Best Square Head Bolts - Buying Guide
Last Updated: 05/26/2024
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Bestselling Square Head Bolts on Amazon
- Hard-to-Find Fastener 014973311971 Square Head Bolts, 5/16-18 x 1, Piece-10
- uxcell Square Head Bolt, 20pcs M6x16mm Fully Thread Carbon Steel Grade 4.8 Square Machine Screws
- Rustic Square Head Lag Screws, Black Oxide Finish Lag Bolts, 1/4 x 1 1/2-Inch, (Pack of 100)
- (10) Square Head 3/4-10 x 4 Bolts Unplated A307 1-1/8 Square
- The Hillman Group 50211 Square Bolts with Nut, 8-Pack
- Small Parts FSC141SHB Grade A Steel Square Head Bolt, 1/4"-20" Thread Size, 1" Long (Pack of 25)
- Lexar Industrial (15) Square Head 5/8-11 x 4inches Bolts Unplated A307 15/16inches Sq
- uxcell Square Head Bolt, 2pcs M6x20mm Fully Thread 304 Stainless Steel Grade C Square Machine Screws
- Small Parts FSC142SHB Grade A Steel Square Head Bolt, 1/4"-20" Thread Size, 2" Long (Pack of 25)
- uxcell Square Head Bolt, 20pcs M6x16mm Fully Thread Carbon Steel Grade 8.8 Square Machine Screws, Gray
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Hard-to-Find Fastener 014973311971 Square Head Bolts, 5/16-18 x 1, Piece-10
Asin: B00L1L2HEO | Model: 014973311971 | PartNumber: 014973311971 | Ean: 0738287717013, 0014973311971 | UPC: 738287717013, 014973311971
Material: Steel.
Head Style: Square.
Finish: Zinc.
Length: 1 Inch.
Brand: Hard-to-Find Fastener | Manufacturer: Hard-to-Find Fastener
Dimensions: 1.44 x 2.50 x 1.62 inches
See On Amazon #2
uxcell Square Head Bolt, 20pcs M6x16mm Fully Thread Carbon Steel Grade 4.8 Square Machine Screws
Asin: B0BKZ36GFJ | Model: a22060900ux0206 | PartNumber: a22060900ux0206
Features
- Product Name: Square Head Bolt; Material: Carbon Steel; Finish: Zinc Plated; Color: Silver Tone; Thread Size: M6 x 16mm / M6 x 0.63"(D*L); Pitch: 1mm
- Head Size: 10mm x 10mm x 2.3mm / 0.39 x 0.39 x 0.09(L*W*T); Package Content: 20 x Square Head Bolt
- Advantage: Square head bolt offers a large bearing area, is made of carbon steel, zinc plated finish to prevent rust, high strength, good wear resistance and good impact resistance, and durable.
- Application: Square head bolt can be used for toilet lid installation, and it is also widely used in the assembly and maintenance of machinery, railroad, electrical connections, construction, some assembly required furniture and DIY project. Such as the assembly and fixing of guardrails, home appliances, pipeline installations, equipment, steel-framed houses, etc.
- Installation: A wrench/plier is required for installation. Generally, with a nut and a washer to form a fastener device(Not in the package).
- See more on Amazon...
Advantage: Square Head Bolt Offers A Large Bearing Area, Is Made Of Carbon Steel, Zinc Plated Finish To Prevent Rust, High Strength, Good Wear Resistance And Good Impact Resistance, And Durable..
Installation: A Wrench/Plier Is Required For Installation. Generally, With A Nut And A Washer To Form A Fastener Device(Not In The Package)..
Application: Square Head Bolt Can Be Used For Toilet Lid Installation, And It Is Also Widely Used In The Assembly And Maintenance Of Machinery, Railroad, Electrical Connections, Construction, Some Assembly Required Furniture And Diy Project. Such As The Assembly And Fixing Of Guardrails, Home Appliances, Pipeline Installations, Equipment, Steel-Framed Houses, Etc..
