Best Lab Corks (March 2024) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

Cork Stoppers, Size 4, XXX Quality, Karter Scientific 19A4 (Pack of 25)

9.9
CPR Score
Top 2

XXXX Quality Cork Stoppers, Size 6, Top: 19 mm, Bottom: 15 mm, Pack of 100

9.7
CPR Score
Top 3

Eisco Labs Cork Stopper - Bark, Size no. 1, Bottom 8mm, top 11mm, Length 16mm...

9.7
CPR Score
Tips


Our team has analyzed 111 products of different Lab & Scientific Products brands, including Unknown, QWORK, EISCO, Karter Scientific, WIDGETCO, Jelinek Cork Group, Carolina Biological Supply Company, Frey Scientific, Hygloss, GSC International And Humboldt. The following list of top 27 Lab Corks is prepared for the customers by analyzing and comparing different 111 Lab Corks reviews.

* Cherrypicksreviews.com is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

The Best Lab Corks Rated by CherryPicks

Market Overview
Lab Corks Reviewed
  • Reviews Analyzed: 1,950 Items
  • CPR Avg. Rating: 8.6 / 10
27 Products Evaluated
  • Highest Price: $143.71
  • Lowest Price: $5.95
  • Avg. Price: $24.06
Price Disclaimer

Top 27 Lab Corks on Amazon (Verified You can Buy)

Top 1

Cork Stoppers, Size 4, XXX Quality, Karter Scientific 19A4 (Pack of 25)

Karter Scientific
19A4

Ratings for Karter Scientific (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Lake Charles Manufacturing -

Features

Cork Stoppers: Size 4 (XXX Quality)
Top Diameter: 15.8mm
Show More
Top 2

XXXX Quality Cork Stoppers, Size 6, Top: 19 mm, Bottom: 15 mm, Pack of 100

Unknown

Ratings for Unknown (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Carolina Biological Supply Company 9,400

Features

The Carolina Pledge: 100% Satisfaction Guaranteed. All of our products are unconditionally guaranteed. If for any reason you are not satisfied with any item, you may return it for a replacement, a refund, or credit. It's that simple.
From our beginnings in 1927, Carolina Biological Supply Company has grown to become a leading supplier of science teaching materials for all levels of education. Today, from our headquarters in Burlington, North Carolina, we serve customers worldwide, including teachers, professors, homeschool educators, hobbyists, and professionals in health and science-related fields.
Show More
Top 3

Eisco Labs Cork Stopper - Bark, Size no. 1, Bottom 8mm, top 11mm, Length 16mm, pk of 10

EISCO
CH0310D
10.0 x 8.0 x 1.0 Inches
0.022 Pounds

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
hBARSCI 4,156

Features

Size # 1
Cork Stopper
Show More
Top 4

10PK Cork Stoppers, Size #11-21mm Bottom, 27mm Top, 31mm Length - Tapered Shape, Natural Bark Material - Great for Household & Laboratory Use - Eisco Labs

EISCO
CH0310N
10.0 x 8.0 x 1.0 Inches
0.1 Pounds

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
hBARSCI 4,156

Features

CORK STOPPERS || Pack of ten, premium quality cork stoppers
SIZE #11 || Each stopper measures 31mm in length, has a base diameter measuring 21mm, and a top diameter measuring 27mm. Ideal for bottles, flasks and tubes with a mouth/opening measuring 22-26mm in diameter
Show More
Top 5

Frey Scientific - 586698 Natural Cork, 19mm Top Diameter, 15mm Bottom Diameter, #6 Size (Pack of 100)

Frey Scientific
586698
  • Unknown: English

Ratings for Frey Scientific (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Make less of a mess when mopping with this convenient tool
Perfect for use at schools, businesses and healthcare facilities
Show More
Top 6

Hygloss Products, Inc Cork Stoppers for Arts and Crafts-Natural-Variety of Creative Uses-Assorted Pieces, Asst'd Sizes-40 Pcs

Hygloss
39909
5.0 x 3.0 x 2.0 Inches
0.1 Pounds

Ratings for Hygloss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Lifeline Brands 797
Hour Loop 34

Features

GREAT FOR A VARIETY OF PURPOSES - Hygloss Cork Stoppers are made of natural cork and are fabulously versatile at home or in the classroom. They are great for a variety of creative uses and projects
IDEAL FOR ARTS and CRAFTS - These cork stoppers are ideal for all your crafting needs, like assembling models, dolls and animals. Use them for making home decorations like cork wreaths and ornaments
Show More
Top 7

