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DIN125 · DIN126 · DIN127 · DIN6915 — Zinc Plated, Galvanized & Carbon Steel
Switzerland is one of Europe's most demanding industrial markets, with world-class standards in precision engineering, watchmaking, pharmaceutical manufacturing, construction, and transportation infrastructure. Plain washers — also known as flat washers — play a critical yet often overlooked role across all these sectors. Complying with DIN 125, DIN 126, DIN 6916, and ISO standards, high-quality plain washers are indispensable components in Swiss industrial and construction applications.
The Swiss market prioritizes stringent quality control, corrosion resistance, and dimensional accuracy. Whether for high-altitude rail bridges, precision medical device assembly, or large-scale commercial construction in cities like Zurich, Geneva, Basel, and Bern, reliable plain washers that meet EN and DIN norms are essential. Our ZYL brand washers — certified under ISO 9001, EN 15048, and EN 14399 — are engineered to meet exactly these requirements.
As a trusted plain washer supplier for Switzerland, Ningbo Zhongli Bolts Manufacturing Co., Ltd. delivers consistent quality, competitive pricing, and flexible logistics to meet the procurement needs of Swiss distributors, contractors, and manufacturers.
Where Swiss Industries Rely on High-Quality Plain Washers
Switzerland's iconic tunnels — including the Gotthard Base Tunnel, the world's longest railway tunnel — demand fastening components with extreme precision and durability. Plain washers with hot-dip galvanized or zinc-coated surfaces are widely used in structural steel connections, rail anchoring systems, and tunnel lining assemblies where moisture and vibration resistance are paramount.
Switzerland is the global capital of precision watchmaking and micro-engineering. Ultra-thin, dimensionally accurate flat washers in stainless steel and carbon steel are used in assembly jigs, tooling fixtures, and mechanical components. DIN 125 washers with tight tolerances are preferred by Swiss precision manufacturers in the cantons of Jura, Neuchâtel, and Biel/Bienne.
Rapid urban development in Zurich, Geneva, and Basel drives consistent demand for structural fasteners. DIN 6916 heavy-duty plain washers and DIN 125 flat washers are used in steel-frame buildings, curtain wall systems, and bridge structures. Swiss building codes require EN 14399-compliant fastening systems, making certified washers a non-negotiable procurement requirement.
Swiss Federal Railways (SBB) operates one of the world's densest and most punctual rail networks. Plain washers and spring washers are critical in rail fastening systems, bogie assemblies, and overhead line hardware. Our DIN 127 spring washers and DIN 125 flat washers meet the vibration and load-bearing demands of high-speed Swiss rail applications.
Switzerland hosts global pharmaceutical giants including Novartis, Roche, and Lonza. Cleanroom-compatible plain washers in stainless steel and zinc-plated finishes are used in pharmaceutical processing equipment, laboratory instruments, and medical device manufacturing. Dimensional consistency and surface quality are critical in these regulated environments.
Switzerland generates over 60% of its electricity from hydropower. Plain washers are extensively used in turbine assemblies, penstock flanges, dam gate mechanisms, and solar mounting structures in the Swiss Alps. Hot-dip galvanized washers with superior corrosion resistance are the preferred choice for outdoor and submerged applications in Swiss hydropower plants.
Evolving Standards, Sustainability & Digital Procurement
Swiss procurement standards are increasingly aligned with European EN norms. Buyers in Switzerland now routinely require EN 14399-compliant structural washers and EN 15048 non-preloaded bolt assembly certification. Our factory holds both certifications, ensuring seamless compliance for Swiss distributors and end-users in structural steel and civil engineering projects.
Switzerland's strong environmental regulations and REACH compliance requirements mean that Swiss buyers increasingly demand RoHS-compliant surface treatments and eco-friendly zinc coatings. Our zinc-plated and hot-dip galvanized washers are produced using environmentally responsible processes, meeting Swiss and EU environmental directives without compromising performance.
