Engineering Contractor
Civil and mining contractors need ANSI-spec bolts and anchors with documentation. We support standards and provide Spanish/Portuguese summaries on request.
ANSI · Project batches
Fasteners for South America · ANSI / UNC Supply
Donghuang Factory · Ningbo, China
South America's Build & Mine — ANSI Fasteners, Direct
From Peruvian mining sites to Brazilian infrastructure, South America runs on ANSI / UNC fasteners. Donghuang Hardware supplies heavy hex bolts, anchors, rigging and high-strength parts straight from the factory — with Spanish and Portuguese summaries available on request to ease your procurement.
ANSI / UNC threads
Mining & construction
220+ cold heading machines
Quotes within 24 hours
For Your Role in South America
Who We Serve Across the Region
Infrastructure and mining buyers, often procuring in Spanish or Portuguese — we bridge the language gap with summaries on request.
Industrial Buyer
Mining and equipment buyers need high-strength, corrosion-resistant fasteners and custom specs with technical support.
High-strength · CustomTrader / Reseller
Regional resellers need competitive FOB pricing on ANSI fasteners and stable, repeatable supply.
Competitive FOB · Stable supply
Standards Coverage
Built to ANSI / UNC — The Regional Preference
We manufacture to ANSI and support inch (UNC/UNF) threads, the common reference across South America. Metric (DIN/GB) is also covered.
| Standard | Used in South America for | Donghuang Coverage |
|---|---|---|
| ANSI (American) | Heavy hex bolts, inch-series structural fasteners | Covered — ANSI B18.2.1 heavy hex, UNC/UNF |
| UNC / UNF (inch threads) | Inch-series bolts, nuts, screws | Covered — full inch thread range |
| DIN (German) | Metric reference, widely used | Covered — metric (M) threads |
| GB (Chinese) | General metric fasteners | Covered — metric (M) threads |
Spanish / Portuguese product summaries available on request — just ask when you inquire.
Recommended for South America
Construction & Mining Fasteners Lead Demand
Mapped to the market matrix: building and mining applications drive the order mix.
Heavy Hex & Structural Bolts
ANSI heavy hex bolts, high-strength grades (8.8 / 10.9) for steel structures, bridges and mining equipment.
Explore bolts
Anchors & Fixings
Concrete anchors, drop-in anchors and wall plugs for construction and infrastructure fixing.
Explore anchors
Rigging & Lifting
Shackles, turnbuckles, chain slings and wire rope clips for mining and heavy lifting operations.
Explore rigging
Nuts
Heavy hex, flange and nylon-insert lock nuts paired with structural and mining bolts.
Explore nutsWashers, nails & hardware tools also available on request → view accessories
Related Solutions
Pair This Market With the Right Solution
For Your Role
Tell Us How You Buy — We Route You to the Right Quote
South America FAQ
Common Questions from Regional Buyers
Do you supply ANSI / UNC (inch) fasteners?
Yes. We manufacture to ANSI (e.g. B18.2.1 heavy hex bolts) and support the full UNC / UNF inch thread range, the common reference across South America. Metric DIN / GB items are also covered.
Can you support Spanish / Portuguese communication?
Our primary communication is in English, but Spanish and Portuguese product summaries and quotations are available on request to ease your internal procurement and approval process.
Do you supply mining-grade fasteners?
Yes. We supply high-strength bolts, anchors and rigging suited to mining equipment and structures, with custom specs and surface treatments available.
What trade terms do you support?
We support FOB, CIF and EXW, with logistics coordinated from Ningbo port and 200+ containers shipped per year.
Get a Quote — South America
Tell Us Your ANSI / Mining Requirement
Send your spec and we respond within 24 hours. Mention your standard (ANSI / UNC) and request a Spanish or Portuguese summary if needed.
Direct Contact
Email: tony@wf-fastener.com
Phone / WhatsApp: +86-13355841616
Yuyao, Ningbo, Zhejiang, China
Website: www.dh-hardware.com