10PK Cork Stoppers, Size #6-13mm Bottom, 19mm Top, 24mm Length - Tapered Shape, Natural Bark Material - Great for Household & Laboratory Use - Eisco Labs

EISCO
CH0310I
10.0 x 8.0 x 1.0 Inches
0.022 Pounds

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
hBARSCI 4,156

Features

CORK STOPPERS || Pack of ten, premium quality cork stoppers
SIZE #6 || Each stopper measures 24mm in length, has a base diameter measuring 13mm, and a top diameter measuring 19mm. Ideal for bottles, flasks and tubes with a mouth/opening measuring 14-18mm in diameter
Show More
Top 8

10PK Cork Stoppers, Size #5-12mm Bottom, 17mm Top, 22mm Length - Tapered Shape, Natural Bark Material - Great for Household & Laboratory Use - Eisco Labs

EISCO
CH0310H
10.0 x 8.0 x 1.0 Inches
0.1 Pounds

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
hBARSCI 4,156

Features

CORK STOPPERS || Pack of ten, premium quality cork stoppers
SIZE #5 || Each stopper measures 22mm in length, has a base diameter measuring 12mm, and a top diameter measuring 17mm. Ideal for bottles, flasks and tubes with a mouth/opening measuring 13-15mm in diameter
Show More
Top 9

XXXX Quality Cork Stoppers, Size 10, Top: 25 mm, Bottom: 20 mm, Pack of 100

Carolina Biological Supply Company
8.1 x 6.3 x 3.7 Inches
1.0 Pounds

Ratings for Carolina Biological Supply Company (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Carolina Biological Supply Company 9,400

Features

Standard-tapered, good-quality, laboratory-grade corks
#10. Pack of 100.
Show More
Top 10

Frey Scientific 586695 Natural Cork, 16mm Top Diameter, 12mm Bottom Diameter, #4 Size (Pack of 100)

Frey Scientific
586695
  • Unknown: English

Ratings for Frey Scientific (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Size 4 rubber stopper for sealing containers (sold separately)
XX-grade coarse-grained stopper may include some irregularities
Show More
Top 11

GSC International CS-10-100 Cork Stopper, Size 10 (Pack of 100)

GSC International
CS-10-100
1.0 x 1.0 x 1.25 Inches
0.0038 Pounds

Ratings for GSC International (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Thomas Scientific -
GSC Go Science Crazy -

Features

These lab-grade cork stoppers are size 10. Size 10 means that the stopper is roughly 5/4" tall, 1" in its top diameter, and 49/64" in its bottom diameter. They are sold in a pack of 100 stoppers.
The natural cork has imperfections including holes.
Show More
Top 12

Cork Borer Set, Set of 12 Sizes - 4-18mm - German Pattern - Brass, Nickel Plated Finish - Eisco Labs

EISCO
1.25 x 3.0 x 8.5 Inches
1.0 Pounds

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
hBARSCI 4,156

Features

Compact, cork borer set
Made of quality brass with a nickel plated finish
Show More
Top 13

GSC International CS-3-100 Cork Stopper, Size 3 (Pack of 100)

GSC International
CS-3-100
0.56 x 0.56 x 0.75 Inches
0.0019 Pounds

Ratings for GSC International (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
GSC Go Science Crazy -

Features

These lab-grade cork stoppers are size 3. Size 3 means that the stopper is roughly 3/4" tall, 9/16" in its top diameter, and 27/64" in its bottom diameter. They are sold in a pack of 100 stoppers.
The natural cork is safe for use with food products.
Show More
Top 14

Eisco Labs Cork Stopper - Bark, Size no. 7, Bottom 15mm, top 21mm, Length 25mm, pk of 10

EISCO
CH0310J
10.0 x 8.0 x 1.0 Inches

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
hBARSCI 4,156

Features

Size # 7
Cork Stopper
Show More
Top 15

10PK Cork Stoppers, Size #2-9mm Bottom, 13mm Top, 17mm Length - Tapered Shape, Natural Bark Material - Great for Household & Laboratory Use - Eisco Labs

EISCO
CH0310E
10.0 x 8.0 x 1.0 Inches

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
hBARSCI 4,156

Features

CORK STOPPERS || Pack of ten, premium quality cork stoppers
SIZE #2 || Each stopper measures 17mm in length, has a base diameter measuring 9mm, and a top diameter measuring 13mm. Ideal for bottles, flasks and tubes with a mouth/opening measuring 10-12mm in diameter
Show More
Top 16

