Best Square Nuts (April 2024) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

Hard-to-Find Fastener 014973314538 Coarse Square Nuts, 3/8-16, Piece-20

9.8
CPR Score
Top 2

304 Stainless Steel Machine Square Screw Nuts 304 Square Nuts M3 M4 M5 M6 M8 ...

9.8
CPR Score
Top 3

The Hillman Group 3336 1/4-20 Square Nut Zinc Plated, 40-Pack

9.6
CPR Score
Tips


Our team has analyzed 134 products of different brands, including PRIME-LINE, HONBAY, uxcell, The Hillman Group, Hard-to-Find Fastener, suiwotin, Newport Fasteners, INCREWAY, PSCCO, KINPAR, MroMax, Pro Bamboo Kitchen And FASTENERCART .COM. The following list of top 30 best Square Nuts is selected for the customers by analyzing and comparing different features.

* 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 Square Nuts Rated by CherryPicks

Market Overview
Square Nuts Reviewed
  • Reviews Analyzed: 663 Items
  • CPR Avg. Rating: 8.6 / 10
30 Products Evaluated
  • Highest Price: $254.99
  • Lowest Price: $4.19
  • Avg. Price: $19.68
Price Disclaimer

Top 30 Square Nuts on Amazon (Verified You can Buy)

Top 1

Hard-to-Find Fastener 014973314538 Coarse Square Nuts, 3/8-16, Piece-20

Hard-to-Find Fastener
014973314538
2.5 x 1.44 x 1.25 Inches
0.02 Pounds

Ratings for Hard-to-Find Fastener (CPR Score)

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

Features

Diameter: 3/8"
Thickness: 21/64 inches
Show More
Top 2

304 Stainless Steel Machine Square Screw Nuts 304 Square Nuts M3 M4 M5 M6 M8 M10 Metric Assortment Kit Nut 139Pcs

KINPAR
KINPAR
4.7244 x 1.9685 x 0.3937 Inches
0.5732 Pounds

Ratings for KINPAR (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
KINPAR -
FAST TEND -

Features

Square nuts are made of 304 stainless steel,more durable,non-toxic and corrosion resistant.
Feature: Easy to install and remove, can be used repeatedly.
Show More
Top 3

The Hillman Group 3336 1/4-20 Square Nut Zinc Plated, 40-Pack

The Hillman Group
3336
1.43 x 2.5 x 1.25 Inches
0.02 Pounds

Ratings for The Hillman Group (CPR Score)

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

Features

Square nuts are nuts with a square shape that are typically mated with square-headed bolts
Also used as a blind nut in furniture manufacture
Show More
Top 4

uxcell Square Nuts, M6x16mmx3mm Zinc-Plated Metric Coarse Thread Assortment Kit, 10 Pcs

uxcell
a20112100ux0104

Ratings for uxcell (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
uxcell 45

Features

[THREADED SIZE] - M6 x 1mm.
[DIMENSION] - 0.62"(16mm) wide, 0.12"(3mm) high.
Show More
Top 5

uxcell Square Nuts, M4x7mmx2mm Yellow Zinc Plated Metric Coarse Thread Assortment Kit, 100 Pcs

uxcell
a19030600ux0284

Ratings for uxcell (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
uxcell 45

Features

[THREADED SIZE] - M4 x 0.7mm.
[DIMENSION] - 0.28"(7mm) wide, 0.04"(2mm) high.
Show More
Top 6

Honbay 100pcs 304 Stainless Steel M3 Square Nuts

HONBAY
M3-SQUARE-NUTS-100PCS

Ratings for HONBAY (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Gocomcom 1,698

Features

M3 square nuts
Size: 5.4*5.4*2.4mm; Inner hole diameter: 3mm
Show More
Top 7

1"-8 Square Nuts, Grade 2 Steel, Plain (Quantity: 125)

Newport Fasteners

Ratings for Newport Fasteners (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Newport Fasteners -

Features

Designed for use with square bolts
Top 8

3/4"-10 Square Nuts, Grade 2 Steel, Zinc Plated (Quantity: 25)

Newport Fasteners

Ratings for Newport Fasteners (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Newport Fasteners -

