PA6 pad handles the floor.

  • Multiple ribs for distributed grip along the tube interior
  • Each rib compresses independently to adapt to wall thickness variations
  • Friction fit holds under vibration, movement, and sustained load
  • No adhesive required for tube installation

Pad Slot Round Tube Plugs vs. Other Options

If your hollow metal furniture legs contact hard floors and you need scratch protection, here is how pad slot round tube plugs compare to every other option.

vs. Flat Head Round Tube Plugs

Flat head plugs provide basic PE floor contact. PE is smoother than bare metal, but it is harder than PA6 and provides less scratch protection on finished hardwood and engineered floors. Pad slot round tube plugs add PA6 fiber in a recessed channel for dedicated hard-floor protection. If your floors are concrete, industrial tile, or outdoor surfaces where scratches are not a concern, flat head plugs are sufficient. If your floors are hardwood, laminate, vinyl, or polished surfaces, pad slot plugs are the better choice.

vs. Flat Head Plug Plus Self-Adhesive Pad

You can apply a round self-adhesive pad to the flat head of a standard plug. This works, but the adhesive bond between the pad and the PE head is the weak point. Under lateral movement, the pad can peel or shift. Pad slot round tube plugs hold the PA6 pad in a recessed channel mechanically. The pad cannot shift or peel because the channel walls retain it from all sides.

vs. Self-Adhesive Furniture Glides

Self-adhesive furniture glides bond PA6 on an ABS platform directly to the leg base. They work on solid and hollow legs. Pad slot round tube plugs are specifically for hollow round tubing. The advantage of pad slot plugs is the combined tube-sealing and floor-protection function. The advantage of self-adhesive glides is the wider size range (5 sizes) and the rigid ABS platform.

vs. Anti-Slip TPE Round Tube Plugs

Anti-slip TPE plugs grip the floor to prevent sliding. Pad slot round tube plugs slide smoothly to allow easy movement. Opposite floor behaviors. Choose pad slot for furniture that needs to move quietly on hard floors. Choose anti-slip for furniture that needs to stay in place.

Floor Compatibility

The PA6 pad in pad slot round tube plugs protects every smooth hard floor type. PA6 is chemically inert and will not react with floor sealers, wax, or cleaning products.

Hardwood: solid and engineered, all species
Parquet, bamboo, reclaimed wood
Laminate: all types and AC ratings
Luxury vinyl: LVP, LVT, sheet vinyl
Ceramic and porcelain tile
Natural stone: marble and granite (polished)
Concrete: sealed, polished, epoxy-coated
Cork flooring
Linoleum and Marmoleum

All Round Tube Plug Head Styles

Every variant uses the same internal ribbed PE body. The head determines floor behavior, appearance, and specialized function.

Flat Head (Standard)

Flush finish, basic PE floor contact. 26 sizes, Ø 10 to 80 mm.

Conical Head

Tapered peak. Ø 30 mm. Decorative, non-floor-contact.

Domed Head

Rounded dome. Ø 16 and 26 mm. Subtle decorative finish.

Half-Sphere Head

Full hemisphere. 5 sizes, Ø 16 to 30 mm. Bold decorative effect.

Anti-Slip TPE

Rubber grip. Ø 28 mm. Prevents sliding on hard floors.

Pad Slot ← You are here.

PA6 pad for hard-floor scratch protection. Ø 22 and 28 mm. Black and grey.

Angled

For splayed or tilted legs. Base sits flat at an angle.

Where People Use Pad Slot Round Tube Plugs

Anywhere Ø 22 mm or Ø 28 mm hollow round furniture legs contact hard floors and scratch protection matters. Pad slot round tube plugs are the integrated solution for tube sealing plus floor protection in one press-fit product.

Residential

Dining chairs on hardwood and engineered floors. Kitchen chairs on tile and laminate. Bar stools on vinyl. Any metal chair with hollow round legs on a floor where scratches show. Pad slot round tube plugs seal the tube end and protect the floor in one step. No separate pads to apply, no adhesive to fail. Pair with domed head plugs or half-sphere head plugs on the visible back uprights for a complete finishing solution.

Commercial

Restaurant seating on hardwood, tile, and polished concrete. Hotel dining chairs. Office seating on luxury vinyl. Conference room chairs on laminate. Any commercial environment where metal chairs move on finished hard floors hundreds of times daily. Pad slot round tube plugs are available in bulk for commercial fit-outs. For commercial pricing, visit Business Solutions. The replaceable PA6 pad means you service the floor-contact surface without removing the plug from the tube.

