Top 10 Best plastic end caps in 2026

Last Updated - 6/6/2026

🏆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

4 Pack 1.5 Inch Square Tube End Cap Plastic Plugs, 1.5"x1.5" Square Tubing Plug, Tube End CapsTubing Post End Cap Suitable for Square Tube Square Plastic Plug, Tubing Post End Cap Square Tubing

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Applicable size：The size of the plastic plug is 1-1/2in*1-1/2in(38mm x 38mm) , only fit 1.5 inch(3.8cm) outside diamefer square tubing . Designed will fit inside hole dimensions 1.36in-1.46in ，with a wall thickness 0.020" - 0.060". NOTE: It will not fit a 1.5"(3.8cm) opening inside diameter square tubing
•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 1-1/2"x1-1/2" 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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$5.48

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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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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

9.4

ChoiceComparer.com Score

9.4

/ 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

9.2

ChoiceComparer.com Score

9.2

/ 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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DOREXLON

158 PCS Round Rubber End Caps, Vinyl Tube Bolt Cap, Screw Bolt Screw Rubber Thread Protector Caps Cover

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•158PCS Black rubber caps made of rubber material, very flexible and elastic.
•The protector caps set contains 12 sizes , multiple size combination can satisfy your Various usage needs.
•Rubber end caps package comes with a plastic box, you can store your rubber bolt caps and prevent your caps from leaking and losing easily.
•Rubber protector cover easy to use, which can be reused for a long time, you can also trim it into proper length according to your own need.
•Rubber cap is used for metal chair tips, furniture, chair legs, table legs or tips, threads, nail heads, or covering any round tube to prevent wear; decorate homes, offices and other places to make them look more beautiful.

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$8.99

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Aleric

Aleric 163pcs Rubber End Caps,Round Bolt Covers Caps,Vinyl End Cap Screw Thread Protectors,Rubber Screw Cover Bolt Cap for Metal Tube Rod Bolt in Size 2mm 3mm 4.5mm 6mm 7mm 8mm 9mm 12mm 20mm(Black)

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Package Including - The rubber end caps set include 163pcs rubber caps, which contains 9 common sizes rubber bolt caps. The rubber end cap is made of soft rubber material, which can be good protective caps for screws or other threaded parts, screws, bolts, any round tube. Please Note: Only suitable for BSW / BSF thread and M-type thread
•Multiple Size of Rubber End Cap - The bolt rubber caps have 9 sizes for choice, which are 45 pieces 2mm (2/25 inch), 45 pieces 3 mm (3/25 inch), 15 pieces 4.5 mm (9/50 inch), 15 pieces 6 mm (6/25 inch), 10 pieces 7 mm (7/25 inch), 10 pieces 8mm (8/25 inch), 10 pieces 9mm (7/20 inch), 10 pieces 12mm (12/25 inch), 3 pieces 20mm (4/5 inch). Please measure the product before you want to protect, 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 6.3mm dia, choose the rubber cover of 6mm! thanks.
•Qualitied Material & Easy to Use - Our bolt screw thread protector covers caps are made of rubber material, which is safety, soft and durable, also the vinyl tube bolt cap can be used for a long time. These rubber cap protective covers are convenient to use, we recommend choosing bolt covers rubber screw caps that is slightly smaller than the outer diameter of the product to be protected.
•Widely Application - Our flexible bolt covers caps can wrap screws or other threaded parts, bolts, any round tube etc, which can provide protection against injury by pointed rod and tubing edges. Also our rubber caps for screws bolts can prevent wear on the kitchen or wooden floor, suitable for metal chair tips, furniture, chair legs, table legs. Also you can cut the rubber cap protective covers into appropriate length according to you own need, which is convenient for your use.
•Great Customer Service – We are confident with the quality of rubber end cap, and we are sure you will love this rubber screw covers, which will protects the bolt threads and yourself from abrasions, please feel free to contact us if you have any problems with the end caps assortment and we will provide a satisfactory solution.

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$5.99

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SOKOSEY

200Pcs Nylon Hole Plug Set (9 Sizes: 1", 7/8", 3/4", 5/8", 1/2", 3/8", 5/16", 1/4", 1/5") - Plastic Hole Plugs, Assorted Sizes, Precision Fit End Caps for Cabinets & Furniture (Black)

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•200-Piece Set: Includes 50pcs 1/5" (5mm), 40pcs 1/4" (6mm), 30pcs 5/16" (8mm), 20pcs 3/8" (10mm), 20pcs 1/2" (13mm), 10pcs 5/8" (16mm), 10pcs 3/4" (19mm), 10pcs 7/8" (22mm), and 10pcs 1" (25mm). Ideal for assorted plastic hole plugs
•Broad Utility for Sealing: These plastic plugs for round holes are essential for sealing power plants and communication systems, making cabinets and boxes waterproof and dustproof. Perfect for rubber plugs for holes
•Premium Nylon Material: Made from durable, anti-aging nylon, these screw hole plugs are flame-resistant and come in 9 sizes. Each plug is labeled for quick selection, ideal for rubber plugs for round holes
•Precision Installation: The engraved sizes ensure accuracy, while the auto-lock design provides a perfect, tool-free fit. These hole plugs are ideal for pocket hole plugs and screw hole covers in various projects
•Elegant and Practical Design: With a frosted surface for better grip and an arc design for aesthetics and shock absorption, these hole plugs suit furniture, electronics, and more. They enhance your projects.

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$6.99

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uxcell

uxcell 50pcs Round Rubber End Caps 1/8" 3/16" 1/4" 5/16" 3/8" Clear Vinyl Cover Screw Thread Protectors Assortment Kit(3mm 5mm 6mm 8mm 9.5mm)

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•【1/8" 3/16" 1/4" 5/16" 3/8" INNER DIA】 1/8" 3/16" 1/4" 5/16" 3/8" Inner Dia Clear Vinyl Round End Cap Covers
•【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, table legs or tips, 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!
•【WIDELY APPLICATION】 Perfect for covering screws or other threaded parts, round tubing, furniture feet and so on

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$6.89

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QWORK

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

8.5

ChoiceComparer.com Score

8.5

/ 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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