WHO WE ARE
245 +
Service Case
30 +
Exporting Country
350 +
Covering Industry
1000 +
Product Type
RANKOO FASTENER CO., LTD. is a China-based manufacturer and supplier specializing in stainless steel fasteners and customized fastening solutions.
We supply a wide range of A2 (304) and A4 (316) stainless steel fasteners, including bolts, screws, nuts, washers, anchors, rivet nuts, threaded rods and other standard and non-standard fasteners.
Our products are widely used in construction, curtain wall and façade systems, solar energy, stone cladding, machinery, industrial equipment, electronics and other applications where reliable fastening and corrosion resistance are important.
Beyond standard fasteners, RANKOO focuses on customized and hard-to-source fastening components. We work with customers according to their drawings, specifications, samples and application requirements to provide suitable materials, dimensions, finishes and packaging.
WHAT WE DO
Our Product Range
Explore our wide range of fastener designed for durability, style, and pformance
Bolts
Mainly used in fields such as mechanical manufacturing and construction engineering.
Nuts
By engaging the internal thread with the external thread of the bolt, two or more components are firmly connected to ensure the integrity and stability of the equipment.
Washers
Gaskets are key components in mechanical connections, mainly used to disperse pressure, prevent loosening, and seal
Screws
The application range of screws is very wide, covering a wide range of scenarios from daily necessities to high-end industrial equipment
Other
There are numerous varieties and specifications with different performance and uses, and the degree of standardization, serialization, and generalization is also extremely high
Bolts
Mainly used in fields such as mechanical manufacturing and construction engineering.
Nuts
By engaging the internal thread with the external thread of the bolt, two or more components are firmly connected to ensure the integrity and stability of the equipment.
Washers
Gaskets are key components in mechanical connections, mainly used to disperse pressure, prevent loosening, and seal
Screws
The application range of screws is very wide, covering a wide range of scenarios from daily necessities to high-end industrial equipment
Other
There are numerous varieties and specifications with different performance and uses, and the degree of standardization, serialization, and generalization is also extremely high
Products
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DIN 933 Hex Bolt Stainless Steel 304 316 A2-70 A4-80 M1.6-M48
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DIN912 Hex Socket Head Cap Screw Stainless Steel 304 316 M1.4-M30
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DIN934 Hex Nut Stainless Steel 304 316 A2 A4
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DIN125 Flat Washer Stainless Steel 304 316 Flat Washer M1.6-M64
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U bolt A2 A4 Customized Stainless Steel 304 316 M5-M12
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DIN6921 GB5787 Hex Flange Bolt Stainless Steel 304 316 A2 A4 M4-M12
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DIN931 Hex Bolt Stainless Steel 304 316 A2-70 A4-80 M5-M39
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DIN985 Hex Nylon Lock NutsStainless Steel 304 316 A2 A4 M2-M36
Why Choose RANKOO
Please contact us to provide you with satisfactory products and become a reliable supplier and service provider in the industry
Premium Quality Manufacturing
_____
Strict quality control ensures every product meets international standards.
Advanced Production Equipment
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Equipped with CNC machines and automated production lines.
Strong R&D Capability
_____
Professional engineers support product innovation and customization.
Global Export Experience
_____
Trusted by clients across Southeast Asia and worldwide markets.
Why Choose RANKOO
Please contact us to provide you with satisfactory products and become a reliable supplier and service provider in the industry
Premium Quality Manufacturing
_____
Strict quality control ensures every product meets international standards.
Advanced Production Equipment
_____
Equipped with CNC machines and automated production lines.
Strong R&D Capability
_____
Professional engineers support product innovation and customization.
Global Export Experience
_____
Trusted by clients across Southeast Asia and worldwide markets.
News
Stay updated with industry trends, product innovations, and company news.
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Customized galvanized cylindrical pins for Greek customers
Aug 06, 2026
Customized galvanized cylindrical pins for Greek customers
rankoo RANKOOFASTENER Greece -
Customized exclusive T-type bolts for customers
Jul 27, 2026
Customized exclusive T-type bolts for customers
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Customize own mark for the customer. Ultra-long hexagonal half-threaded bolt, DIN912 M6*200
Jul 06, 2026
Customize own mark for the customer. Ultra-long hexagonal half-threaded bolt, DI
Stainless Steel 304 Stainless Steel Fasteners RANKOOFASTENER Corrosion Protection DIN912
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jack@rankoofastener.com
+86-13760536691
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