... and stainless steel wire in welding ,twisting ,bunching ways. For better anti-corrosion and resistance to oxidation ,the surface ... expansion bolts Unit: MM PS: This data only for reference, please ask more details from our engineers Suitable ... for: High way ,Railway*** Airport ,Military base****(With elbow,barbed wire ) Park ,Greenbelt*** Traffic seperation** Outside of factory**** Ball sports stadium ...