Head Size: 10Mm X 10Mm X 2.3Mm / 0.39" X 0.39" X 0.09"(L*W*T); Package Content: 20 X Square Head Bolt.
Brand: uxcell | Manufacturer: uxcell
See On Amazon #3
Rustic Square Head Lag Screws, Black Oxide Finish Lag Bolts, 1/4 x 1 1/2-Inch, (Pack of 100)
Asin: B092SW7R7H | Model: 252477 | PartNumber: 252477 | Ean: 0850020465385 | UPC: 850020465385
Features
- Vintage Lag Bolts: These square head lag screws are a hard to find, unique antique style bolt to give all your projects an original look and feel
- Black Screws: Made from alloy steel and coated with a black oxide finish with a light oil coating to help prevent corrosion, these bolts won't peel or scratch
- Reliable Hardware Company: Made exclusively for interior use, Maker Co's black carbon steel screws are designed with superior craftsmanship and longevity in mind
- How To Install: Each black bolt requires a pre-drilled hole and can be easily installed with a wrench or 8 point socket
- Specifications: Includes 100 decorative screws with 1/4-inch x 1-1/2-inch dimensions to perfectly fit your projects
- See more on Amazon...
Reliable Hardware Company: Made Exclusively For Interior Use, Maker Co's Black Carbon Steel Screws Are Designed With Superior Craftsmanship And Longevity In Mind.
Specifications: Includes 100 Decorative Screws With 1/4-Inch X 1-1/2-Inch Dimensions To Perfectly Fit Your Projects.
How To Install: Each Black Bolt Requires A Pre-Drilled Hole And Can Be Easily Installed With A Wrench Or 8 Point Socket.
Black Screws: Made From Alloy Steel And Coated With A Black Oxide Finish With A Light Oil Coating To Help Prevent Corrosion, These Bolts Won't Peel Or Scratch.
Brand: MAKERS BOLT | Manufacturer: Makers Bolt
Weight: 1.81 Pounds
See On Amazon #4
(10) Square Head 3/4-10 x 4 Bolts Unplated A307 1-1/8 Square
Asin: B075HPH9X1
Head Type: Square.
Finish: Plain.
Drive Type: Square.
Length: 4.
Brand: Lexar Industrial | Manufacturer: Lexar Industrial
Weight: 6.00 Pounds
See On Amazon #5
The Hillman Group 50211 Square Bolts with Nut, 8-Pack
Asin: B00MEXRZL8 | Model: 50211 | PartNumber: 50211 | Ean: 0008236049015 | UPC: 008236049015
Features
- These top-post square terminal bolts feature a hex nut & measure approximately 1-1/4" long
- GREAT FOR AUTOMOBILES: Parts ideal for use on automotive battery fixtures
- PART OF A COMPLETE FASTENING SOLUTION: Includes a matching hex nut for complete installation
- STRONG, STURDY, RELIABLE: Made of high-quality steel
- CORROSION-RESISTANT: Material offers strong resistance to rust and corrosion
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Part Of A Complete Fastening Solution: Includes A Matching Hex Nut For Complete Installation.
Corrosion-Resistant: Material Offers Strong Resistance To Rust And Corrosion.
Strong, Sturdy, Reliable: Made Of High-Quality Steel.
Great For Automobiles: Parts Ideal For Use On Automotive Battery Fixtures.
Brand: The Hillman Group | Manufacturer: The Hillman Group
Dimensions: 1.43 x 1.87 x 5.18 inches
See On Amazon #6
Small Parts FSC141SHB Grade A Steel Square Head Bolt, 1/4"-20" Thread Size, 1" Long (Pack of 25)
Asin: B0767LJ2MP | Model: FSC141SHB | PartNumber: FSC141SHB
Features
- Material: steel
- Thread size: 1/4''-20
- Length: 1 inch
- Low-Strength Grade A Steel Square Head Bolt, 1/4-20 Thread Size, 1 Long (Pack of 25)
- See more on Amazon...
Length: 1 Inch.
Low-Strength Grade A Steel Square Head Bolt, 1/4"-20" Thread Size, 1" Long (Pack Of 25).
