heavy hex nut

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Heavy Hex nuts

Size: M6-M100,1/4"-4"
Standard: ASME B18.2.2,ASME B18.2.4.6M,DIN934 H=D,UNI5587
Materials: Stainless steel,Duplex, Nickel Alloy, Nickel-Copper,Titanium
Grade: A194 8,8M,8T,8C,8S,8A,8MA,8TA,8CA,8SA,8MLCuN,8MLCuNA
F51,F53,F55,F60,F61,F904L,XM-19,SMO254,A453 660,Alloy 20 Inconel600,601,602CA,625,718;Incoloy 800,800HT,825,925,926 Hastelloy C22,C276,Monel400,K500 Titanium Gr2,Gr5,Gr7
Thread: Metic, UNC, NUF, 8UN, UNS, BSW
Process: Hot forged+Machining
Finish: Self Color, Plain
Packing: Carton box(Max 25kg), wooden pallets or acccording to customer's requirement
Producing Capacity: 10 ton/month
Delivery Term: CIF/FOB/EXW/DDU/DDP
Payment Term: T/T,L/C,Western Union,D/A,D/P,etc
Market: Japan,Italy,India,UAE,Malaysia, Taiwan


Application: Petro-Chemical,Oil & Gas,Power Generation,Nuclear,Wind Energy,Ocean Engineering,Heavy Engineering,Subway Engineering,Environmental Engineering
Our Experience: Winrock have 8 yeas experience for special alloy fastener,all the raw materials is from the famouse mill company, we have more stock raw materials for stainless steel,nickel alloy, hastelloy etc,price and quality is competitive
Our advantage: One-Stop Shopping, High-Quality,Timely delivery, Strict Inspection, Competitive price


1. Where do you get the raw materials?
We cooperate with the famouse steel company in china, such as Baosteel, Tsingshan steel, ect
2. Do you make inspection for raw materials before producing?
Chemical element analysis will be done for each batch raw materials. Keep materials is right
3. How do you keep the quality is well for each batch cargo?
A series of inspection process will be arranged before delivery, included chemical element analysis,
physical property test, Hardness and dimension inspection.
4. Could we get the certificate?
MTC, Certificate,inspection pictures will be sent after finished the cargo
5. How do you manage your documents?
All the documents and inspection certificate will be recorded by QC for 2 years.
6. How is the shipping process?
For LCL cargos, our professional logistics company will arrange the cargo to customer's forwarder warehouse
For FCL cargos, the container come to our factory location, our professional workers will assist to
pack up the cargos.
Our profesional documents manager will prepare all the documents,keep the delivery smoothly,
Such as invoice, packing list, certificate of original,ect