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Stainless Steel Fasteners are a type of mechanical connecting element used in multiple industries, sought after for their superior corrosion resistance, strength, and aesthetics, typically made of stainless steel, with common grades of stainless steel including 304, 316 and 316L.etc.
In the process of global industrialization, stainless steel fasteners have become the preferred joining material in construction, automotive, marine, chemical and other fields due to excellent performance. We are committed to providing you with high-quality, customized stainless steel fastener solutions to help your projects succeed.
Stainless steel fasteners (bolts, nuts, screws, washers, etc.) are essential components that join and secure metal parts in machinery and structures, ensuring mechanical integrity and safety,widely used in construction, automotive, marine, chemical, energy and other fields due to their high strength, corrosion resistance, high temperature resistance and other characteristics, and are suitable for a variety of harsh environments.
Stainless steel fasteners are connectors made of high-quality stainless steel (e.g. 304, 316), including bolts, nuts, screws, washers, etc., with high-strength, corrosion-resistant, high-temperature-resistant, and are suitable for a variety of harsh environments.
We supply all major categories of stainless fasteners,including bolts (hex bolts, U-bolts, eye bolts, carriage bolts, stud bolts), screws (machine screws, self-tapping screws, wood screws, decking screws, etc.), nuts (hex nuts, nylon-lock nuts, wing nuts, coupling nuts), and washers (flat, spring, lock, sealing).
Stainless steel inherent corrosion resistance makes it ideal for harsh or outdoor environments. Different from carbon steel fasteners that require coatings, stainless fasteners avoid rust and plating failures, reducing long-term maintenance.
Standard: DIN, ASTM, BS, ANSI, JIS, ISO, etc
Grade: 304, 304L, 316, 316L, 309S, 310S, 317L, 321, 347, 409, 410, 420, 430, 446, 904L, 2205, etc
Type: Bolts, Nuts, Screws, Sockets, Washers, Stainless Steel Threaded Rod, etc
Size: M02 – M33
Bolt / Screw Size: M3 – M56 | 3/6″ to 2″, or Custom Sizes
Nuts Size: M3 – M56 | 3/6″ to 2″, or Custom Sizes
Washers Size: M3 – M56 | 3/6″ to 2″, or Custom Sizes
Process: CNC Turning, CNC Milling,Cold Forging,Metal Stamping,Die Casting,Laser Cutting,Bending,Welding,Spinning, Wire Cutting, etc
We also offer related stainless steel materials – seamless and welded pipes, sheets and plates, and coils. Our accessories include flanges, elbows, fittings and other pipe hardware.The full-spectrum offering makes us a one-stop shop for stainless steel materials.
Infrastructure & Construction
Stainless steel fasteners are widely used in buildings, bridges, and other infrastructure projects. The high strength and corrosion resistance make it essential for structures exposed to the elements.
Heavy Industries
In marine, offshore, chemical, and oil & gas sectors, stainless fasteners prevent rust in saltwater and corrosive environments.Fasteners also secure equipment on ships, oil platforms, and refineries where reliability is critical.
Manufacturing & Machinery
Screws, bolts and washers are used in automobiles, aerospace components, and machinery assembly. Sheets and coils are used for HVAC ducts, enclosures, and equipment panels. The durability and finish quality suit aesthetic and functional requirements.
Specialized Uses
In applications requiring long-term reliability, cleanliness or high strength (such as food processing, pharmaceutical equipment, medical devices and coastal facilities), stainless steel fasteners are chosen to ensure consistent performance.
Stainless steel fasteners (e.g., bolts, nuts, screws) are critical components valued for their strength, corrosion resistance, and durability. They are widely used across industries such as construction, automotive, marine, chemical, and energy. Global demand is robust and growing, driven by industrialization, infrastructure development, and the need for reliable materials in harsh environments.
Our goal is to make your facility stand out in a competitive marketplace and become the preferred supplier that buyers trust.
1.Quality Assurance
We source stainless steel from China’s top mills (TISCO, Baosteel), ensuring uniform chemistry and advanced metallurgy.Our offerings (304, 316 grades) meet global standards such as ASTM F593 and ISO 3506,with minimal impurities.
