Oval tube plugs finish open ends on hollow metal furniture legs with oval profiles. Press-fit PE body with flexible internal walls grips the curved interior without adhesive or tools. Match the plug to your tube’s short axis, long axis, and wall thickness. Flat head. Black, grey, and white. Plugs for oval furniture legs that seal, protect floors, reduce noise, and give every oval tube end a clean look. Sold in packs of 4.
Not sure what size? See the size chart ↓
📦 Sold in packs of 4 — quantity adjustable at checkout
Round plugs fit circles. Square plugs fit squares. But oval tubing has two different radii on two different axes, and no symmetrical plug can match that geometry. Oval tube plugs are molded to the exact oval cross-section of your tube: wider on the long axis, narrower on the short axis, curved continuously around the entire perimeter. The plug body press-fits inside the oval tube with flexible internal walls that grip the curved interior on both axes simultaneously.
PE (polyethylene) construction. Flat head. Press-fit installation with no adhesive, no screws, and no tools beyond an optional rubber mallet. Oval tube plugs come in from 10 × 33 mm to 30 × 50 mm. Black, grey, and white. Plugs for oval furniture legs on dining chairs, bar stools, commercial seating, and any furniture that uses hollow oval tubing. Oval tube end plugs that seal, protect, and finish every open oval tube end. Sold in packs of 4.
Oval tube plugs are listed by short axis × long axis. Each size matches a specific oval tubing specification. Oval tubing is less standardized than round or square, so matching both axes precisely is critical. The right oval tube plug fits your tube’s short axis, long axis, and wall thickness.
Wall: 1.5 to 2 mm. The smallest and most elongated oval in the range. For narrow, lightweight structural members and fixture tubing. Black only.
Wall: 1 to 1.5 mm. One of the most common oval tubing sizes in furniture. Dining chairs, side chairs, lightweight commercial seating. Black, grey, and white. The widest color range of any oval tube plug size.
Wall: 1.5 to 2 mm. A 2:1 ratio oval for specific European furniture tubing specifications. Grey only.
Wall: 1 to 1.5 mm. A rounder oval (closer to circular than the more elongated sizes). Standard for residential and light commercial seating. Black and grey.
Wall: 1 to 2 mm. One of the most popular oval sizes for commercial dining chairs and bar stools. Black and grey.
Wall: 1 to 2 mm. A nearly circular oval for heavy-duty chair legs and commercial seating frames. Black and grey.
Wall: 1 to 2 mm. The largest oval. For heavy commercial and institutional seating, wide table legs, and substantial frame members. Black and grey.
For a domed decorative head, see domed oval tube plugs (rounded head, ). For extended insertion depth, see extended oval tube plugs (15 × 30 mm). For angled legs, see angled oval tube plugs. For D-shaped tubes (one flat side), see half-oval tube plugs. For ellipse tubes, see ellipse tube plugs. For custom sizes, contact Business Solutions.
Three measurements: short axis (width), long axis (length), and wall thickness. Oval tubing has two different outside dimensions, and both must match the plug specification. If the two axes are equal, your tube is round, not oval.
Use calipers across the narrowest point of the oval opening, outside edge to outside edge. This is the first number in the size designation (10, 15, 18, 20, 25, or 30 mm for oval tube plugs).
Use calipers across the widest point of the oval, outside edge to outside edge. This is the second number (30, 33, 35, 36, 40, or 50 mm). The long axis is always perpendicular to the short axis.
Use calipers at the tube end. Check at both the narrow and wide points, as oval tubing can have slightly different wall thicknesses on different parts of the curve.
Same press-fit concept as all our tube plugs. Oval tube plugs must enter the tube with the short axis aligned to the short axis and the long axis aligned to the long axis. The plug will not fit if rotated 90° because the two axes are different lengths.
The same four problems as every other tube plug, applied to a cross-section that only oval-specific plugs can handle. The National Wood Flooring Association (NWFA) recommends protective measures on all furniture legs, and oval tube plugs provide that protection on hollow oval metal profiles.
An open oval tube end puts a sharp metal edge on the floor that follows a continuous curve with two different radii. This creates uneven floor contact that no round, square, or rectangular plug can address. Oval tube plugs cover the entire oval opening with a smooth PE head that distributes weight across the full curved area. Unlike leaving metal edges unprotected, the plug prevents damage at the source.
An open oval tube collects moisture, debris, and insects. On steel tubing, trapped moisture causes internal corrosion that weakens the frame. The plugs seal the entire curved opening. The flexible walls conform to the oval interior for a complete seal with no gaps at any point along the continuous curve. On chair legs that sit at floor level, the open tube ends are especially vulnerable to mopping water and tracked-in debris.
