Metro segment bolts are mainly used in subway shields, tunnel segment connections, shallow buried longitudinal segment connections, building segment connections, subway segment connections, etc.
Kingrail Parts' metro bolts are made from high quality carbon steel. The thickness of the galvanized layer is ≥85-100μm, with strong corrosion resistance and long service life.
As a professional metro bolt manufacturer, Kingrail Parts can produce subway segment bolts in various sizes. We can also customize metro bolts according to customers' specifications and drawings.
Segment Tunnel Arc Bolt Specification:
Dimension | Arc Length mm | Tensile Strength | Surface Treatment |
---|---|---|---|
M25~M39 | 480~880 | 4.6、4.8、5.6、5.8、8.8 | Dacromet, Hot dip Galvanized |
Segment Tunnel Straight Bolt Specification:
Dimension | Arc Length mm | Tensile Strength | Surface Treatment |
---|---|---|---|
M25~M48 | 480~880 | 4.6、4.8、5.6、5.8、8.8 | Dacromet, Hot dip Galvanized |
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