best quanlity steel concrete nails                     

1:Material: Middle carbon steel 1045,1060.

 2:Length: 16mm to180 mm

 3:Diameter: 1.2mm to 7.0mm

 4:Hardness: HRC48-52

 5:Head: countersunk, oval countersunk.

 6:Finish: electro galvanized/hot dip galvanized/blue, black.

 7:Shank: smooth, strip, groove, interval groove, twist, ring.

 8:Point: Long or short diamond point

 9:MOQ:3 tons

 10:Trade Terms:FOB,CIF,CFR

 11: THE SIZE = Length x diameter 

the size :(length x diameter as follow )

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