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20 years professional hardware manufacturer - JM Hardware

**Heavy Hex Structural Bolts - Durable Carbon & Alloy Steel, Multiple Sizes** 1
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**Heavy Hex Structural Bolts - Durable Carbon & Alloy Steel, Multiple Sizes** 1
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**Heavy Hex Structural Bolts - Durable Carbon & Alloy Steel, Multiple Sizes**

**Heavy Hex Structural Bolts** are robust fasteners made from durable carbon and alloy steel, designed for high-strength applications in construction and heavy machinery. These bolts come in multiple sizes, ensuring versatility for various projects and giving users flexibility in their fastening needs. With exceptional resistance to shear and tensile stresses, they guarantee reliability and safety, making them an essential choice for any structural application.
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Product features

The Heavy Hex Structural Bolts, designed by JM Hardware®, exemplify strength and reliability, being crafted from high-quality carbon and alloy steel to support a wide range of heavy-duty applications. These step bolts are available in multiple sizes, conforming to ASTM standards, and feature various finishes that enhance their durability and resistance to environmental factors. Their robust design and meticulous quality control process ensure that these bolts maintain exceptional performance under rigorous conditions, making them an ideal choice for construction and infrastructure projects.

We serve

### We Serve

At the heart of our heavy hex structural bolts lies a commitment to strength and reliability, serving industries that demand the utmost durability. Crafted from high-quality carbon and alloy steel, our bolts ensure exceptional performance in critical applications. We cater to construction, manufacturing, and infrastructure projects, providing solutions that withstand the toughest conditions. Available in multiple sizes, we accommodate diverse specifications, allowing seamless integration into any project. Our focus on quality, combined with unparalleled customer support, ensures that you receive not just a product, but a trusted partner in achieving your operational goals. Experience the reliability we serve with every bolt.

Why choose us

**We Serve: Heavy Hex Structural Bolts**

At the heart of our offerings are Heavy Hex Structural Bolts, meticulously crafted from durable carbon and alloy steel to meet the highest standards of quality and reliability. We serve industries that demand robust fastening solutions, delivering multiple sizes to accommodate various structural applications. Our bolts excel in strength, corrosion resistance, and performance, ensuring your projects are built on a solid foundation. With a commitment to excellence, we prioritize customer satisfaction by providing tailored solutions that enhance safety and efficiency. Trust us to serve your fastening needs with products that uphold integrity and dependability on every job.

Product Introduction


JM Hardware® excels in delivering top-tier fastening solutions, and our Heavy Hex Structural Bolts stand as a testament to our commitment to quality. Crafted with precision from premium materials, these bolts showcase superior strength, resilience, and durability. Engineered for heavy-duty applications, JM Hardware® Heavy Hex Structural Bolts ensure steadfast connections, offering unmatched reliability in diverse industries, from construction to infrastructure projects. Trust in the robust design and exceptional performance of our Heavy Hex Structural Bolts to fortify your projects with the reliability that defines JM Hardware®


Product Parameters

 

Heavy Hex Structural bolt

Size:

1/2”-1 1/2”,M12-M36

Material:

CarbonSteel,AlloySteel

Grade:

ASTMA325,A490,CL10.9

Finish:

Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G. 


Product Details


Quality Control


JM Hardware conducts product quality control in strict accordance with ISO 9001 standards to ensure that our products meet high quality standards. Below are our five quality control steps:

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Incoming material control
We carry out strict incoming material control by conducting dimensional tests on each batch of raw materials and checking the raw material reports from the steel mills. This ensures that the raw materials we use are within specification and provide a reliable basis for production.
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First part control
After the mold assembly is completed, we conduct a thorough inspection of the first production part and make detailed records. Only qualified first parts can be released to start mass production. This step ensures that the quality of the product meets the standard at the beginning.
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Self-inspection by workers during mass production
In the mass production process, we require the workers of each machine to carry out self-inspection every hour. If any substandard product is found, we will immediately pick or scrap the production within this hour until the problem is solved and meets the standard of conformity, and then we can continue the production. This self-inspection mechanism helps to find and solve problems in time during the production process.
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QC inspection during mass production
In addition, every two hours, the quality inspection personnel will carry out random inspection on the products of each machine. Only qualified products can continue to flow into the next production stage. If non-conforming products are found, we will take the same selection or scrapping measures and ensure that the problem is properly handled. This helps provide additional quality assurance.
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Finished product control
Finally, after each batch of finished product is made, we conduct random inspections in proportion to the order. Qualified products will be packaged and put into storage, while unqualified products will be returned for further analysis and rectification. We insist on ensuring that the quality of our products meets high standards so that we can provide reliable products to our customers.
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Non-conforming goods management
According to the process of JMhardware's non-conforming products handling, pick or scrap. And the problem of rectification and tracking reasons to ensure that non-conforming products will not flow into the market.

