Top 10 Best end caps for metal tubing in 2026

Last Updated - 6/7/2026

🏆Best Choice

Aleric

Aleric Rubber End Caps - 60pcs Flexible Screw Thread Protector Covers Rubber Bolt Covers Caps for Metal Tube Rod in 6 Sizes 2mm,3mm,6.5mm,8mm,10mm,12mm

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Great Design of Rubber Caps - Our screw thread protectors can prevent wear on the kitchen or wooden floor, suitable for metal chair tips, furniture, chair legs, table legs or tips, Also it is good for covering screws or other threaded parts, screws, bolts, any round tube etc, In addition, it can provide protection against injury by pointed rod and tubing edges. Please choose the right size.
•Qualitied Material - Our black round end cap covers is made of vinyl rubber material, soft and durable, and good elasticity and insulation, sturdy and thick enough to soften the impact. Also you can cut the rubber cap protective covers into appropriate length according to you own need, which is convenient for your use.
•Multiple Size of Rubber End Caps - A set of rubber caps 60Pcs, these rubber cap protective covers have 6 different sizes for you to choose, including 10 pieces 0.08 inch/ 2 mm, 10 pieces 0.12 inch/ 3 mm, 10 pieces 0.26 inch / 6.5mm, 10 pieces 0.32 inch/ 8 mm, 10 pieces 0.4 inch/ 10 mm, 10 pieces 0.47 inch/ 12 mm. Note: please measure the product you want to cover, we recommend choosing rubber end cap that is slightly smaller than the outer diameter of the product to be protected. For example: the outer diameter of your product is 6.8mm dia, choose the rubber cover of 6.5mm.
•Easy Use and Widely Used - You need to choose the right size of the thread protector safety covers, we recommend choosing one that is slightly smaller than the outer diameter of the product to be protected, then cut the protective cover to the proper length, which is very convenient to use. The rubber bolt covers caps are practical for many household, Perfect for covering screws or other threaded parts, round tubing, furniture feet and on.
•After-sales service - we are confident with the quality of rubber bolt covers caps, and we are sure you will love these bolt screw caps, please feel free to contact us if you have any questions about rubber end caps and we will provide a satisfactory solution, thanks.

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$4.99

$6.99

-29%

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ZYYC

12 Pack 25mm(1”) Square Black Plastic Plug, 25mmx25mm(1"x1") Square Tubing Plug 1x1 Tube End CapsTubing Post End Cap Suitable for 1 Inch Square Metal Tube

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Applicable size：The size of the square tubing end caps is 25mmx25mm (1in*1in), suitable for square pipes with an outer diameter of 25mmx25mm(1in*1in ) (not inside hole diameters ,not inside hole diameters)Designed to fit inside hole diameters from 0.83in-0.93in.with a wall thickness 0.020" - 0.060".
•Material: Made of high-quality plastic, durable and wear-resistant. Waterproof and compressive wear proof.
•Uses:Provides long lasting protection， great for preventing scuffs on wood floor or as protection glides on chair tips, bench feet, table legs, bar stool foot sliderschair leg protectors, patio furniture inserts, and much more.
•The 1"x1"Inch threaded inner plug can be used as a durable solution for home or outdoor projects, including replacement of fence/door railing covers, trailer frame ends, rod tube rod caps, wrought iron steel decorative plugs or any square opening. Not easy to deform, firmer, not easy to fall off, easy to install
•We believe that our high qualityTubing Post End Cap, will exceed your expectations. If you have questions, please contact us any time. We will try our best to solve your problems.

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$4.98

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uxcell

uxcell 40pcs Round Rubber End Caps 1/8" 1/4" 3/8" 1/2" Black Vinyl Cover Screw Thread Protectors Assortment Kit(3mm 6mm 9mm 12mm)

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•【1/8" 1/4" 3/8" 1/2" INNER DIA】 1/8" 1/4" 3/8" 1/2" Inner Dia Black Vinyl Round End Cap Covers. 0.8mm/0.03-inch and 1mm/0.04-inch wall thickness. Please Note : Only suitable for UNC / UNF/ BSW / BSF thread and M-type thread
•【Rubber Material】Thread protector cover is made of vinyl rubber material, flexible and insulated, can widely application to furniture, electricity and so on
•【GOOD PROTECTOR】Our flexible end caps work great for preventing scuffs on the floor, as pliable protective seals for metal chair tips, patio furniture, bench feet, bar stools, screw or nail heads, or to cover any round tube
•【SIZE SELECTION】Because rubber material is soft and elastic, we recommend choosing rubber end cap that is slightly smaller than the outer diameter of the product to be protected. For example: the outer diameter of your product is 9.8mm dia, choose the rubber cover of 9.5mm! Please note that rubber end caps are not suitable for objects with a large taper
•【WIDELY APPLICATION】 Perfect for covering screws or other threaded parts, round tubing, furniture feet and so on