Features

Designed for use with square bolts
Top 9

1/4-20 Stainless Steel Square Nuts 18-8 (25 Pcs)

FASTENERCART .COM
0.3125 Pounds

Ratings for FASTENERCART .COM (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Fasteners Fast -

Features

18-8 Stainless Steel
QC Inspected
Show More
Top 10

8-32 Stainless Steel Square Nuts 18-8 (25 Pcs)

FASTENERCART .COM
0.125 Pounds

Ratings for FASTENERCART .COM (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Fasteners Fast -

Features

18-8 Stainless Steel
QC Inspected
Show More
Top 11

uxcell Weld Nuts,M8 Square UNC Coarse Carbon Steel Machine Screw Silver Pack of 20

uxcell
a18102700ux0005
3.15 x 2.36 x 0.79 Inches

Ratings for uxcell (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
uxcell 45

Features

Specification: Thread Size: M8 x 1.25mm ;Thread Type: UNC ; Width: 14mm/0.55"; Height: 7mm/0.27";Material: Carbon steel;Grade: 4.8.
Application: Used for pipe furniture, tables and chairs, shelves, vehicles, trolley casters and other threaded connection.
Show More
Top 12

Suiwotin 100PCS Zinc Plated M3 Square Nuts, Square Machine Screw Nuts Fastener

suiwotin
EKIS0254-N

Ratings for suiwotin (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Gaarui -

Features

🌸【Package & Material】: 100PCS x Square Nuts; Material: Metal, Zinc Plated
🌸【Perfect Size】: Inner Hole Diameter: 3mm/ 0.12"; Side Length: 5.5mm/ 0.2"; Thickness: 2mm/ 0.08"
Show More
Top 13

The Hillman Group 3339 7/16-14 Square Nut Zinc Plated, 12-Pack

The Hillman Group
3339
1.43 x 2.31 x 2.5 Inches
0.42 Pounds

Ratings for The Hillman Group (CPR Score)

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

Features

Square nuts are nuts with a square shape that are typically mated with square-headed bolts
Also used as a blind nut in furniture manufacture
Show More
Top 14

100pcs M5-0.8mm Stainless Steel Square Nuts ,Metric Coarse Thread

ty00700001

Ratings for 100pcs M5-0.8mm Stainless Steel Square Nuts ,Metric Coarse Thread (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
DGZ Store -

Features

[THREADED SIZE] - M5 x 0.8mm.
[MATERIAL] - Stainless Steel.
Show More
Top 15

uxcell M8 Square Nuts, 304 Stainless Steel Metric Coarse Thread Assortment Kit, 10 Pcs

uxcell
a19030600ux0277

Ratings for uxcell (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
uxcell 45

Features

[THREADED SIZE] - M8 x 1.25mm.
[DIMENSION] - 0.51"(13mm) wide, 0.24"(6mm) high.
Show More
Top 16

Prime-Line 9192619 Square Nuts, 1/4 in-20, Zinc Plated Steel (25 Pack)

PRIME-LINE
9192619
1.5 x 3.0 x 4.0 Inches

Ratings for PRIME-LINE (CPR Score)

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

Features

Size: 1/4 inch-20
4-sided shape
Show More
Top 17

MroMax 100Pcs Square Nuts M3x5.4mmx2.4mm 304 Stainless Steel Metric Coarse Thread Assortment Kit for Mechanical Equipment, Electronic Equipment

MroMax
M3
5.0 x 5.0 x 5.0 Centimeters
0.01 Kilograms

Ratings for MroMax (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
MroMax US 9,688

Features

✅【DIMENSION】- Threaded Size: M3; Opposite side width: 5.4mm/0.21"; Thickness: 2.4mm/0.09".
✅【MATERIAL】- These Square Nuts is made of 304 stainless steel, Finish: Steel finished, anti-rust.These quality assortment washers for home, automotive, and shop use
Show More
Top 18

INCREWAY Square Nuts, 200 Pcs 304 Stainless Steel M3 Square Nuts Machine Screw Nuts Metric Coarse Nuts with Box

INCREWAY
0.1764 Pounds

Ratings for INCREWAY (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
INCREWAY US -

