Best Square Nuts in 2026
Daisy
Last Updated: Feb 7, 2026
Daisy
Last Updated: Feb 7, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Unistrut Service Company | 9.47 | ✅ | ✅ | ✅ |
Genuine UNISTRUT Brand
1-5/8" Square White Plastic Strut Channel End Cap
For use with: P1000, P1100 & P2000 and All 1-5/8” Tall Strut Channels
Works with P9000 Telestrut
Pack of 50 Pieces
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Orcity | 9.87 | ✅ | ✅ | ✅ |
✅Features -- Butterfly wing nuts is made of high quality stainless steel, corrosion resistant, strong and durable. Thread is better for brittle material, ensure a long lasting hold.
✅Dimension -- Square wing nut inner diameter: M12:12mm/0.47", M10:10mm/0.39", M8:8mm/0.31", M6:6mm/0.23", M5:5mm/0.19", M4:4mm/0.15", M3:3mm/0.11". Metric Measurement!
✅Easy to Use -- Features two stainless steel butterfly shape wings, one on each side , easy twist the nut by hand without any other tools.
✅Application -- Wing nuts are suitable for places with high adjustment frequency, such as industrial manufacturing, fast positioning clamps, musical instruments, machinery and equipment, communications equipment, hardware lighting, furniture decoration, etc.
✅Package Includes -- Total 100 pcs wing nuts, includes 7 most used sizes: M3(25pcs), M4(25pcs), M5(20pcs), M6(10pcs), M8(10pcs), M10(6pcs), M12(4pcs), organized by size in a transparent storage case for quick access and protection.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Diameter: 3/8"
Thickness: 21/64 inches
Material: Steel
Finish: Zinc
Driver Type: 5/8" Wrench
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| YUNSHUO LLC | 6.23 | ✅ | ✅ | ✅ |
M3 Thin Square Nut: Thickness: 0.07 inch/1.8mm
Thread: M3, L x W: 0.21x0.21 inch, Size: 5.4x5.4x1.8mm
Material: 304/A2 Stainless Steel
Well Made Nut with Good Plating, Fit for Prusa I3 Printer
What You Get: 100Pcs of M3 Square Nuts with thickness 1.8mm
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GygiSellsLLC | 6.20 | ✅ | ✅ | ✅ |
The Heat Is On – These packaged party mix snacks are great for adults and kids. Our habanero hot and spicy pub mix has cajun sesame sticks, sweet and salty roasted original peanuts, habanero roasted corn nuts, hot and spicy sesame sticks, crunchy pretzel balls, nacho corn sticks, and honey mustard spuggets.
Not Your Average Trail Mix - These savory pantry snacks are a flavorful blend of spicy salty snacks that are sure to be a crowd pleaser at any event. Leave those vending machine snacks alone, and say hello to high quality ingredients freshly packaged in a resealable jar that you can pack into your lunchbox or backpack. A healthy helping of sesame sticks, nuts, and spice, your taste buds will love this Beer Nuts bar mix.
Resealable Container – BEER NUTS Original Peanuts are packaged in a convenient resealable jar that locks in freshness. Perfect for on the go snacking, these nuts are a good backpacking food and a hiking snack. A great choice for tailgate food, care packages, and party mix snacks.
A Snack For Every Tastebud – Our blend of unique flavors makes the perfect party, tavern, bar, and pub snack mix. BEER NUTS come in a variety of flavor choices including spicy, sweet, salty, wasabi, cheesy, nutty, smoky, fruity, and many more! These pantry snacks are available in many sizes, including travel size and bulk. With so many options everyone can find something they enjoy!
Made In The USA - BEER NUTS have been produced in America for the last half a century! We produce all BEER NUTS products at our 100,000 square-foot facility in Bloomington, Indiana. We think you’ll agree that the unique sweet & salty taste continues to be beer’s best match.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| FSATNDE | 7.21 | ✅ | ✅ | ✅ |
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.
The square nuts of different sizes, designed to highlight the material and facilitate welding penetration, are widely used in industrial machinery.