Thread Size: 1/4''-20.
Brand: Small Parts | Manufacturer: Fastcom Supply
Dimensions: 0.31 x 1.00 x 0.00 inches
See On Amazon #7
Lexar Industrial (15) Square Head 5/8-11 x 4inches Bolts Unplated A307 15/16inches Sq
Asin: B01LXVW5HF
Features
- Thread Diameter: 5/8-11
- Length: 4
- Specification: ASTM A333
- Head Type: Square
- Finish: Plain
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Specification: Astm A333.
Finish: Plain.
Head Type: Square.
Length: 4.
Brand: Lexar Industrial | Manufacturer: Lexar Industrial
See On Amazon #8
uxcell Square Head Bolt, 2pcs M6x20mm Fully Thread 304 Stainless Steel Grade C Square Machine Screws
Asin: B0BBPWHQBQ | Model: a22060600ux0326 | PartNumber: a22060600ux0326
Features
- Product Name: Square Head Bolt; Material: 304 Stainless Steel; Color: Silver Tone; Thread Size: M6 x 20mm / M6 x 0.79"(D*L); Pitch: 1mm
- Head Size: 10mm x 10mm x 4mm / 0.39 x 0.39 x 0.16(L*W*T); Package Content: 2 x Square Head Bolt
- Advantage: Square head bolt offers a large bearing area, is made of 304 stainless steel, anti-rust, wear-resistant, corrosion-resistant, and can be used indoors and outdoors.
- Application: It is widely used in the assembly and maintenance of machinery, railroad, electrical connections, construction, some assembly required furniture and DIY project. Such as the assembly and fixing of guardrails, home appliances, pipeline installations, equipment, steel-framed houses, etc.
- Installation: A wrench/plier is required for installation. Generally, with a nut and a washer to form a fastener device(Not in the package).
- See more on Amazon...
Advantage: Square Head Bolt Offers A Large Bearing Area, Is Made Of 304 Stainless Steel, Anti-Rust, Wear-Resistant, Corrosion-Resistant, And Can Be Used Indoors And Outdoors..
Installation: A Wrench/Plier Is Required For Installation. Generally, With A Nut And A Washer To Form A Fastener Device(Not In The Package)..
Application: It Is Widely Used In The Assembly And Maintenance Of Machinery, Railroad, Electrical Connections, Construction, Some Assembly Required Furniture And Diy Project. Such As The Assembly And Fixing Of Guardrails, Home Appliances, Pipeline Installations, Equipment, Steel-Framed Houses, Etc..
Head Size: 10Mm X 10Mm X 4Mm / 0.39" X 0.39" X 0.16"(L*W*T); Package Content: 2 X Square Head Bolt.
Brand: uxcell | Manufacturer: uxcell
See On Amazon #9
Small Parts FSC142SHB Grade A Steel Square Head Bolt, 1/4"-20" Thread Size, 2" Long (Pack of 25)
Asin: B0767LJ3HB | Model: FSC142SHB | PartNumber: FSC142SHB
Features
- Material: steel
- Thread size: 1/4''-20
- Length: 2 inch
- Low-Strength Grade A Steel Square Head Bolt, 1/4-20 Thread Size, 2 Long (Pack of 25)
- See more on Amazon...
Length: 2 Inch.
Low-Strength Grade A Steel Square Head Bolt, 1/4"-20" Thread Size, 2" Long (Pack Of 25).
Thread Size: 1/4''-20.
Brand: Small Parts | Manufacturer: Fastcom Supply
Dimensions: 0.31 x 2.00 x 0.00 inches
See On Amazon #10
uxcell Square Head Bolt, 20pcs M6x16mm Fully Thread Carbon Steel Grade 8.8 Square Machine Screws, Gray
Asin: B0BKZ21RL7 | Model: a22060900ux0220 | PartNumber: a22060900ux0220
Features
- Product Name: Square Head Bolt; Material: Carbon Steel; Color: Gray; Thread Size: M6 x 16mm / M6 x 0.63"(D*L); Pitch: 1mm
- Head Size: 14mm x 14mm x 2mm / 0.55 x 0.55 x 0.08(L*W*T); Package Content: 20 x Square Head Bolt
- Advantage: Square head bolt offers a large bearing area, is made of carbon steel, high strength, good wear resistance and good impact resistance, and durable.