Features

【STAINLESS STEEL MATERIAL】-- These nuts are made of corrosion resistant A2-70 stainless steel, corrosion resistant and high-strength, making it last longer than other nuts on the market today.
【M3 SQUARE NUTS】-- 5.4*5.4*2.4mm,0.21"x0.21"x0.094"(L*W*T); Inner hole diameter: 3mm,0.118".
Show More
Top 19

3/8-16 Stainless Steel Square Nuts 18-8 (10 Pcs)

FASTENERCART .COM
0.25 Pounds

Ratings for FASTENERCART .COM (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Fasteners Fast -

Features

18-8 Stainless Steel
QC Inspected
Show More
Top 20

1/4"-20 Square Nuts, Grade 2 Steel, Zinc Plated (Quantity: 250)

Newport Fasteners

Ratings for Newport Fasteners (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Newport Fasteners -

Features

Designed for use with square bolts
Top 21

1/2-13 Stainless Steel Square Nuts 18-8 (4 Pcs)

FASTENERCART .COM
0.3125 Pounds

Ratings for FASTENERCART .COM (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Fasteners Fast -

Features

18-8 Stainless Steel
QC Inspected
Show More
Top 22

The Hillman Group 160293 1 1 1 6-32 Square Nut, 100-Pack

The Hillman Group
160293
2.31 x 2.68 x 1.56 Inches
0.09 Pounds

Ratings for The Hillman Group (CPR Score)

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

Features

Square nuts are nuts with a square shape that are typically mated with square-headed bolts
Square nuts are used along with flat washers in order to avoid damage from their sharp edges and help to increase the strength of the fastener
Show More
Top 23

uxcell Weld Nuts,M6 Tab Base UNC Carbon Steel Machine Screw 2 Projection Silver 10Pcs

uxcell
a18102700ux0007
3.15 x 2.36 x 0.79 Inches

Ratings for uxcell (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
uxcell 45

Features

Specification: Thread Size: M6 x 1mm ;Thread Type: UNC ; Width: 14mm/0.55"; Height: 8mm/0.31";Material: Carbon steel;Grade: 4.8.
Application: Used for pipe furniture, tables and chairs, shelves, vehicles, trolley casters and other threaded connection.
Show More
Top 24

Prime-Line 9192657 Square Nuts, 3/8 in-16, Zinc Plated Steel (25 Pack)

PRIME-LINE
9192657
2.5 x 4.0 x 6.0 Inches
0.47 Pounds

Ratings for PRIME-LINE (CPR Score)

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

Features

Size: 3/8 inch-16
4-sided shape
Show More
Top 25

Pro Bamboo Kitchen 30pcs Galvanized Square Nut 1/4"-20 Carbon Steel Square Nuts for Mechanical Equipment, Electronic Equipment

Pro Bamboo Kitchen
SQUARENUT-14-20-30

Ratings for Pro Bamboo Kitchen (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Pro Bamboo Kitchen -

Features

Size: 1/4"-20
Rust and corrosion protection. Suitable for indoor and outdoor
Show More
Top 26

4-40 Stainless Steel Square Nuts 18-8 (50 Pcs)

FASTENERCART .COM
0.125 Pounds

Ratings for FASTENERCART .COM (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Fasteners Fast -

Features

18-8 Stainless Steel
QC Inspected
Show More
Top 27

PSCCO 20PCS M3 Square Nuts 304 Stainless Steel Quadrate Nut Fasteners Accessories

PSCCO
SNUT-M3-20P

Ratings for PSCCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Partstock -

Features

Material: 304 stainless steel.
High quality and corrosion resistant square nut, very suitable for a variety of applications.
Show More
Top 28

M8-1.25 Stainless Steel Square Nuts DIN557 A2 (25 Pcs)

FASTENERCART .COM
0.375 Pounds

Ratings for FASTENERCART .COM (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Fasteners Fast -

Features

A2-70 Stainless Steel
QC Inspected
Show More
Top 29

Prime-Line 9192524 Square Nuts, #10-24, Zinc Plated Steel (10 Pack)