Hollow oval tubes resonate and amplify contact noise. The curved walls vibrate differently than flat walls, producing a distinctive metallic ring when the tube contacts smooth, hard floors. The plugs fill the opening with PE, absorbing the vibration across the full curved interior. In restaurants, offices, and schools where oval-legged chairs move constantly, every sealed tube end reduces the cumulative noise level.
Oval tubing is chosen for its visual appeal. The continuous curve creates a softer, more refined look than angular square or rectangular profiles. An open tube end undermines that design choice by exposing the hollow interior. The plugs cover the opening with a clean PE head that follows the oval contour exactly. The finished end maintains the tube’s visual language. These are the press-fit oval tube plugs that complete the design.
Same PE (polyethylene) used across the standard tube plug range. The plugs are molded from a single piece of PE with no joints, seams, or separate components. The oval profile requires continuous curved geometry with two different radii that round and angular plugs do not need.
The head covers the full oval cross-section with a continuous curved perimeter. The PE surface provides low-friction floor contact on smooth, hard floors. The flat profile sits flush with the tube end for a clean, unobtrusive finish.
The internal walls follow the oval contour. They grip the curved tube interior through friction along the entire perimeter. Unlike round plugs that grip a single-radius curve, these plugs grip a dual-radius curve where the tight radius (short axis) and the gentle radius (long axis) require different compression behavior from the same plug body.
If your furniture has oval tubing, only oval-specific plugs fit correctly. Here is why other shapes do not work and what other oval variants are available.
Round tube plugs are circular and cannot match the two different radii of an oval cross-section. A round plug that fits the short axis will gap on the long axis. One that fits the long axis will not enter the short axis. Oval tube plugs match both axes.
Rectangular tube plugs have four flat sides. An oval tube has no flat sides. The rectangular plug cannot conform to the continuous curve, leaving gaps at every point along the perimeter. No seal, no grip, no floor protection.
Ellipse tube plugs fit tubes with a more elongated, pointed profile. If your tube ends are rounded (like an oval), use these plugs. If the ends are more pointed (like an ellipse), use ellipse plugs. The difference matters because the plug body curvature must match the tube curvature at every point.
Half-these plugs fit D-shaped tubes (one flat side, one curved side). If your tube is curved on both sides, it is oval, not half-oval. Use these plugs for fully curved profiles.
Domed these plugs have a rounded, raised head instead of flat. Available in 15 × 40, 20 × 40, and 25 × 50 mm. Decorative, non-floor-contact use. This product (these plugs) covers the flat head for floor contact and general finishing.
The flat PE head of oval tube plugs provides basic floor protection on smooth, hard floors and carpet. Not recommended for rough hard floors like textured tile or stamped concrete, where the PE material wears quickly. PE is smoother and softer than bare metal, adequate for most surfaces without scratching. The oval head distributes weight across the full curved area rather than concentrating it at a sharp metal edge.
On scratch-sensitive floors like engineered hardwood or luxury vinyl, apply a round self-adhesive furniture pad to the plug head for dedicated PA6 protection. Choose a round pad size that covers the oval head as completely as possible. On rough hard surfaces like textured tile or stamped concrete, furniture slides with ABS surfaces handle the texture better than PE.
Oval tube plugs are designed for any hollow oval furniture tube that needs a finished, sealed, protected endpoint. Oval tubing is a design-forward profile choice found in furniture where visual softness and ergonomic curves matter.
Match the plug shape to your tube shape. Every shape uses the same PE construction and press-fit concept.
10 × 33 to 30 × 50 mm. Flat head.
Anywhere hollow oval tubing has open ends that need finishing, sealing, and floor protection. These are the standard solution for the most common oval tubing sizes in the furniture industry.
Dining chairs, side chairs, accent chairs, and bar stools with oval tube legs. The 15 × 30 and 20 × 40 mm sizes cover the majority of residential oval-legged seating. The plugs protect hardwood, tile, laminate, and vinyl from the sharp curved metal edge of bare oval tubing. For additional PA6 floor protection, apply self-adhesive furniture pads to the plug head.
Restaurant seating, hotel dining chairs, office seating, and conference room furniture with oval frames. Oval tubing is popular in hospitality environments because the rounded profile is comfortable to grip and visually softer than angular alternatives. Available in bulk for manufacturing runs and facility fit-outs. For commercial pricing, visit Business Solutions. For rough hard floors, furniture slides with ABS surfaces handle textured surfaces better.