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$5.59

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Prescott Plastics

Prescott Plastics 1" (25.4mm) Outer Diameter Ribbed Plastic Hole Plugs, Round Black Metal Tubing End Caps, StrongFurniture Leg Inserts, Impact & Weather Resistant, Made in The USA - 4 Pack

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•HOW TO FIT: Fits 1" OUTSIDE round tubing with hole sizes from 3/4" to 15/16" (.75" to .93"). Head Size is 1".
•EASY TO INSTALL: High-grade Prescott Plastics one inch black ribbed plugs work great for preventing scuffs on wood floor or as protection glides on chair tips, bench feet, table legs, bar stool foot sliders, chair leg protectors, patio furniture inserts, and much more. They are also designed to hold up against impact abuse, and harsh weather conditions.
•FLOORING PROTECTION: Prescott Plastics black ribbed plugs prevent scuffs on wood and other natural floors. They provide a protective “glide” for chair tips, bench feet, table legs, bar stools, patio furniture, and other furniture designed for furniture inserts and plugs.
•PREMIUM QUALITY PLUGS: Our Plugs and Caps are designed to hold up in all harsh weather conditions and high traffic areas.
•MADE IN UK: These Plastic end caps are specially designed and produced in UK to maintain quality, endurance and durability

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$9.99

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WZB

WZB 1 1x1 Square Tube End Cap Plastic Plugs 12 Pack, 1x1 1 Inch Square Tubing Plug 1x1 Tube End Caps Fence Post Pipe Cap Cover Tubing Insert Chair Glide Finishing Plugs, Black

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•◆【Item Dimension】 - You will get 12pcs 1" 1x1 square plastic plugs, the end cap fits 1 inch (one inch) OD square tubing (1x1) and wall thickness of 0.039" - 0.098". NOTE: When you buy before, please check size of the plastic plug is suitable for your tubing.
•◆【Ribs Design】 - Ribs Design can provide a sure grip inside the tube. Thick base of the tube plug is impact and abrasion resistant.
•◆【Prevent Scuffs】 - These tubing plugs end caps for chair glides work great for preventing scuffs on wood floor or as protection glides on chair tips, bench feet, table legs, bar stool foot sliders, chair leg caps and much more.
•◆【Easy to Use】 - These square tube end cap plugs would offer a neat safe finish to tube ends and prevent dirt and dust ingres. It's easy to use that no tools needed. You are able to install by hands within minutes. They serve as a long-lasting solution for many household or outdoor projects.
•◆【Multipurpose】 - The tubing insert cover is widely used to chair legs, bench feet, table legs, bar stool foot, and fences/fencing railing posts, furniture end covers, fitness equipment end covers, gate rail post covers, trailer frame ends, pole pipe rod caps, metal bike rack fittings, wrought iron steel finishing plugs, or any sqaure opening.

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$4.26

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WZB

WZB, 2 Inch 2x2 Square Tube End Cap Plastic Plugs 12 Pack, 2 Inch 2x2 Square Tubing Plug 2x2 Tube End Caps Fence Post Pipe Cap Cover Tubing Insert Chair Glide Finishing Plugs, Black

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•◆【Item Dimension】 - You will get 20pcs 2x3 surnews square plastic plugs.

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$4.99

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CaSuTong

CaSuTong 2 3/8 Inch (60mm) Round Plastic Plugs, Tubing End Cap, Insert End Caps for Round Metal Tube (8 Pack)

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•►APPLICABLE SIZE-These round tubing end caps fits 2-3/8"(Φ60mm) OD round tubing (one & a half inch OUTSIDE diameter) with INSIDE hole diameters (ID) from 2.2" - 2.3" and wall thickness of .031" - .079" Steel Pipe.
•►Perfect for household and outdoors use- These Pipe Tubing End Caps work great for furniture, slide chairs, exercise equipment, fences, shelves, vehicles, trailers, metal chairs, outdoor swing, table legs, water sports, or anywhere a clean finished look is desired. These round tubing plastic plugs are also designed to hold up against impact abuse, and harsh weather conditions
•►ANTI-SCRATCH AND FASTENED-These premium plastic plugs can prevent scratches on the wooden floor, or protect the end of the metal square tube and will keep in place all furnitur.
•► MULTIPLE USES- These round tubing caps made of Premium Quality Plastic,Durable shockproof and waterproof, wearproof and UV resistant
•►Easy To Install-Multiple flexible ribs ensure easy install and secure fit.