- Application: It is widely used in the assembly and maintenance of machinery, railroad, electrical connections, construction, some assembly required furniture and DIY project. Such as the assembly and fixing of guardrails, home appliances, pipeline installations, equipment, steel-framed houses, etc.
- Installation: A wrench/plier is required for installation. Generally, with a nut and a washer to form a fastener device(Not in the package).
- See more on Amazon...
Advantage: Square Head Bolt Offers A Large Bearing Area, Is Made Of Carbon Steel, High Strength, Good Wear Resistance And Good Impact Resistance, And Durable..
Installation: A Wrench/Plier Is Required For Installation. Generally, With A Nut And A Washer To Form A Fastener Device(Not In The Package)..
Application: It Is Widely Used In The Assembly And Maintenance Of Machinery, Railroad, Electrical Connections, Construction, Some Assembly Required Furniture And Diy Project. Such As The Assembly And Fixing Of Guardrails, Home Appliances, Pipeline Installations, Equipment, Steel-Framed Houses, Etc..
Head Size: 14Mm X 14Mm X 2Mm / 0.55" X 0.55" X 0.08"(L*W*T); Package Content: 20 X Square Head Bolt.
Brand: uxcell | Manufacturer: uxcell
See On Amazon #11
Small Parts FSC50250SHB Grade A Steel Square Head Bolt, 1/2"-13" Thread Size, 2-1/2" Long (Pack of 5)
Asin: B0767JBTZ3 | Model: FSC50250SHB | PartNumber: FSC50250SHB
Features
- Material: steel
- Thread size: 1/2''-13
- Length: 2-1/2 inch
- Low-Strength Grade A Steel Square Head Bolt, 1/2-13 Thread Size, 2-1/2 Long (Pack of 5)
- See more on Amazon...
Length: 2-1/2 Inch.
Low-Strength Grade A Steel Square Head Bolt, 1/2"-13" Thread Size, 2-1/2" Long (Pack Of 5).
Thread Size: 1/2''-13.
Brand: Small Parts | Manufacturer: Fastcom Supply
Dimensions: 0.31 x 2.50 x 0.00 inches
See On Amazon #12
Hard-to-Find Fastener 014973312015 Square Head Bolts, 5/16-18 x 1-1/2, Piece-10
Asin: B00L1L2L5O | Model: 014973312015 | PartNumber: 014973312015 | Ean: 0014973312015, 0738287717044 | UPC: 738287717044, 014973312015
Features
- Diameter: 5/16"
- Length: 1-1/2 inch
- Material: Steel
- Finish: Zinc
- Head Style: Square (1/2 Wrench)
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Material: Steel.
Head Style: Square (1/2 Wrench).
Finish: Zinc.
Length: 1-1/2 Inch.
Brand: Hard-to-Find Fastener | Manufacturer: Hard-to-Find Fastener
Dimensions: 1.44 x 2.50 x 1.62 inches | Weight: 0.26 pounds
See On Amazon #13
(8) Square Head 3/4-10 x 5 Bolts Unplated A307 1-1/8 Square
Asin: B074DLC68H
Drive Type: Square.
Finish: Plain.
Head Type: Square.
Length: 5.
Brand: Lexar Industrial | Manufacturer: Lexar Industrial
Weight: 5.75 Pounds
See On Amazon #14
uxcell Square Head Bolt, 10pcs M5x20mm Fully Thread 304 Stainless Steel Grade C Square Machine Screws
Asin: B0BCF5FRNP | Model: a22060600ux0309 | PartNumber: a22060600ux0309
Features
- Product Name: Square Head Bolt; Material: 304 Stainless Steel; Color: Silver Tone; Thread Size: M5 x 20mm / M5 x 0.79"(D*L); Pitch: 0.8mm
- Head Size: 8mm x 8mm x 3mm / 0.28 x 0.28 x 0.14(L*W*T); Package Content: 10 x Square Head Bolt
- Advantage: Square head bolt offers a large bearing area, is made of 304 stainless steel, anti-rust, wear-resistant, corrosion-resistant, and can be used indoors and outdoors.