PRIME-LINE
9192524
0.5 x 3.0 x 4.0 Inches
0.0006 Pounds

Ratings for PRIME-LINE (CPR Score)

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

Features

Size: #10-24
4-sided shape
Show More
Top 30

10-32 Stainless Steel Square Nuts 18-8 (25 Pcs) UNF

FASTENERCART .COM
0.1875 Pounds

Ratings for FASTENERCART .COM (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Fasteners Fast -

Features

18-8 Stainless Steel
QC Inspected
Show More

Top 10 Square Nuts - Verified to Buy (Apr. 2024)

Top 10 Square Nuts Brands on Amazon

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

  • Hard-to-Find Fastener
  • KINPAR
  • The Hillman Group
  • uxcell
  • HONBAY
  • Newport Fasteners
  • FASTENERCART .COM
  • suiwotin
  • PRIME-LINE
  • MroMax

Top 10 Square Nuts 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.

  • 1. uxcell : 18,798 Yearly Feedback , Avg. Ratings 4.8
  • 2. Gocomcom : 2,284 Yearly Feedback , Avg. Ratings 4.8
  • 3. MroMax US : 455 Yearly Feedback , Avg. Ratings 4.9
  • 4. Amazon.com : 385 Yearly Feedback , Avg. Ratings 4.7
  • 5. Gaarui : 314 Yearly Feedback , Avg. Ratings 4.9
  • 6. Pro Bamboo Kitchen : 237 Yearly Feedback , Avg. Ratings 4.8
  • 7. Partstock : 162 Yearly Feedback , Avg. Ratings 4.9
  • 8. Fasteners Fast : 115 Yearly Feedback , Avg. Ratings 4.9
  • 9. INCREWAY US : 85 Yearly Feedback , Avg. Ratings 4.8
  • 10. DGZ Store : 79 Yearly Feedback , Avg. Ratings 4.9
Rank Name Yearly Feedbacks Avg. Ratings
🥇 uxcell 18,798 4.8
🥈 Gocomcom 2,284 4.8
🥉 MroMax US 455 4.9
4 Amazon.com 385 4.7
5 Gaarui 314 4.9
6 Pro Bamboo Kitchen 237 4.8
7 Partstock 162 4.9
8 Fasteners Fast 115 4.9
9 INCREWAY US 85 4.8
10 DGZ Store 79 4.9
View or download top Square Nuts seller & rating report
uxcell [18798] Gocomcom [2284] MroMax US [455] Amazon.com [385] Gaarui [314] Pro Bamboo Kitchen [237] Partstock [162] Fasteners Fast [115] INCREWAY US [85] DGZ Store [79] uxcell 82% Gocomcom 10% MroMax US 2% Amazon.com 2% Gaarui 1% Pro Bamboo Kitchen 1% Partstock 1% Fasteners Fast 1% INCREWAY US 0% DGZ Store 0%

[Get] Square Nuts Deals (✅Exclusively for Prime)

What does "Amazon Fulfilled" Mean?

Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.

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 Square Nuts 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 Fasteners 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 Square Nuts to buy for new April 2024?

CherryPicks’s Methodology for Evaluating Square Nuts

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 Fasteners 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 134 of Square Nuts reviews based on our selection criteria. It helped us shortlist the top qualified and rated Square Nuts for Fasteners, We found that most customers choose Square Nuts with an average price of $19.68, and the top brands are PRIME-LINE, HONBAY, uxcell, The Hillman Group, Hard-to-Find Fastener, suiwotin, Newport Fasteners, INCREWAY, PSCCO, KINPAR, MroMax, Pro Bamboo Kitchen And FASTENERCART .COM

Then our expert-level editors reviewed all those quality items and selected the top 30 Square Nuts for you, We have researched hundreds of sellers and picked the top sellers for Fasteners, including uxcell, Gocomcom, MroMax US, Amazon.com, Gaarui, Pro Bamboo Kitchen, Partstock, Fasteners Fast, INCREWAY US, Newport Fasteners, FAST TEND And KINPAR. The Hard-to-Find Fastener 014973314538 Coarse Squar... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 134 consumers with an average rating of 4.5.

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 Square Nuts 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.