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$11.59

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WZB

WZB 1 12 1.5 inch Square Tube End Cap Plastic Plugs 12 Pack, 1 12 inch 1.5 inch Square Tubing Plug 1.5 x 1.5 Tube End Caps Fence Post Pipe Cap Cover Tubing Insert Chair Glide Finishing Plugs, Black

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•◆【Item Dimension】 - You will get 12pcs 1 1/2 1.5" square plastic plugs, the end cap fits 1 1/2" (1.5 inch) OD square tubing (1.5x1.5) and wall thickness of 0.039" - 0.118". NOTE: When you buy before, please check size of the plastic plug is suitable for your tubing.
•◆【Ribs Design】 - Ribs Design can provide a sure grip inside the tube. Thick base of the tube plug is impact and abrasion resistant.
•◆【Prevent Scuffs】 - These tubing plugs end caps for chair glides work great for preventing scuffs on wood floor or as protection glides on chair tips, bench feet, table legs, bar stool foot sliders, chair leg caps and much more.
•◆【Easy to Use】 - These square tube end cap plugs would offer a neat safe finish to tube ends and prevent dirt and dust ingres. It's easy to use that no tools needed. You are able to install by hands within minutes. They serve as a long-lasting solution for many household or outdoor projects.
•◆【Multipurpose】 - The tubing insert cover is widely used to chair legs, bench feet, table legs, bar stool foot, and fences/fencing railing posts, furniture end covers, fitness equipment end covers, gate rail post covers, trailer frame ends, pole pipe rod caps, metal bike rack fittings, wrought iron steel finishing plugs, or any sqaure opening.

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$4.81

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QWORK

QWORK 10 PCS 1" X 2" Rectangle Black Plastic Plug End Cap for Pipe Tubing, Chair Leg

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Function - This cap can help your furniture to become anti slipping and will prevent the floor from scratches and noisy.
•Design - With serval ribs on the rim, it can be firmly fix in the rectangle opening furniture legs and will not fall off.
•Size- Our package incl. 10 pcs caps. The size of cap is 1" x 2". The inner size is 5/8" x 1-5/8". Please check the size again before purchase.
•Wide Usage - It can be used for chair tips, bench feet, table legs, bar stool foot, and etc.

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$4.97

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Swpeet

Swpeet 180Pcs 9 Sizes 15/32" 11/20" 3/5" 3/4" 9/10" 1" 1-1/5” 1-1/4" 1-1/2" Black Round Plastic Plug Tubing End Caps Assortment Kit, Tubing Post End Cap for Metal Tubing and Furniture Protection Glide

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•🌸【 What You Get 】 ---------- In this kit, You will get 180Pcs 9 Sizes plastic round tubing end caps assortment kit, Including 12mm - 15/32"; 14mm - 11/20"; 16mm - 3/5"; 20mm - 3/4"; 22mm - 55/64"; 25mm - 1"; 30mm - 1-1/5”; 32mm - 1-1/4"; 38mm - 1-1/2". In totally 180Pcs Plastic Hole Plugs are classified in plastic bag for easy access to the right size and replacement. Sufficient quantities and different colors meet your daily needs.
•🌸【 High Quality 】 ---------- These Round Black Plastic Plug Tubing End Caps are Made of high-quality plastic, durable and wear-resistant. Waterproof and compressive wear proof.The round tubing caps are made by high Grade heavy duty black polyethylene, UV weather resistant and long lifetime. The round tubing end caps are also designed to hold up against impact abuse, and harsh weather conditions.
•🌸【 Easy to fix and Easy To Install 】 ---------- Easy to install and take off. Reduces noisy sound from friction between table legs and floor. Provides long lasting protection. Great for preventing scuffs on wood floor or as protection glides on chair tips, bench feet, table legs, bar stool foot sliderschair leg protectors, patio furniture inserts, and much more.
•🌸【 Wide Applications 】 ---------- The round insert plugs feature with a series of tapered flexible ribs, ensuring an easy installation, securer fitment and wider range of applications. Friction-tight design for easy installation. When installation, just put it into the pipe and tight it until there is no gap left. threaded inner plug can be used as a durable solution for home or outdoor projects.
•🌸【 Warm Note】 ---------- Including 12mm, 14mm, 16mm, 20mm, 22mm, 25mm, 30mm, 32mm, 38mm. We believe that our high qualityTubing Post End Cap, will exceed your expectations. Enough for your daily use; Please confirm the size information before purchase, and transparent plastic boxes are provided to avoid omission during delivery.Protect your floor from scratches.

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$12.99

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