The Best aluminum pipe end caps of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best aluminum pipe end caps of 2022. Check our ranking below.

2,583 Reviews Scanned

Rank No. #1

OD 2"/50.8mm Aluminium Alloy Fuel Cap Weld On Filler Neck Oil Tank Cap Silver

Compatible models: OD 2"/50.8mm Aluminum alloy fuel cap is used to install the coolant tank with threaded filler neck
Function: After a long time of use, the fuel tank cap on the water tank will be damaged or leaked. Replacing a new fuel tank cap can solve this problem
Material: Made of high-quality aluminum alloy material, stable, wear-resistant, corrosion-resistant, longer use time and higher efficiency
Features: Machined from billet aluminum with polished surface and pressure cap; The scalloped design makes it the perfect addition to any engine bay. Clear anodized finish adds luster and durability; The excellent appearance design can provide your engine with a better visual experience
Install: 1. Wipe the water stains and stains next to the water tank with a rag to make the surface smooth and flat; 2. Install the fuel tank cap and adjust the position to the hole position; 3. The junction of the welded fuel tank cap and the fuel tank; 4. Install the fuel tank cap; 5. Check the weld for leaks

Rank No. #2

EZends 1 Inch Extra Durable Round Tubing End Cap (1-Inch Outer Dimension of Tube), 14/20 Guage 8 Packs, Durable Black Plastic LDPE, Chair Glides (8, 14-20 Gauge)

Durable quality: EZends plastic hole plugs are designed for high impact abuse and long lasting endurance. Made from heavy duty, high quality Black (LDPE) polyethylene plastics. Made in the USA.
Measurements: The most important measurement is the round tubing's inside diameter. For the 14-20 gauge plugs, the inside diameter must measure between .834 Inches to .930 Inch (from 21.183 mm up to 23.622 mm.) Provides a flush sleek look when installed with round tube outside 1" diameter.
Floor Protection: When used as square plastic chair glides, these square end caps installed on furniture legs can prevent scuffs, scratches and markings on wood, tile, pavers and natural flooring. Perfect for basic house, patio, and office furniture.
Easy Install: Easily inserts into your square tube end with a simple push of the thumb or a gently tap with a rubber mallet or hammer.
Stop annoying floor noise: Allows furniture leg tips to glide quietly over flooring surfaces.

Rank No. #3

PATIKIL Pipe End Cap,1Pcs 304 Stainless Steel Tube End Caps Round Fitting Cap 76mm / 3inch OD Polished Pipe Cover Silver for Plumbing HVAC Industries Metal Tubing Water Gas Welding

Color: Silver Tone; Material: 304 Stainless Steel;Inner Diameter:72mm / 2.83Inch; Thickness: 2mm / 0.078 inch; Length:20 mm / 0.79 Inch
Advantage: This round pipe end cap fitting can be applied to various industries, such as HVAC, Mechanical, food, wine and beverage etc. It is an universal hardware for sealing the end of water, oil and air pipeline. It is a hardware for sealing the end of your tube pipeline.
Instruction: Cleaning the connection surface, and then soldering to install.
Application: The tube end cover is made of 304 stainless steel, which has good heat transfer performance, anti-oxidation, anti-rust, durable and corrosion-resistant, and has high hardness. 304 stainless steel is pollution-free. It is mirror polished and has a smooth surface. It's precisely sized, so don't worry about not fitting.
NOTE: Need to confirm the pipe size before ordering.

Rank No. #4

Yaocom 10 Pcs 2-3/8" Chain Link Fence Post Cap Round Dome External Post Caps Aluminum Chain Link Only Use for Outside Diameter Outdoor Fence Parts