Swiss precision industries increasingly require custom-dimensioned washers beyond standard DIN ranges. Our factory supports non-standard washer production from M10 to M48 in various materials and coatings. Swiss OEM manufacturers and specialty contractors benefit from our flexible customization capability with fast turnaround and competitive pricing.
Swiss industrial buyers are rapidly adopting digital procurement platforms and just-in-time supply chain models. Our streamlined export process, reliable container loading, and responsive sales team — reachable via email, WeChat, and WhatsApp — ensure Swiss buyers receive accurate quotations, MTC documentation, and on-time delivery to Swiss ports and logistics hubs.
Ningbo Zhongli Bolts Manufacturing Co., Ltd., founded in 2003, is a professional manufacturer of high-strength fasteners in different specifications for various models. The company covers an area of about 10,000 square meters, with a registered capital of 1,500,000 RMB and a total annual productivity of 8,000 tons per year. The company has set up several sales branches in different provinces in China.
Meanwhile, the company's products are exported to Europe, USA, Middle East, Africa, Southeast Asia and other regions. The company has strong technical ability, complete testing equipment, and a variety of fully automatic multi-station cold and hot heading machines, so as to provide you with reliable and high-quality products.
Through scientific management, Ningbo Zhongli Bolts Manufacturing Co., Ltd. obtained ISO 9001 certification of Quality Management System. We have also passed EN 15048, EN 14399, AD2000, and CE certificates — making us a fully qualified plain washer supplier for Switzerland and the broader European market.
Read More About UsZYL Brand Fasteners — Hex Bolts, Washers, Nuts & More
Our main products under the ZYL brand include structural hex bolts ASTM A325 type 1, A490, hex head bolts DIN931, DIN933, EN14399, DIN6914, ISO4014, ISO4017 Gr8.8 Gr10.9 Gr12.9, ANSI B18.2.1 UNC and UNF Gr5, Gr8, fine pitch hex bolts DIN960, DIN961 Gr8.8 Gr10.9 Gr12.9, hex socket cap screws DIN912, ISO4762 Gr8.8 Gr10.9 Gr12.9 with surface Black, Zinc plated, Hot dip galvanized. Diameters from M10 to M48, length no limited.
Hex Flange bolts DIN6921 Gr8.8 Gr10.9 with serration, thread rod A193 B7 long sizes and short sizes with 2H nuts, stud bolts. We also supply hex nuts DIN934, DIN6915, plain washers DIN125, DIN126, DIN6916, spring washers DIN127 with Black, Zinc plated and Hot dip galvanized surface.
Our physical and mechanical test results reach ISO 898-1 for bolts and ISO 898-2 for nuts. We hope to establish business relationships worldwide, bringing mutual benefits for both parties.
Popular Fastener Solutions for Swiss & European Markets
From Raw Material to Swiss-Ready Export
State-of-the-Art Manufacturing Facilities
Why Swiss Buyers Choose Zhongli Plain Washers
A Professional Sales and Technical Team with More Than 20 Years History.
We Have Our Own Testing Equipment and Laboratory, Our Products Have Initial Inspection, Patrol Inspection, And Final Inspection.
Our Factory Has Its Own Cold Forged, Hot Forged, And Heat Treatment Equipment.
Standard Fasteners in Stock, Non-standard Fasteners Can Be Customized.
We Have Passed ISO 9001, EN 15048, EN 14399, AD2000 and CE Certificates.
We hope to establish business relationships worldwide, and our business can bring mutual benefits for both parties.
Every batch of plain washers destined for Switzerland undergoes rigorous multi-stage quality inspection. Our dedicated laboratory and testing team ensure that dimensional tolerances, mechanical properties, and surface coatings meet or exceed DIN, EN, and ISO specifications required by Swiss industrial buyers.
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Spring Steel · Metal Lock · DIN6915 · Galvanized — Full Range
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