10PK Cork Stoppers, Size #10-20mm Bottom, 25mm Top, 31mm Length - Tapered Shape, Natural Bark Material - Great for Household & Laboratory Use - Eisco Labs

EISCO
10.0 x 8.0 x 1.0 Inches
0.022 Pounds

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
hBARSCI 4,156

Features

CORK STOPPERS || Pack of ten, premium quality cork stoppers
SIZE #10 || Each stopper measures 31mm in length, has a base diameter measuring 20mm, and a top diameter measuring 25mm. Ideal for bottles, flasks and tubes with a mouth/opening measuring 21-24mm in diameter
Show More
Top 17

CORK-RING-4 | GSC International CORK-RING-4 Cork Lab Ring, 30mm Height by 170mm Diameter Ring, 125mm Inner Diameter by 150mm Outer Diameter Hole

GSC International
CORK-RING-4
6.75 x 6.75 x 1.25 Inches
0.1375 Pounds

Ratings for GSC International (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
GSC Go Science Crazy -

Features

Package Dimensions: 19.812 cms (L) x 31.75 cms (W) x 31.75 cms (H)
Product Type: Lab Supply
Show More
Top 18

10PK Cork Stoppers, Size #3-10mm Bottom, 14mm Top, 19mm Length - Tapered Shape, Natural Bark Material - Great for Household & Laboratory Use - Eisco Labs

EISCO
CH0310F
10.0 x 8.0 x 1.0 Inches
0.022 Pounds

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
hBARSCI 4,156

Features

CORK STOPPERS || Pack of ten, premium quality cork stoppers
SIZE #3 || Each stopper measures 19mm in length, has a base diameter measuring 10mm, and a top diameter measuring 14mm. Ideal for bottles, flasks and tubes with a mouth/opening measuring 11-13mm in diameter
Show More
Top 19

10PK Cork Stoppers, Size #8-17mm Bottom, 22mm Top, 27mm Length - Tapered Shape, Natural Bark Material - Great for Household & Laboratory Use - Eisco Labs

EISCO
CH0310K
10.0 x 8.0 x 1.0 Inches

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
hBARSCI 4,156

Features

CORK STOPPERS || Pack of ten, premium quality cork stoppers
SIZE #8 || Each stopper measures 27mm in length, has a base diameter measuring 17mm, and a top diameter measuring 22mm. Ideal for bottles, flasks and tubes with a mouth/opening measuring 18-21mm in diameter
Show More
Top 20

10PK Cork Stoppers, Size #9-18mm Bottom, 24mm Top, 29mm Length - Tapered Shape, Natural Bark Material - Great for Household & Laboratory Use - Eisco Labs

EISCO
CH0310L
10.0 x 8.0 x 1.0 Inches

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
hBARSCI 4,156

Features

CORK STOPPERS || Pack of ten, premium quality cork stoppers
SIZE #9 || Each stopper measures 29mm in length, has a base diameter measuring 18mm, and a top diameter measuring 24mm. Ideal for bottles, flasks and tubes with a mouth/opening measuring 19-23mm in diameter
Show More
Top 21

WidgetCo Size 36 Large Cork Stoppers, Economical

WIDGETCO
6-R36-AGG-CS-Amazon-Price-1

Ratings for WIDGETCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Fit The Matrix -
WidgetCo, Inc. -
Top 22

WidgetCo Size 18 Cork Stoppers, XXXX Grade

WIDGETCO
6-R18-XXXX-CS-Amazon-Price-1

Ratings for WIDGETCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Fit The Matrix -
WidgetCo, Inc. -
Top 23

QWORK Cork Rubber Stopper Borer Tool, 7 Piece Cork Borer Set

QWORK
WD5781

Ratings for QWORK (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
QWORK 1,053

Features

Durable: Made of iron material, chrome plated, strong and durable, corrosion resistant, long service life.
Size: 1/8", 1/4", 5/16", 3/8, 1/2", 9/16", 5/8".
Show More
Top 24

HUMBOLDT H-9655 Cork Borer Set, Eight Plated Steel Borers

Humboldt
H-9655

Ratings for Humboldt (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Product Type:Lab Supply
Item Package Dimension:20.828 Centimeters L X 20.828 Centimeters W X 21.843 Centimeters H
Show More
Top 25

Cork Roll (48x72)

Jelinek Cork Group

Ratings for Jelinek Cork Group (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
The Cork Store -

Features

72 inch long cork roll for bulletin boards and more
cork is an environmentally sustainable product, a polyurethane adhesive is used as the binder.
Show More
Top 26

GSC International CS-8-100 Cork Stopper, Size 8 (Pack of 100)

