Are you tired of sifting through countless options for square head bolts? Understanding the top manufacturers can save you time and money. By knowing the best factories, you ensure quality and reliability in your projects. Dive in to discover the leading names in the industry and make informed choices!
Custom Square Head Bolt Manufacturer
Product Details: Custom Square Head Bolts manufactured by Master Bolt, available in various sizes and grades.
Technical Parameters:
– Diameters from 0.5 inches to 2 inches
– Available in grades 2, 5, 8, and stainless steel series 304 and 316
Application Scenarios:
– Railroad applications
– Construction and infrastructure projects
Pros:
– Customizable sizes and specifications
– Wide range of applications across multiple industries
Cons:
– Limited information on specific material properties
– Potentially higher cost for custom orders
Cardinal Fastener
Product Details: Cardinal Fastener Inc. manufactures large diameter, hot forged bolts with a variety of head styles and diameters up to 4-1/2″ or M72.
Technical Parameters:
– ISO 9001:2015 certified
– Certifications: ISO 17025 API20E BSL 1, 2, 3
Application Scenarios:
– Construction
– Manufacturing
Pros:
– Shortest lead times (as fast as same-day)
– Unsurpassed quality at low manufacturing costs
Cons:
– Limited to specific materials
– Potentially higher costs for custom designs
53 Square Head Bolt Manufacturers in 2025 – Metoree
Product Details: Square head bolts are fasteners with a square-shaped head, designed for high torque applications. They are used primarily in construction reinforcement hardware.
Technical Parameters:
– Standards: ASME B 18.2.1
– Materials: Steel, Stainless Steel (e.g., SUS304)
Application Scenarios:
– Used for construction reinforcement hardware to prevent warping and distortion.
– Fastening applications requiring high torque and minimal slippage.
Pros:
– Square shape prevents wear and rounding off of the bolt head.
– Larger contact area reduces slippage between the tool and the bolt head.
Cons:
– Limited to specific applications where square head design is required.
– May not be compatible with standard hexagonal tools.
Square Head Bolts – Portland Bolt
Product Details: Square head machine bolts are used for aesthetic purposes and to match existing fasteners in older structures. They were the industry standard prior to hex bolts gaining prominence.
Technical Parameters:
– Manufactured from 1/2″ diameter through 2″ diameter
– Available in most ASTM, AASHTO, and SAE specifications
Application Scenarios:
– Used for aesthetic purposes in new structures
– Commonly supplied for the utility industry
Pros:
– Provides a rustic look
– Can be custom manufactured for specific needs
Cons:
– Not readily available through fastener distributors
– Typically requires custom manufacturing
Square Head Bolts – AFT Fasteners
Product Details: Square head bolts feature a distinctive square, external wrenching head that provides a generous bearing area for a secure grip during fastening. Available in fully threaded and partially threaded options, with sizes ranging from 1/4” to 1-1/2” and lengths from 1” to 17”.
Technical Parameters:
– Available finishes: plain, zinc, hot dipped galvanized
– Corrosion resistance suitable for harsh environments
Application Scenarios:
– Contemporary construction and design for aesthetic appeal
– Matching existing fasteners in older structures
Pros:
– Imparts a rustic charm to projects
– Resurgence in popularity for specific applications
Cons:
– Less common than hex head bolts
– May not be suitable for all fastening needs
Square Head Bolts – McMaster-Carr
Product Details: Square Head Bolts from McMaster-Carr
Technical Parameters:
– Material: Steel
– Finish: Zinc Plated
Application Scenarios:
– Used in construction
– Suitable for machinery assembly
Pros:
– Durable and strong
– Wide range of sizes available
Cons:
– May require specific tools for installation
– Not suitable for all environments
Square Head Bolts Manufacturer and Supplier – Definite Metal
Product Details: Square Head Bolts available in various materials including Mild Steel, Stainless Steel, Copper, and different grades of Brass.
Technical Parameters:
– Available Threads: B.S.W., B.S.F., N.C., U.N.C., Metric, ISO Metric, BA Threads,…
– Length/Size: Begins from M2 or equivalent threads and up to any size as per Cust…
Application Scenarios:
– Used in construction and manufacturing for securing components.
– Applicable in various industries requiring durable fastening solutions.
Pros:
– Wide range of materials and finishes available.
– Custom sizes and specifications can be developed.
Cons:
– Potential for corrosion if not properly coated.
– Availability may vary based on specific material requirements.
Custom Manufactured Bolts – Master Bolt
Product Details: Custom manufactured bolts for various applications including construction, military, and mining.
Technical Parameters:
– Diameters range from 1/2″ to 2″
– Lengths range from 3″ to 40″
Application Scenarios:
– Fastening wood, steel, and other construction materials
– Used in projects such as docks, bridges, and military equipment
Pros:
– Ability to produce custom lengths and configurations
– High-quality manufacturing process
Cons:
– Limited availability of standard products compared to competitors
– Potentially longer lead times for custom orders
Best Custom Square Head Bolts Manufacturer and supplier – Heatfastener
Product Details: Custom Square Head Bolts manufactured from stainless steel, carbon steel, titanium, or aluminum. Available in non-standard sizes, materials, and finishes.