All the small parts are packed in a transparent plastic box with compartments, which is convenient to carry, store or reuse as a backup kit.
Applications: Machinery and equipment, electronic equipment, communications equipment, hardware lighting, building bridges, furniture decoration, etc.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| TheLionGroup | 9.93 | ✅ | ✅ | ✅ |
The Heat Is On - You could use more fire in your life. When our Habanero Bar Mix rolls up, don't back down! It's got Habanero flavored Peanuts, Corn Sticks, and Insane Grain. Hold on tight: this mix has kick. These packaged party mix snacks are great for adults and kids who like spicy food.
Beer's Best Friend - Enjoy this ready-to-eat food on its own or pair it with a beer or any other beverage for an extra special treat. A crunchy, spicy and salty snack anytime.
Resealable Bag - You'll be the party hero and bar VIP with a big bag of this snackable miracle. It's resealable in case you have leftovers, but let's be honest: you won't. Better grab a few and stock the bar.
A Snack For Every Tastebud - Not your average spicy pub mix, party mix, or spicy trail mix, our Habanero Bar Mix is unique and amazing! Additionally, BEER NUTS has a range of products with a variety of flavor choices including spicy, sweet, salty, wasabi, cheesy, nutty, chocolatey, and many more! These pantry snacks are available in many sizes, including travel size and bulk. With so many options everyone can find something they enjoy!
Made In The USA - BEER NUTS have been produced in America for more than half a century! We produce all BEER NUTS products at our 100,000 square-foot facility in Bloomington, Illinois. An American icon, since 1953. We think you’ll agree that the unique taste continues to be beer’s best match.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| uxcell | 9.95 | ✅ | ✅ | ✅ |
Specification: Thread Size: M8 x 1.25mm ;Thread Type: UNC ; Width: 14mm/0.55"; Height: 10mm/0.39";Material: Carbon steel;Grade: 4.8.
Application: Used for pipe furniture, tables and chairs, shelves, vehicles, trolley casters and other threaded connection.
Steps: First clean the welding surface, using sandpaper or steel brush to remove the joint oxide.Second welding a little bit and adjust the verticality of the thread .Finally solder all the solder joints.
Package Content: 25 Pcs x Square Weld Nut
Advantages: Flat solder joints, steel ,good weldability, thread size accuracy.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| TheLionGroup | 9.93 | ✅ | ✅ | ✅ |
A Sweet & Spicy Snack Mix - Okay, we can't actually send you to Cabo, but our Cantina Mix with Twang is pretty close. Enjoy the bold flavors of guacamole and habanero sticks, chili lime insane grain, and Twang-seasoned BEER NUTS Original Peanuts. Perfect with a frozen margarita or a chilled beer.
Shareable Pantry Snacks - This has a great variety of your favorite salted snacks all mixed together with some added heat to kick up the flavors!
Resealable Bag - You'll be the party hero and bar VIP with a big bag of this snackable miracle. It's resealable in case you have leftovers, but let's be honest: you won't. Better grab a few and stock the bar.
A Snack For Every Tastebud - Not your average sweet and spicy trail mix, BEER NUTS Cantina Mix with Twang is the perfect mix. BEER NUTS has a range of products with a variety of flavor choices including spicy, sweet, salty, wasabi, cheesy, nutty, chocolatey, and many more! These pantry snacks are available in many sizes, including travel size and bulk. With so many options everyone can find something they enjoy!
Made In The USA - BEER NUTS have been produced in America for more than half a century! We produce all BEER NUTS products at our 100,000 square-foot facility in Bloomington, Illinois. An American icon, since 1953. We think you’ll agree that the unique taste continues to be beer’s best match.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| XingHuaFeng | 5.55 | ✅ | ✅ | ✅ |
High Quality Metric Stainless Steel Square Nuts Assortment Kit,6 Sizes of the most commonly used Square Nuts Can meet your different needs.
Made of high quality 304 stainless steel, which features is strength and offers good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and the excellent of oxidation resistance, which can ensure long time using.
