Product Attribute:
Material:Stainless steel
Color:Black
Applicationt: 
Universal
Production Description:
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1).Standard: DIN934/555,DIN936/439,UNI5587,IFI
2).Size:M3-M56,1/4-3
3).Material: carbon steel,
4).Grade:4,6,8,10,2H
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Features
1)Standard: DIN934/555 DIN936/439 UNI5587 IFI
2).Size:M3-M56,1/4-3
3).Material: low carbon steel, carbon steel35#, stainless steel brass
4).Grade:4,6,8,10,GR.2H
5).Finish: Plain, Black, Zinc Cr+3, Yellow Zinc Cr+6, H.D.G, etc.
6).Packing: bulk, box packing, bag