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Your Global One-Stop
Fastener Supply
& Solutions Partner
OEM Manufacturing • Precision Production • Global Export
- 12+
- Years of excellence
- M3–M100
- Standard fastener range
- 20+
- Countries Served
About Mertra
Professional Supplier of Comprehensive Fasteners.
We understand every specification, standard, and application requirement. Serving clients across 60+ countries, we deliver reliable industrial fasteners worldwide with consistent quality and professional support.
Deeply Integrated Supply Chain
Our vertically integrated network ensures cost efficiency and supply stability.
End-to-End Quality Control
Rigorous testing at every production stage guarantees consistent product excellence.
One-Stop Sourcing
A single supplier for standard and custom fasteners across all categories.
Agile Response & Delivery
Flexible production scheduling adapts to urgent orders and changing demands.
Full Compliance
All products meet international standards including ISO, DIN, ANSI, and GB.
Professional Technical Support
Dedicated specialists assist with specifications, applications, and ongoing support.
Popular Products
Browse our main fastener families — manufactured to international standards and available in custom specifications.
Bolt
Hex, flange and specialty bolts engineered for industrial assemblies.
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Nut
Hex, lock and flange nuts matched to your bolt grades and finishes.
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Screw
Machine and self-tapping screws for precision fastening applications.
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Washer
Flat, spring and lock washers for load distribution and vibration control.
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Stud & Threaded Rod
Stud bolts and threaded rods for high-pressure and structural joints.
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Special Material Fastener
Exotic alloys and coated fasteners built for harsh environments.
View DetailsIndustries We Serve
Numbers That Build Trust
These figures represent more than metrics—they reflect our commitment to excellence. Over 12+ years, we have built trust with 200+ clients across 50+ countries, delivering 2000+ SKUs with 98.5% on-time performance and less than 0.3% complaints. Quality and reliability, proven by numbers.
20+Countries
10000+SKUs
98.5%OTD
200+Clients
Latest Articles
Engineering notes on fasteners, materials, and manufacturing best practices.
How to Verify Fastener Quality from Chinese Suppliers: A Buyer’s Checklist
A practical 7-point checklist to verify fastener quality from Chinese suppliers before placing your first order.
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Fastener Inspection and Torque-Tension Testing: What Buyers Should Ask For
A practical guide to mechanical testing, coating checks, and documentation that separates a compliant lot from a risky one.
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Let’s build together
Ready to spec your
Ready to spec your
next project?
Send us your fastener list or drawing and we’ll get back to you within one business day with a quote and estimated delivery time.