Different types of square nuts,designed to stand off the material to allow easy weld penetration,widely used to industrial machine.Usually use screws to clamp the connected terminal wire; use a wrench to fix the square nut, and use a drive tool to lock the screw in the tightening position.
It suitable for indoor and outdoor, widely used in civil furniture, equipment, construction, electrical appliances, industrial machinery, etc., generally used with fasteners, screws, washers, screws, etc., mainly for connection, assembly, fixing and other functions.
Packing Quantity: M3(50 pcs),M4(40 pcs),M5(30 pcs),M6(25 pcs),M8(15 pcs),M10(10 pcs).Total 170Pcs. All contained in a sturdy and transparent plastic box, can be use for a storage box.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| E-outstanding | 9.90 | ✅ | ✅ | ✅ |
The package includes: 20PCS M4 square nuts.
Material: 304 stainless steel.
High-quality square nuts are very suitable for various applications.
Widely used in industrial machinery.
The square nut is designed to be separated from the material to facilitate welding.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| NACX | 9.01 | ✅ | ✅ | ✅ |
Diameter: 5mm/ 0.19'', Width: 8mm/ 0.31'', Thickness: 3mm/ 0.11''.
The product is smooth without burr, with high quality workmanship and durable fastening.
The thread is neat and clear, uniform stress, not easy to slide.
Environment friendly color zinc plating process, with uniform and high hardness coating.
Package Included: 250Pcs M5 x 8mm x 3mm Square Nuts.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| WenSiLong | 9.74 | ✅ | ✅ | ✅ |
PRODUCT MATERIAL: Rivet nuts are made of high quality 304 stainless steel, strong rust and corrosion resistant for a long time use, non faded, anti-oxidation, healthy and lead-free, high strength, non-deforming
USES: 304 Rivet nuts is usually used in various metal sheets, pipes and other manufacturing industries, and widely used in the assembly of electromechanical and light industrial products such as automobiles, aviation, railways, refrigeration, switches, instruments, furniture, elevators and decoration.
QUANTITY: We check all the 304Rivet nuts, you will not receive insufficient quantity after purchase
AFTER-SALES SERVICE: If you encounter any problems after purchasing our products, please contact us by email, we will solve your problems as soon as possible.
SPECIFICATION: 1/4"-20
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| WenSiLong | 9.74 | ✅ | ✅ | ✅ |
PRODUCT MATERIAL: Rivet nuts are made of high quality 304 stainless steel, strong rust and corrosion resistant for a long time use, non faded, anti-oxidation, healthy and lead-free, high strength, non-deforming
USES: 304 Rivet nuts is usually used in various metal sheets, pipes and other manufacturing industries, and widely used in the assembly of electromechanical and light industrial products such as automobiles, aviation, railways, refrigeration, switches, instruments, furniture, elevators and decoration.
QUANTITY: We check all the 304Rivet nuts, you will not receive insufficient quantity after purchase
AFTER-SALES SERVICE: If you encounter any problems after purchasing our products, please contact us by email, we will solve your problems as soon as possible.
SPECIFICATION: 1/4-20(40Pcs)10-24(40Pcs)8-32(40Pcs)5/16-18(10Pcs)3/8-16(8PCS)
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Beer Nuts | 3 |
| Wensilon | 2 |
| E-Outstanding | 1 |
| Guard4U | 1 |
| Hard-To-Find Fastener | 1 |
| Kinpar-Fsatnde | 1 |
| Nacx | 1 |
| Ocr | 1 |
| Unistrut | 1 |
| Uxcell | 1 |
We've carried out a comprehensive analysis of 928 reviews on square nuts, using our selection criteria to identify the best options in the fasteners. Our findings reveal that most customers typically select square nuts priced around $18.83, with top brands including wensilon and hard-to-find fastener and kinpar-fsatnde
Our team of expert editors reviewed these high-quality items and handpicked the top 14 square nuts for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the fasteners category. These include wensilong and amazon.com and fsatnde .
We are dedicated to assisting our users in finding the right nuts Products based on their needs, saving them considerable time when choosing which square nuts to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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