- Application: It is widely used in the assembly and maintenance of machinery, railroad, electrical connections, construction, some assembly required furniture and DIY project. Such as the assembly and fixing of guardrails, home appliances, pipeline installations, equipment, steel-framed houses, etc.
- Installation: A wrench/plier is required for installation. Generally, with a nut and a washer to form a fastener device(Not in the package).
- See more on Amazon...
Advantage: Square Head Bolt Offers A Large Bearing Area, Is Made Of 304 Stainless Steel, Anti-Rust, Wear-Resistant, Corrosion-Resistant, And Can Be Used Indoors And Outdoors..
Installation: A Wrench/Plier Is Required For Installation. Generally, With A Nut And A Washer To Form A Fastener Device(Not In The Package)..
Application: It Is Widely Used In The Assembly And Maintenance Of Machinery, Railroad, Electrical Connections, Construction, Some Assembly Required Furniture And Diy Project. Such As The Assembly And Fixing Of Guardrails, Home Appliances, Pipeline Installations, Equipment, Steel-Framed Houses, Etc..
Head Size: 8Mm X 8Mm X 3Mm / 0.28" X 0.28" X 0.14"(L*W*T); Package Content: 10 X Square Head Bolt.
Brand: uxcell | Manufacturer: uxcell
See On Amazon #15
Hard-to-Find Fastener 14973445775 Connector Bolt, 1/4"-20 x 1.97, Black, 10 Count
Asin: B00KM4P00E | Model: 14973445775 | PartNumber: 14973445775 | Ean: 0738287315646, 0014973445775 | UPC: 738287315646, 014973445775
Features
- Diameter: 1/4 inch
- Length: 1.97 inches
- Finish: Black
- Thread Type: 20 (coarse)
- Type: connector bolt
- See more on Amazon...
Finish: Black.
Type: Connector Bolt.
Thread Type: 20 (Coarse).
Length: 1.97 Inches.
Brand: Hard-to-Find Fastener | Manufacturer: Midwest Fastener Corp
Dimensions: 1.44 x 2.50 x 1.62 inches
See On Amazon #16
Hard-to-Find Fastener 014973312077 Square Head Bolts, 3/8-16 x 1, Piece-10
Asin: B00L1L2UPU | Model: 014973312077 | PartNumber: 014973312077 | Ean: 0738287717211, 0014973312077 | UPC: 738287717211, 014973312077
Features
- Diameter: 3/8"
- Length: 1 inch
- Material: Steel
- Finish: Zinc
- Head Style: Square (9/16 Wrench)
- See more on Amazon...
Material: Steel.
Head Style: Square (9/16 Wrench).
Finish: Zinc.
Length: 1 Inch.
Brand: Hard-to-Find Fastener | Manufacturer: Hard-to-Find Fastener
Dimensions: 1.44 x 2.50 x 2.19 Inches
See On Amazon #17
Small Parts FSC382SHB Grade A Steel Square Head Bolt, 3/8"-16" Thread Size, 2" Long (Pack of 10)
Asin: B0767KXPVB | Model: FSC382SHB | PartNumber: FSC382SHB
Features
- Material: steel
- Thread size: 3/8''-16
- Length: 2 inch
- Low-Strength Grade A Steel Square Head Bolt, 3/8-16 Thread Size, 2 Long (Pack of 10)
- See more on Amazon...
Length: 2 Inch.
Low-Strength Grade A Steel Square Head Bolt, 3/8"-16" Thread Size, 2" Long (Pack Of 10).
Thread Size: 3/8''-16.
