Best Square Nuts In April 2024

In this article, we will present the top 10 Best Square Nuts available on the market, along with our expert reviews. Get one of them and have fun! You’ll love it!

To help you in your search, we have completed this list of the Best Square Nuts.

Top Rated Best Square Nuts Of 2024

Rank	Product Name	Score
1	Hard-to-Find Fastener 014973314538 Coarse Square Nuts, 3/8-16, Piece-20 Buy Now	9.7 Buy Now
2	Prime-Line 9192657 Square Nuts, 3/8 in-16, Zinc Plated Steel, 25-Pack Buy Now	9.5 Buy Now
3	The Hillman Group 3336 1/4-20 Square Nut Zinc Plated, 40-Pack Buy Now	9.1 Buy Now
4	Prime-Line 9192619 Square Nuts, 1/4 in-20, Zinc Plated Steel, 25-Pack Buy Now	8.8 Buy Now
5	Prime-Line 9192638 Square Nuts, 5/16 in.-18, Zinc Plated Steel, 25-Pack Buy Now	8.6 Buy Now
6	Honbay 100pcs 304 Stainless Steel M3 Square Nuts Buy Now	8.3 Buy Now
7	Powlankou 200 Pieces 304 Stainless Steel M3 Square Nuts Buy Now	8.1 Buy Now
8	Yoohey 90-Pieces M3 M4 M5 Stainless Steel Square Nuts Buy Now	7.8 Buy Now
9	60Pcs M3 304 Stainless Stee Metric Square Nuts, Machine Screw Nuts Metric Coarse Buy Now	7.5 Buy Now

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

1

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9.7/10 our score

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• Finish: zinc
• Material: steel
• Driver type: 5/8" wrench
• Diameter: 3/8"
• Thickness: 21/64 inches

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

2

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9.5/10 our score

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• Not as commonly used as hex nuts
• Size: 3/8 inch-16
• 4-sided shape
• Typically used in combination with a washer (not included)
• Screws onto a bolt, cap screw or threaded rod of the same thread size

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

3

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9.1/10 our score

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• Quantity per pack: 40
• Also used as a blind nut in furniture manufacture
• Zinc-plated for moderate corrosion resistance
• Square nuts are nuts with a square shape that are typically mated with square-headed bolts

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

4

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8.8/10 our score

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• Screws onto a bolt, cap screw or threaded rod of the same thread size
• Not as commonly used as hex nuts
• Typically used in combination with a washer (not included)
• 4-sided shape
• Size: 1/4 inch-20

5. Prime-Line 9192638 Square Nuts, 5/16 in.-18, Zinc Plated Steel, 25-Pack

5

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8.6/10 our score

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• Size: 5/16 inch-18
• Screws onto a bolt, cap screw or threaded rod of the same thread size
• 4-sided shape
• Typically used in combination with a washer (not included)
• Not as commonly used as hex nuts

6. Honbay 100pcs 304 Stainless Steel M3 Square Nuts

6

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8.3/10 our score

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• Material: 304 stainless steel
• Size: 5.4*5.4*2.4mm, inner hole diameter: 3mm
• Pack of 100
• M3 square nuts

7. Powlankou 200 Pieces 304 Stainless Steel M3 Square Nuts

7

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8.1/10 our score

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• Materialmade of 304 stainless steel, which is superior to regular steel and any zinc plated fasteners, provides good strength and corrosion resistance in bad environments, which can ensure long time using.
• Wide applicationsit can be widely used in all kinds of precision machinery, classified instruments, instruments, electronic products, household appliances, communication products, locks, lamps, lights, toys, etc. ideal for use by a variety of workers and repairmen from plumbers to assemblymen both professional and amateur.
• Package included200 pieces m3 stainless steel 18-8 (304) square nuts. please don't hesitate to contact us if you have any questions or concerns. nuts are internally threaded fasteners that are used with bolts and threaded rods and studs to connect components.
• M3 stainless square nutwidely used in a variety of industries such as construction, manufacturing, engineering, assembling, aircraft and so on and serves a wide range of use for professionals, amateurs, landlords, repairmen.
• Dimensionthread inner diameter: m3 (3mm / 0.12inch), height: 2.5mm / 0.1inch, pitch: 0.5mm/0.02inch, square width: 5.5mm / 0.22inch, coarse thread, color: silver tone, quantity: 200 pieces.

8. Yoohey 90-Pieces M3 M4 M5 Stainless Steel Square Nuts

8

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7.8/10 our score

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• Function: different types of square nuts,designed to stand off the material to allow easy weld penetration, great replacement for industrial and construction fasteners.
• Application: square nuts assorment kit suitable for electronics, lighting, toys, sanitary ware, medical, sports equipment etc. hardware fastening accessories.
• Package includes : 30pcs x m3 + 30pcs x m4 + 30pcs x m5.
• Size (hole diameter*pitch): m3 x 0.5 mm, m4 x 0.7 mm, m5 x 0.8 mm.
• High quality: square nuts made of high quality 304 stainless steel, anti-corrosion and high-strength, perfect for various application environment.

9. 60Pcs M3 304 Stainless Stee Metric Square Nuts, Machine Screw Nuts Metric Coarse

9

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7.5/10 our score

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• material: 304 stainless steel, corrosion resistant galvanized finish to ensure life-time use, these quality assortment washers for home, automotive, and shop use.
• size: m3 m4 m5 m6 m8 m10
• quantity: it contains 60pcs m3 304 stainless steel square nuts. different types of square nuts,designed to stand off the material to allow easy weld penetration,widely used to industrial machine.
• product name: m3 metric 304 stainless steel square nuts. the item come with a sturdy plastic bag for convenient to store and carry.
• widely application: great replacement for industrial and construction fasteners,also can be a important accessories in your daily life.