Product Attribute
Product Grade: 4.6, 5.6, 8.8, 10.9
Usage: Concrete Ring Connect for Tunnel
Size: M20, M24 and Other Size Bolt
Coating: Plain, Zinc Plated, Hot DIP Galvanized.
Application: Connecting Concrete Ring
Transport Package: Woven Bag and Wood Pallet
Production Capacity: 1800000 Tons
Main Products: Rail, Clip, Track, bolt, with, nut, Screw, Spike, Maintenance, Tool