Maintenance and Inspection

Check the PA6 pad surface every few months for embedded grit. A quick wipe with a damp cloth removes anything that has collected. The PA6 fiber deflects most debris, but sand and gravel tracked in from outside can lodge in any floor-contact surface. On commercial seating that sees heavy daily use, inspect every 3 to 6 months. On residential furniture, an annual check is enough.

When the PA6 pad shows visible wear grooves or the fiber has compressed noticeably, replace the pad insert. The PE plug body stays in the tube. Pad slot round tube plugs are designed for long-term use with periodic pad replacement rather than full plug replacement. Keeping spare pad inserts on hand is practical for any commercial environment. Replacing a worn PA6 pad costs a fraction of refinishing a scratched floor.

Related Products

Basic sealing without pad

Round Tube Plugs (Flat Head): PE floor contact without PA6 pad. 26 sizes from Ø 10 mm to Ø 80 mm. For floors where scratches are not a concern.

Grip instead of sliding

Anti-Slip TPE Round Tube Plugs: rubber head that grips hard floors instead of sliding. Ø 28 mm. For furniture that must stay in place.

Specifications

Specification Details
Product Type
Tube Plug – Inner with Slot for Pad
Shape
Round Tube
Materials
PE (Polyethylene)
Fit Style
Friction-fit ribbed compression
Floor Compatibility
Tile, hardwood, laminate, LVT, vinyl, concrete, etc
Furniture Compatibility
Chairs, tables, racks, trolleys, shelving, institutional and commercial furniture
Leg Compatibility
Metal and plastic round tubing
Sizes Available
Ø22 mm (1.5–2 mm wall), Ø28 mm (1–2 mm wall)
Color Options
Black, Grey
Installation Type
Press-fit (hand or rubber mallet)
Key Benefits
Replaceable pad system, quiet gliding, scratch protection, durable hold
Indoor/Outdoor Use
Indoor | Covered Outdoor
Recyclable
Yes

Size Chart

Outer Tube Diameter (Ø) Ø1 (Slot Diameter) Tube Wall Thickness (T) Head Height (H1) Insert Depth (H)
22 mm (0.87")
14 mm (0.55")
1 – 1.5 mm (0.04" – 0.06")
5 mm (0.20")
12 mm (0.47")
28 mm (1.10")
20 mm (0.79")
1 – 2 mm (0.04" – 0.08")
5 mm (0.20")
12 mm (0.47")

Frequently Asked Questions

What is the PA6 pad in the slot and how does it protect floors?

The PA6 pad is the same needle-punched polyamide 6 fiber used in all our furniture glides and self-adhesive pads. It sits in a recessed channel in the plug head and contacts the floor directly. PA6 provides low-friction, scratch-free movement on hardwood, tile, laminate, vinyl, and stone. Unlike the flat PE head on standard round tube plugs, the PA6 pad is specifically engineered for hard-floor protection.

Can I replace the PA6 pad when it wears out without replacing the whole plug?

Yes. The PA6 pad sits in a recessed slot and can be replaced independently. Remove the worn pad, clean the channel, and press a new pad insert into the slot. The PE plug body stays in the tube. This makes pad slot round tube plugs more economical over the long term than replacing entire plugs when the floor-contact surface wears.

How do pad slot round tube plugs compare to using a standard plug plus a separate self-adhesive pad?

Pad slot round tube plugs integrate the pad into the plug head in a recessed channel. The pad cannot shift, peel, or fall off because it is held by the channel walls. A separate self-adhesive pad applied to a flat head plug relies on adhesive alone, which can peel under lateral movement.

Why are only Ø 22 mm and Ø 28 mm available?

These two diameters cover the most common commercial and residential chair tubing. Ø 22 mm handles lightweight dining chairs and office seating. Ø 28 mm handles heavier commercial chairs and bar stools. For other diameters, use flat head round tube plugs and add a round self-adhesive furniture pad for floor protection.

Do pad slot round tube plugs slide or grip?

They slide. The PA6 pad has a low coefficient of friction, the same surface used in all our furniture glides and pads. Pad slot round tube plugs are designed for smooth, quiet movement on hard floors with scratch protection. If you need grip instead of sliding, use anti-slip round tube plugs.

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