Brand: Small Parts | Manufacturer: Fastcom Supply
Dimensions: 0.31 x 2.00 x 0.00 inches | Weight: 1.01 pounds
See On Amazon #18
3/8-16 x 9" Carriage Bolts, Round Head, Square Neck, Stainless Steel 18-8, Partial Thread, Plain Finish, Flat Point, Quantity 5 by Fastenere
Asin: B01FGBW71C | Ean: 0842176120942 | UPC: 842176120942
Features
- Thread Diameter 0.375"
- Head Diameter 0.844
- Head Height 0.208
- Square Neck Height 0.219 / Square Neck Width 0.39
- 18-8 Stainless Steel provides strength and offers good corrosion resistance in many environments.
- See more on Amazon...
Head Height 0.208".
18-8 Stainless Steel Provides Strength And Offers Good Corrosion Resistance In Many Environments..
Square Neck Height 0.219" / Square Neck Width 0.39".
Head Diameter 0.844".
Brand: Fastenere | Manufacturer: Fastenere
Dimensions: 12.00 x 5.00 x 1.00 Inches
See On Amazon #19
uxcell Square Head Bolt, 10pcs M6x15mm Fully Thread Carbon Steel Grade 8.8 Square Machine Screws
Asin: B0BKZ2H7V6 | Model: a22060900ux0215 | PartNumber: a22060900ux0215
Features
- Product Name: Square Head Bolt; Material: Carbon Steel; Finish: Zinc Plated; Thread Size: M6 x 15mm / M6 x 0.59"(D*L); Pitch: 1mm
- Head Size: 12mm x 12mm x 1.8mm / 0.47 x 0.47 x 0.07(L*W*T); Package Content: 10 x Square Head Bolt
- Advantage: Square head bolt offers a large bearing area, is made of carbon steel, zinc plated finish to prevent rust, high strength, good wear resistance and good impact resistance, and durable.
- Application: Square head bolt can be used for toilet lid installation, and it is also widely used in the assembly and maintenance of machinery, railroad, electrical connections, construction, some assembly required furniture and DIY project. Such as the assembly and fixing of guardrails, home appliances, pipeline installations, equipment, steel-framed houses, etc.
- Installation: A wrench/plier is required for installation. Generally, with a nut and a washer to form a fastener device(Not in the package).
- See more on Amazon...
Advantage: Square Head Bolt Offers A Large Bearing Area, Is Made Of Carbon Steel, Zinc Plated Finish To Prevent Rust, High Strength, Good Wear Resistance And Good Impact Resistance, And Durable..
Installation: A Wrench/Plier Is Required For Installation. Generally, With A Nut And A Washer To Form A Fastener Device(Not In The Package)..
Application: Square Head Bolt Can Be Used For Toilet Lid Installation, And It Is Also Widely Used In The Assembly And Maintenance Of Machinery, Railroad, Electrical Connections, Construction, Some Assembly Required Furniture And Diy Project. Such As The Assembly And Fixing Of Guardrails, Home Appliances, Pipeline Installations, Equipment, Steel-Framed Houses, Etc..
Head Size: 12Mm X 12Mm X 1.8Mm / 0.47" X 0.47" X 0.07"(L*W*T); Package Content: 10 X Square Head Bolt.
Brand: uxcell | Manufacturer: uxcell
See On Amazon #20
Hard-to-Find Fastener 014973312121 Square Head Bolts, 3/8-16 x 2-1/2, Piece-10
Asin: B00L1L30JU | Model: 014973312121 | PartNumber: 014973312121 | Ean: 0738287717266, 0014973312121 | UPC: 738287717266, 014973312121
Features
- Diameter: 3/8"
- Length: 2-1/2 inches
- Material: Steel
- Finish: Zinc
- Head Style: Square (9/16 Wrench)
- See more on Amazon...
Material: Steel.
Head Style: Square (9/16 Wrench).
Finish: Zinc.
Length: 2-1/2 Inches.
Brand: Hard-to-Find Fastener | Manufacturer: Hard-to-Find Fastener
Dimensions: 1.44 x 3.88 x 1.69 inches | Weight: 0.90 Pounds
See On Amazon
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