JM Hardware® SS 304 U Bolt
JM Hardware® Stainless Steel 304/ UNS No. S30400/ WNR 1.4301 Fastener
SS304, also known as Stainless Steel 304, is one of the most widely used stainless steel alloys for fastener production. It is an austenitic chromium-nickel stainless steel with excellent corrosion resistance and durability. SS304 fasteners are popular across various industries due to their ability to withstand harsh environments, including exposure to moisture, chemicals, and extreme temperatures.
5.0
design customization
Please fill out the form below to request a quote or to request more information about us. Please be sure to upload customized requirement documents or pictures, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
Please fill out the form below to request a quote or to request more information about us. please be as detailed as possible in your message, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
Product Introduction
Key Properties of SS304:
Corrosion Resistance:
SS304 contains a minimum of 18% chromium and 8% nickel, which gives it strong resistance to corrosion. It forms a protective layer of chromium oxide on its surface that prevents rusting and protects the material from corrosive elements. This makes SS304 ideal for use in environments where the fasteners will be exposed to moisture, acidic substances, or other corrosive chemicals.
High Strength and Durability:
SS304 fasteners offer good mechanical properties, such as high tensile strength, excellent toughness, and the ability to withstand significant wear and tear. This makes them suitable for both heavy-duty industrial applications and general construction.
Heat Resistance:
SS304 fasteners can resist oxidation in temperatures up to about 870°C (1600°F) and can maintain strength at both low and high temperatures, making them a good choice for environments that experience frequent temperature fluctuations.
Non-Magnetic Properties:
SS304 is non-magnetic in the annealed condition, which makes it valuable for applications where magnetic interference is a concern. However, it may become slightly magnetic after cold working.
Hygiene and Easy Maintenance:
Due to its smooth surface and resistance to oxidation, SS304 fasteners are easy to clean, which makes them suitable for hygienic environments such as food processing, pharmaceuticals, and medical equipment manufacturing.
Applications of SS304 Fasteners
Given the excellent corrosion resistance and overall durability, SS304 fasteners are widely used in:
Marine Industry: Due to their ability to resist saltwater corrosion.
Construction: Suitable for both indoor and outdoor environments, such as railings, bridges, and high-rise buildings.
Chemical Processing Plants: Where exposure to chemicals requires materials with high resistance to corrosion.
Food and Beverage Industry: As they are easy to clean and do not react with most food products.
Automotive and Aerospace: For components that require non-magnetic properties and corrosion resistance.
Medical Devices: Ensures cleanliness and prevents contamination in sterile environments.
Product Display
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:
1
1
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.
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.
1
1
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.
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.
1
1
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.
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.
1
1
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.
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.
1
1
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.
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.
1
1
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.
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
Testing Equipment
Test report
JM Hardware® provides each batch of products with a finished product test report issued by our laboratory. If you need a test report issued by a third party, please inform us separately. The following two templates are for reference
SGS testing report
JM Hardware® testing report
Packing
Why Choose Us
Registered trademarks
RegisterJM in USA，EU ，UK，Quality Assuranc
Strong R&D Capability
Successfully developed 680+ new products in past 16 years
Rich Industry Experience
JM has the rich experience to supply the high quality fasteners to Project contractor
Mature & professional service teams
Provides 24/7 online and offline services for you,70%stuff have 5+ working experience in JM
Rich export experience
15+ years exported to 70+ countries
Supply one-stop service & DDP term
Help clients purchase other products,realize door-to-door service to make international procurement more convenient
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.
{{item.score}} Stars
{{item.pre}}%
{{item.nickname ? (item.nickname.slice(0, 2) + '*****') : item.source === 1 ? 'mall buyer' : '--'}}
{{item.comment_time}}
Review in the {{item.country}}
{{itemAttr.params_key}}: {{itemAttr.params_value}}
Get in touch with us
just leave your email or phone number in the contact form so we can send you a free quote for our wide range of designs
Related Products
xarella.huang@jm-fastener.comOur address
Add: Rm.27202, No.295 South Lingyan Road, Pudong,Shanghai,P.R.C
Contact person: xarella.huang
Whatsapp: +86 13681923533
Wechat:+86 18621005605
Shortcut links
Products
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.