These plugs require the same minimal maintenance as any standard tube plug. Check periodically that the plug remains seated flush with the tube edge around the entire oval perimeter. The continuous curve means there is no specific corner or edge to focus on. Instead, run a finger around the perimeter and feel for any section that has lifted or recessed.
On commercial furniture that moves frequently, inspect every 3 to 6 months. On residential furniture, an annual check is enough. The PE surface does not stain, discolor, or absorb cleaning products. Oval tube plugs are sold in packs of 4, so keeping spares on hand is practical. If a plug becomes loose, remove it, clean the tube interior, and reinstall. If the plug no longer grips firmly, replace it.
Domed these plugs: rounded head, (15 × 40, 20 × 40, 25 × 50 mm). Decorative.
Extended oval tube plugs: deeper insertion for extra grip (15 × 30 mm).
Angled oval tube plugs: 18° and 9° for splayed oval legs.
Round Self-Adhesive Furniture Pads: apply to any plug head for PA6 scratch protection.
Round Self-Adhesive Furniture Glides: PA6 on ABS for glide performance.
| Specification | Details |
|---|---|
Product Type |
Tube Plugs – Inner with Ribs (H1, Flat Head) |
Shape |
Oval Tube |
Materials |
PE (Polyethylene) |
Fit Style |
Ribbed friction-fit compression |
Floor Compatibility |
All hard and soft floors |
Furniture Compatibility |
Chairs, benches, carts, displays, office furniture, medical equipment |
Leg Compatibility |
Metal and plastic oval tubing |
Sizes Available |
10×33, 15×30, 18×36, 20×30, 20×40, 25×35, 30×50 mm |
Color Options |
Black, Grey, White |
Installation Type |
Press-fit by hand or rubber mallet |
Key Benefits |
Flush look, end protection, fast install, no rattling |
Indoor/Outdoor Use |
Indoor | Covered Outdoor | Uncovered Outdoor |
Recyclable |
Yes |
| Tube Dimensions (W x L) | Tube Wall Thickness (T) | Insert Depth (H) | Head Height (H1) |
|---|---|---|---|
10 x 33 mm (0.39" x 1.30") |
1.5 – 2 mm (Ø 0.06" – 0.08") |
12 mm (Ø 0.47) |
3 mm (Ø 0.12) |
15 x 30 mm (0.59" x 1.18") |
1 – 1.5 mm (Ø 0.04" – 0.06") |
13 mm (Ø 0.51) |
5 mm (Ø 0.19) |
20 x 30 mm (0.79" x 1.18") |
1 – 1.5 mm (Ø 0.04" – 0.06") |
14 mm (Ø 0.55) |
5 mm (Ø 0.19) |
20 x 40 mm (0.79" x 1.57") |
1 – 2 mm (Ø 0.04" – 0.08") |
12 mm (Ø 0.47) |
5 mm (Ø 0.19) |
25 x 35 mm (0.98" x 1.38") |
1 – 2 mm (Ø 0.04" – 0.08") |
12 mm (Ø 0.47) |
5 mm (Ø 0.19) |
30 x 50 mm (1.18" x 1.97") |
1 – 2 mm (Ø 0.04" – 0.08") |
15 mm (Ø 0.59) |
5 mm (Ø 0.19) |
Measure the short axis (width) and the long axis (length) of the oval opening in millimeters. Then measure the wall thickness with calipers at the tube end. You need all three measurements to select the correct oval tube plug. A tube measuring 20 mm on the short axis, 40 mm on the long axis, with 1.5 mm walls needs the 20 × 40 / 1 to 2 mm plug. Always list the shorter dimension first.
Oval and ellipse are similar but not identical. Oval tubes have a more uniform, symmetrical curve on both axes. Ellipse tubes have a more elongated, pointed profile. Measure your tube and compare to the size charts for both shapes. If your tube has pointed ends rather than rounded ends, it is likely ellipse rather than oval.
No. A round plug is circular and cannot match the two different radii of an oval cross-section. It would gap on the long axis and bind on the short axis. Oval tube plugs are molded to match the oval profile exactly. Shape must match shape.
Yes, as a separate product. Domed oval tube plugs (rounded head) are available in 15 × 40, 20 × 40, and 25 × 50 mm. This product (oval tube plugs) covers the flat head standard range.
Yes, also separate products. Angled oval tube plugs are available in 20 × 40 mm (18°) and 30 × 60 mm (9°). An angled oval with pad slot is available in 25 × 35 mm (15°). These correct leg tilt on splayed oval-legged furniture.
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