Enough Quantity to Replace: this package includes 10 pieces of round fence post caps, which is ample for typical fence installation or replacement needs; Whether you're setting up a new fence or replacing old ones, these fence post caps have you fully covered
Resistant to Corrosion: crafted from aluminum material, this metal fence post caps are highly resistant to corrosion and not prone to rust, ensuring a long service life; The silver color enhances its durability and exquisite craftsmanship, making it a nice addition to your space
Size Precision: these chain link fence caps have been designed to only fit on 2-3/8 inch outside diameter chain link fence posts; Tailored to this specific size, they provide a snug fit, leaving no room for imbalance or instability and enhancing the overall look of your fence; Please check the outside diameter of the post carefully before placing an order
Easy Installation Process: our round post cap comes with a convenient installation precautions and measurement guide; The setup process is straightforward, easy, and time saving, there is no need to weld, punch holes or apply glue, just attach the product to the right size column and use it, making it ideal even for those with minimal or no installation experience
Enhanced Fence Protection and Look: The chain link fence caps serve as practical additions to your fence. Not only do they enhance the overall aesthetic of your posts, but they also protect your fence from potential water and debris breakage, extending the durability of your fence and making it an ideal fencing solution, suitable for many applications, yard fences or wall posts

Rank No. #5

CaSuTong 4 Pack 1 1/2 Inch Round Plastic Plug, Pipe Tubing End Cap, Glide Insert Furniture Finishing Plug for Round Metal Tube

►HOW TO FIT: These round tubing end caps fits 1-1/2" OD round tubing (1.5 inch OUTSIDE diameter) with INSIDE hole diameters (ID) from 1.38" to 1.45" and wall thickness of 0.020 - 0.059" Steel Pipe. ** Measure Carefully! ** PLUGS WILL NOT FIT 1 1/2" OPENING
►Perfect Fit For Indoor and Outdoor Use- These Round Plastic Tubing Plug serve as a long-lasting solution for many household or outdoor projects including replacements for metal tube, lighting stand cross bar, boat seat post holes, bakers rack, bunk bed ladde, iron loveseat, tubular shaped metal legs, pre-runner bumpers, wrought iron patio chairs, wrought iron glider swing, wooden slat lawn chair, dining room chairs, chair legs, bar stool, kitchen chair, hollow leg chairs, or any round opening.
►The premium plastic plug can supply a clean look, and they are gentle on floors causing no markings, work great for preventing scuffs on wood floor or as protection glides on chair tips, bar stool foot sliders, bench feet, table legs, patio furniture inserts, chair leg protectors, and much more. Strong plastic plugs and they glide nicely on a wood deck
►These round tubing caps made of Premium Quality Plastic, sturdy, Durable shockproof and waterproof, wearproof and UV resistant, these round tubing plugs are also designed to hold up against impact abuse, and harsh weather conditions
►Easy to Install-Features a Multiple flexible ribs which ensures a secure fit perfect for use on a wide range of metal furniture, appliances and similar items, Multiple flexible ribs ensure easy install.

Rank No. #6

YAFIYGI Rubber Pipe Cap End Caps 2 Inch Round Black Vinyl Covers Pack of 4 Hardware Plugs for Pipes Dock Poles PVC Flexible Push On Design Metal Tubing Post Rubber Cover Snug Fit 1" Deep

Versatile Fitting: These rubber pipe caps are designed to fit the outside diameter of 2" round tubes or pipes, with the flexibility to stretch up to 2-1/16" larger for a snug fit without tearing or splitting. At 1" deep/tall, they provide a secure and reliable fit
Easy Installation: With their push-on design, these rubber covers are incredibly easy to install. They serve as a long-lasting solution for various household, outdoor, and marine boat dock projects, including replacements for fencing railing posts, steel gate rail stoppers, and more
Flooring Protection: The high-grade prescott plastics black ribbed plugs offer excellent flooring protection. They work effectively in preventing scuffs on wood floors and can be used as protection glides on chair tips, bench feet, table legs, and bar stool foot sliders, among other applications
Premium Quality: Crafted from PVC rubber, these caps are built to withstand harsh weather conditions and high-traffic areas. Whether indoors or outdoors, they maintain their quality, endurance, and durability, providing reliable protection and coverage
Precision Manufacturing: These vinyl end covers are specially designed and produced to meet rigorous quality standards. With a commitment to excellence, they offer superior performance and longevity, making them a trusted choice for a wide range of applications

Rank No. #7

Prescott Plastics 2-Inch (50mm) Round Rubber Plugs, Flexible Black End Caps for Holes, Metal Tubing, and Furniture, Durable Protective Covers, Made in USA, 4 Pack