Technical Parameters:
– Screw Thread(d): M16, M20, M24, M30
– P Pitch: 2, 2.5, 3, 3.5
Application Scenarios:
– Used for aesthetic purposes in new structures or to match existing fasteners in…
– Commonly supplied for the utility industry.
Pros:
– Easy to tighten with a wrench due to large, flat sides.
– Suitable for tight or dark spaces.
Cons:
– Limited to specific aesthetic applications.
– May not be suitable for all fastening needs.
Square Head Bolts – Grainger Industrial Supply
Product Details: Square head bolts are fasteners with a square-shaped head that provides a larger surface area for better grip and torque application.
Technical Parameters:
– Material: Steel
– Finish: Zinc plated
Application Scenarios:
– Used in construction and heavy machinery
– Ideal for applications requiring high strength
Pros:
– Provides a secure grip
– Easier to tighten with a wrench
Cons:
– May require specific tools for installation
– Not suitable for all types of fastening applications
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Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| Custom Square Head Bolt Manufacturer | Custom Square Head Bolts manufactured by Master Bolt, available in various sizes and grades. | – Customizable sizes and specifications – Wide range of applications across multiple industries | – Limited information on specific material properties – Potentially higher cost for custom orders | masterbolt.com |
| Cardinal Fastener | Cardinal Fastener Inc. manufactures large diameter, hot forged bolts with a variety of head styles and diameters up to 4-1/2″ or M72. | – Shortest lead times (as fast as same-day) – Unsurpassed quality at low manufacturing costs | – Limited to specific materials – Potentially higher costs for custom designs | cardinalfastener.com |
| 53 Square Head Bolt Manufacturers in 2025 – Metoree | Square head bolts are fasteners with a square-shaped head, designed for high torque applications. They are used primarily in construction reinforcemen… | – Square shape prevents wear and rounding off of the bolt head. – Larger contact area reduces slippage between the tool and the bolt head. | – Limited to specific applications where square head design is required. – May not be compatible with standard hexagonal tools. | us.metoree.com |
| Square Head Bolts – Portland Bolt | Square head machine bolts are used for aesthetic purposes and to match existing fasteners in older structures. They were the industry standard prior t… | – Provides a rustic look – Can be custom manufactured for specific needs | – Not readily available through fastener distributors – Typically requires custom manufacturing | www.portlandbolt.com |
| Square Head Bolts – AFT Fasteners | Square head bolts feature a distinctive square, external wrenching head that provides a generous bearing area for a secure grip during fastening. Avai… | – Imparts a rustic charm to projects – Resurgence in popularity for specific applications | – Less common than hex head bolts – May not be suitable for all fastening needs | www.aftfasteners.com |
| Square Head Bolts – McMaster-Carr | Square Head Bolts from McMaster-Carr | – Durable and strong – Wide range of sizes available | – May require specific tools for installation – Not suitable for all environments | www.mcmaster.com |
| Square Head Bolts Manufacturer and Supplier – Definite Metal | Square Head Bolts available in various materials including Mild Steel, Stainless Steel, Copper, and different grades of Brass. | – Wide range of materials and finishes available. – Custom sizes and specifications can be developed. | – Potential for corrosion if not properly coated. – Availability may vary based on specific material requirements. | definitemetal.com |
| Custom Manufactured Bolts – Master Bolt | Custom manufactured bolts for various applications including construction, military, and mining. | – Ability to produce custom lengths and configurations – High-quality manufacturing process | – Limited availability of standard products compared to competitors – Potentially longer lead times for custom orders | masterbolt.com |
| Best Custom Square Head Bolts Manufacturer and supplier – Heatfastener | Custom Square Head Bolts manufactured from stainless steel, carbon steel, titanium, or aluminum. Available in non-standard sizes, materials, and finis… | – Easy to tighten with a wrench due to large, flat sides. – Suitable for tight or dark spaces. | – Limited to specific aesthetic applications. – May not be suitable for all fastening needs. | www.heatfastener.com |
| Square Head Bolts – Grainger Industrial Supply | Square head bolts are fasteners with a square-shaped head that provides a larger surface area for better grip and torque application. | – Provides a secure grip – Easier to tighten with a wrench | – May require specific tools for installation – Not suitable for all types of fastening applications | www.grainger.com |
Frequently Asked Questions (FAQs)
What are square head bolts used for?
Square head bolts are commonly used in construction and machinery applications where a strong grip is needed. Their design allows for easy installation and removal, making them ideal for securing heavy materials.
How are square head bolts manufactured?
Square head bolts are typically manufactured through processes like forging or machining. The raw materials, usually steel or stainless steel, are shaped into the desired form, followed by heat treatment for strength and durability.
What sizes do square head bolts come in?
Square head bolts are available in various sizes, ranging from small to large diameters and lengths. You can find them in standard sizes or request custom dimensions from manufacturers to meet specific project needs.
Are square head bolts resistant to corrosion?
Many square head bolts are treated with coatings or made from stainless steel to enhance their corrosion resistance. This makes them suitable for outdoor and marine applications where exposure to moisture is a concern.
How can I choose the right square head bolt for my project?
To choose the right square head bolt, consider factors like load requirements, environmental conditions, and compatibility with other materials. Consulting with a manufacturer can also help you select the best option for your specific application.