1 1 4 coil nails

Some customers may not use the blade barbed rope immediately when they buy it, some are retail, and some are temporarily unavailable for the construction site. At this time, customers need to follow up the characteristics of the blade barbed rope for storage.

The drawing process of waste product drawing process has a great influence on product function. Generally, large total surface reduction rate (see area reduction rate) and small pass surface reduction rate (about ≤23%) are selected to ensure the tolerance of products. About high strength spring steel wire, the exit temperature of each pass steel wire should be controlled when drawing below 150℃, to prevent the steel wire from changing cracks due to strain aging, which is the main disadvantage of steel wire obsoletion.