HOW TO FIT: ** PLEASE READ ** This cap only fits OUTSIDE diameter of 2" Outside round tube or pipe & can stretch up to 1/16” larger for a snug fit without tearing or splitting. 1" deep / tall to provide a secure fit.
EASY TO INSERT: High-grade Prescott Plastics brand black soft PVC "rubber like" slip on caps are made in the USA. Our caps are designed to hold up against impact abuse, and harsh weather conditions to provide years of protection.
PREMIUM QUALITY PLUGS: Our plugs and inserts are designed to hold up in all harsh weather conditions and high traffic areas.
FLOOR 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.
MADE IN USA: These Plastic Plugs are specially designed and produced in USA to maintain quality, endurance and durability.

Rank No. #8

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

◆【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.

Rank No. #9

Nelsons CNC 10 Pack 1x1 Inch Aluminum Radius Edge Square End Caps for Square Tubing with Wall Thickness 0.125"- Easy Install Plug Metal Fence Posts, Metal Pipe, Aluminum Tubes, Hand Rail Ends

Premium Quality: These aluminum end caps are made from premium quality 6063 mill finished aluminum flat bar using CNC machines ensuring a precise fit. A beveled edge on the underside makes for easy installation. (See image for instruction).
Precise Fit: These press fit aluminum fence post end caps are made to fit 1” x 1” square tubing with a heavy wall thickness of 0.125”. Outside radius edge 0.125”. To ensure a perfect fit we recommend measuring the outside dimension (OD) of your tubing and the internal dimension (ID) of the wall thickness. 10 Pack of metal post caps.
Application: Easy application using a rubber mallet, just tap into place, no weld or adhesive required. Fence post caps will be a tight fit with no movement if correctly installed.
Uses: These fence end caps are commonly used to cap aluminum fence posts, handrails, balustrades, or wherever an open end needs capping. Not suitable for wood. Finish your project off with a long lasting quality cap. These aluminum post caps can be powder coated, imaged or anodized so you can match the end cap to your project creating a sleek look.
Packaging and Dimensions: Our packaging includes 10 items of square aluminum end caps. Outside dimensions of end caps are 1” x 1” with a 1/8” radius edge. Inside dimensions are 3/4” x 3/4”. End caps are 0.6 OZ per item. They are made from premium quality 6063 mill finished aluminum square flat bar.

Rank No. #10

CaSuTong 2 Inch (50mm) Round Plastic Plugs, Tubing End Cap, Insert End Caps for Round Metal Tube (8 Pack)

►APPLICABLE SIZE-These round tubing end caps fits 2" (Φ50mm) OD round tubing (two inch OUTSIDE diameter) with INSIDE hole diameters (ID) from 1.81" - 1.9" 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.

Last update on 2025-07-29 / Affiliate links / Images from Amazon Product Advertising API

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Brand Value: Every brand of aluminum pipe end caps has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an aluminum pipe end caps?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your aluminum pipe end caps.
Customer Ratings: Number ratings grade aluminum pipe end caps objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their aluminum pipe end caps.
Product Quality: You don’t always get what you pay for with an aluminum pipe end caps, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an aluminum pipe end caps is should be an indication of how long it will work out for you.

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FAQ:

Q: What is threaded pipe cap?

A: Threaded pipe cap is the threaded pipe fittings designed to be the ends of a piping . it is used to block off the end of a piping system by placing the cap over the open pipe . It is commonly made from the steel plate, in standard ANSI/ASME B16.9,the cap is butt welding ends, it is welded with the open pipe .

Q: What is aluminum pipe?

A: Aluminum Pipe. Aluminum Pipe is a hollow extruded aluminum that is widely used for all types of fabrication projects where lightweight and corrosion resistance is a primary concern – frame work, support columns, gates, fencing, handrails, protective barriers, etc.

Q: What is a pipe cap?

A: Pipe cap is the pipe fittings designed to be the ends of a piping. it is used to block off the end of a piping system by placing the cap over the open pipe.

Q: What is a pipe end?

A: A pipe end is the description of how the section of pipe ends. There are three main types of pipe ends: beveled, threaded or plain.