These quality control measures constitute JM Hardware's quality management system, and we are constantly striving to improve the quality of our products and are committed to meeting the needs of our customers. We believe that quality control is the key to our success.


Production equipment
       
                       
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Various punche
                       
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   Multi-station autonmatic cold header
                       
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Automatic shamfering machine
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   Cutting machine
                       
**Heavy Hex Structural Bolts - Durable Carbon & Alloy Steel, Multiple Sizes** 12Thread rolling machine

   


                       
**Heavy Hex Structural Bolts - Durable Carbon & Alloy Steel, Multiple Sizes** 13rolling machine2 
   
                       
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Large heat treatment  line    
                       
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CNC machine tool    
Testing Equipment
       
                       
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   Rockwell hardness tester, V hardness tester  
                       
                       
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   Inverted microscope 
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   1000NM Automatic axial force machine 
                       
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Mirco hardness tester   
                       
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   Impact specimen notch projector 
                       
**Heavy Hex Structural Bolts - Durable Carbon & Alloy Steel, Multiple Sizes** 22   Magnetic particle flaw detector
                       
**Heavy Hex Structural Bolts - Durable Carbon & Alloy Steel, Multiple Sizes** 23Grinding machine, cutting machine
   
Test report
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SGS  testing report --310S bolt nut
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Third-party testing report-P1
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Third-party testing report-P2
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JM Hardware® testing report

Packing
   
           
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JM small box & JM carton


           
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Small bag with lable & Nature carton

      
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Small box & Nature carton

   
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90 kgs Metal keg & Wood solid pallet

   
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Bulk in wood box& Plastic keg +wood solid pallet

   
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Fumigation wood pallets & Non fumigation pallets


   
  
   
           
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Paper sleeve & Plastic bag + Non fumigation pallets


   
           
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Wooden case& Woven bag + Non fumigation pallets

      
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Container Packing

   




Why Choose Us
**Heavy Hex Structural Bolts - Durable Carbon & Alloy Steel, Multiple Sizes** 37

Registered trademarks

RegisterJM in USA,EU ,UK,Quality Assuranc


**Heavy Hex Structural Bolts - Durable Carbon & Alloy Steel, Multiple Sizes** 38

Strong R&D Capability

Successfully developed 680+ new products in past 16 years

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Rich Industry Experience

JM has the rich experience to supply the high quality fasteners to Project contractor

**Heavy Hex Structural Bolts - Durable Carbon & Alloy Steel, Multiple Sizes** 40

Mature & professional service teams

Provides 24/7 online and offline services for you,70%stuff have 5+ working experience in JM

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Rich export experience

15+ years exported to 70+ countries

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Supply one-stop service & DDP term

Help clients purchase other products,realize door-to-door service to make international procurement more convenient


Certificate
       
                       
**Heavy Hex Structural Bolts - Durable Carbon & Alloy Steel, Multiple Sizes** 43ISO certificate
   
                       
**Heavy Hex Structural Bolts - Durable Carbon & Alloy Steel, Multiple Sizes** 44 USA Trade Mark     
                       
**Heavy Hex Structural Bolts - Durable Carbon & Alloy Steel, Multiple Sizes** 45EU Trade Mark
     
**Heavy Hex Structural Bolts - Durable Carbon & Alloy Steel, Multiple Sizes** 46UK Trade Mark
   
                       
**Heavy Hex Structural Bolts - Durable Carbon & Alloy Steel, Multiple Sizes** 47SGS Certificate
   
                       
**Heavy Hex Structural Bolts - Durable Carbon & Alloy Steel, Multiple Sizes** 48Alibaba 15 Years Supplier
   
                       
**Heavy Hex Structural Bolts - Durable Carbon & Alloy Steel, Multiple Sizes** 49Certificate
   
                       
**Heavy Hex Structural Bolts - Durable Carbon & Alloy Steel, Multiple Sizes** 50
   Certificate
Valued Partners


JM Hardware @ has exported its hardware parts to over 85 countries around the world.

We will make unremitting efforts to provide hardware parts with high quality and reasonable prices for our customers.

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Contact us
we welcome custom designs and ideas and is able to cater to the specific requirements. for more information, please visit the website or contact us directly with questions or inquiries.
Our address
Add: Rm.27202, No.295 South Lingyan Road, Pudong,Shanghai,P.R.C

Contact person: xarella.huang
Whatsapp: +86 13681923533
Wechat:+86 18621005605
Contact with us

Since our establishment in 2006, JM has been adhering to the mission of creating maximum value for customers by providing differentiated services, and making a positive contribution to the society.

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