GSC International
CS-8-100
0.88 x 0.88 x 1.06 Inches
0.0031 Pounds

Ratings for GSC International (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
GSC Go Science Crazy -

Features

These lab-grade cork stoppers are size 8. A size 8 stopper is approximately 17/16 inches tall, 7/8 inch top diameter, and 43/64 inch bottom diameter. They are sold in a pack of 100 stoppers.
The natural cork is safe for use with food products.
Show More
Top 27

GSC International Cork-Ring-3 Cork Lab Ring, 90 mm x 140 mm

GSC International
CORK-RING-3
5.5 x 5.5 x 1.25 Inches
0.1625 Pounds

Ratings for GSC International (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Package Dimensions: 13.97 cms (L) x 13.716 cms (W) x 3.302 cms (H)
Package Quantity: 1
Show More

Top 10 Lab Corks - Verified to Buy (Mar. 2024)

Top 10 Lab Corks Brands on Amazon

Here is the list of top-rated brands that were evaluated by CherryPicks.

  • Karter Scientific
  • Unknown
  • EISCO
  • Frey Scientific
  • Hygloss
  • Carolina Biological Supply Company
  • GSC International
  • WIDGETCO
  • QWORK
  • Humboldt

Top 10 Lab Corks Sellers: CPR Seller Rank List

CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.

Rank Name Yearly Feedbacks Avg. Ratings
🥇 Hour Loop 21,077 4.9
🥈 QWORK 3,077 4.9
🥉 Lifeline Brands 3,016 4.8
4 hBARSCI 1,193 4.8
5 Lake Charles Manufacturing 560 4.9
6 Fit The Matrix 475 4.9
7 Amazon.com 385 4.7
8 WidgetCo, Inc. 161 4.8
9 Thomas Scientific 130 4.5
10 Carolina Biological Supply Company 74 4.7
View or download top Lab Corks seller & rating report
Hour Loop [21077] QWORK [3077] Lifeline Brands [3016] hBARSCI [1193] Lake Charles Manufacturing [560] Fit The Matrix [475] Amazon.com [385] WidgetCo, Inc. [161] Thomas Scientific [130] Carolina Biological Supply Company [74] Hour Loop 70% QWORK 10% Lifeline Brands 10% hBARSCI 4% Lake Charles Manufacturing 2% Fit The Matrix 2% Amazon.com 1% WidgetCo, Inc. 1% Thomas Scientific 0% Carolina Biological Supply Company 0%

[Get] Lab Corks Deals (✅Exclusively for Prime)

What does "Amazon Fulfilled" Mean?

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When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.

What does "Prime" Mean?

"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are  an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.

Prime members also have access to other benefits, including 2-Day ShippingExclusive Member DealsPrime VideoBuy With PrimeAmazon MusicPrime Gaming, and more.

Shop Prime Lab Corks Deals

What does "Free Shipping" Mean?

"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.

Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.


Why Should You Trust Us?

Now hundreds and thousands of Lab & Scientific Products supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Lab Corks to buy for new March 2024?

CherryPicks’s Methodology for Evaluating Lab Corks

We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Lab & Scientific Products items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.

We collected and analyzed 111 of Lab Corks reviews based on our selection criteria. It helped us shortlist the top qualified and rated Lab Corks for Lab & Scientific Products, We found that most customers choose Lab Corks with an average price of $24.06, and the top brands are Unknown, QWORK, EISCO, Karter Scientific, WIDGETCO, Jelinek Cork Group, Carolina Biological Supply Company, Frey Scientific, Hygloss, GSC International And Humboldt. 

Then our expert-level editors reviewed all those quality items and selected the top 27 Lab Corks for you, We have researched hundreds of sellers and picked the top sellers for Lab & Scientific Products, including Hour Loop, QWORK, Lifeline Brands, hBARSCI, Lake Charles Manufacturing, Fit The Matrix, Amazon.com, WidgetCo, Inc., Thomas Scientific, Carolina Biological Supply Company, The Cork Store And GSC Go Science Crazy. The Cork Stoppers, Size 4, XXX Quality, Karter Scie... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 709 consumers with an average rating of 4.3.

We've helped a lot of satisfied users get the right Industrial & Scientific product based on their needs, and save lots of time for them to pick Lab Corks to buy.


Written By Ronald M. Bieber

Ronald M. Bieber has rich experience as a science lab instructor in a college and this has provided him with the right requisite knowledge and experience to be a professional in the act of spotting the right and wrong product. He would be helping us make the right choice in this regard.