a286 high quality fasteners astm a453 660 en1.4980 hardware machine screw fixings

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A453 660D Hex Bolts
Standard: ASME B18.2.1, ASTM A453
Materials: A453 660D
Heat Treatment: Solution+Aged Hardened
Thread: UNF
Finishe: Self Color
Packing: Carton box(Max 25kg), wooden pallets or acccording to customer's requirement
Producing Capacity: 20000 pcs/month
Delivery Term: CIF/FOB/EXW/DDU/DDP
Payment Term: T/T,L/C,Western Union,D/A,D/P,etc


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 the 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 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 cargo.
Our profesional documents manager will prepare all the documents,keep the delivery is smooth,
Such as invoice, packing list, certificate of original,ect