Every order can be backed by material test certificates (EN10204 3.1) and full batch inspections. Rigorous audits and testing guarantee that each shipment meets the highest standards,also support third-party test.
2.Advanced Manufacturing Process Technology
Adopting cold heading and heat treatment technology to ensure the strength and durability of fasteners.
3.Strict Quality Control
From raw materials to finished products, we implement ISO 9001 quality management system throughout the whole process and provide inspection reports to ensure zero defect delivery.
Inspection ensures the materials meet destructive and non-destructive tests according to industry and customer specifications.
4.Supply Security
Direct partnerships with top mills and multiple warehouses ensure reliable availability. We build strong supplier relationships to secure production priority and customized solutions.
In addition,it is less affected by market price fluctuations with sufficient inventory, has competitive prices and high cost performance.
5.One-stop Sourcing
We maintain a broad inventory of fasteners, pipes, sheets, and accessories across multiple warehouses, covering diverse project needs and reducing procurement complexity and lead times.
6.Supply Chain Capability
Years of international export experience mean we handle logistics, customs, and export compliance seamlessly. We arrange competitive shipping schedules and offer flexible trade terms for on-time delivery worldwide.
7.Customized Service
Support customized size, specification and surface treatment on demand to meet the needs of special projects.
8.Technical Support & Service
Our engineers provide expert fastener selection advice and customization support. Our professional team ensures quick response to inquiries and quotes, facilitating smooth procurement and project execution.
1.What are stainless steel fasteners?
Stainless steel fasteners are connecting components made from high-grade stainless steel, such as bolts, nuts, and screws, offering excellent corrosion resistance and strength for various industrial and construction applications.
2.What are the main types of stainless steel fasteners?
The main types include bolts (hex, carriage), nuts (hex, lock), screws (self-tapping, machine), washers (flat, spring), and rivets or pins, also support customizable to project needs.
3.Which stainless steel grades are available?
We supply a wide range of stainless steel grades to meet various technical requirements.
Common grades include 304 (18% Cr-8% Ni) and 316 (16% Cr-10% Ni-2% Mo) austenitic stainless steels, as well as specialized grades like 321, 347, 410, 420, 430. The 300-series austenitic grades (such as 304 and 316) have the highest corrosion resistance.
4.Which international standards fasteners comply with?
Fasteners are produced according to international standards:
Stainless steel bolts and screws typically meet ASTM F593/F594 or ISO 3506 specifications,
and high-strength studs/nuts can be made to ASTM A193/A194 or equivalent DIN/EN standards.
Material test certificates (EN 10204) can be provided to verify that each product meets the specified grade and standard.
5.What is the corrosion resistance of stainless steel fastener, and which grades are best for harsh environments?
Stainless steel fasteners resist rust by forming a thin, self-healing chromium oxide layer.Among common grades:
316/316L stainless steel (which contains additional molybdenum) offers superior resistance to chlorides and saltwater.It is recommended for marine, offshore, and chemical applications.
304 stainless steel provides good corrosion resistance in less aggressive environments.
For extremely corrosive conditions, we also offer higher-alloy grades such as duplex (e.g. 2205) and super-austenitic (e.g. 254SMO, 904L).
We can also apply surface treatments (passivation, acid pickling, or anti-galling coatings) to further enhance corrosion protection.
6.Why choose stainless steel fasteners over other materials?
Stainless steel fasteners offer superior corrosion resistance, strength, and durability, ideal for harsh environments.
They are easy to maintain, 100% recyclable, and aesthetically pleasing, providing more long-term value than carbon steel or other materials.
7.I’m not sure what screws I should be using or I need a little engineering help. Do you guys offer assistance?
Yes, we have professional engineer to help you, and can make the drawings for you if necessary. So, just please let us know your detailed requirements.
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Wir heißen Sie herzlich willkommen, unser Unternehmen jederzeit zu besuchen. Ich glaube, dass unsere Produktqualität, unser professioneller Service und unser konkurrenzfähiger Preis Sie zufrieden stellen werden. Wir freuen uns auf die Zusammenarbeit mit Ihnen.
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