high quality nuts with black coating, grade 6 ,made of 5140(SCr4) good material,M100,m120

View of workshop:

Look forward for you enquiry~

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1)Standard: Din, ISO,JIS,ANSI,GB ,BS.
2)Size:M3 to M64

3)Material:carbon steel,alloy steel,other

4)Technology:cold forming&hot-forging.

5)Surface protection: zinc plated,phosphate,bake paint,  dacromet, etc.

6)Quality: grade 3.6,4.6,4.8,5.6,6.8,8.8,9.8,10.9,12.9

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Packing:

             Inner Packing: plastic bag

             Outer packing: neutral carton fastened with plastic ribbon.

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Service:

1. We can produce the bolts by drawing,sample or 3d model.

2. We can supply product mark and package by your design under the instance of law allowed.

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Any inquires,please send us,we will reply  you as soon as possible,thank you!