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Railroad Bridge Bolts

Product Overview Railroad bridge bolts are high-strength structural fasteners specifically engineered for steel and concrete railway bridges, providing critical load-bearing capacity and vibration resistance in demanding rail environments. These bolts ensure long-term structural integrity under...

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Features

Product Overview

Railroad bridge bolts are high-strength structural fasteners specifically engineered for steel and concrete railway bridges, providing critical load-bearing capacity and vibration resistance in demanding rail environments. These bolts ensure long-term structural integrity under dynamic train loads and environmental exposure.

High Quality

Advanced Equipment

Professional Team

Custom Service

FEATURE 01

Ultra-High Strength – Grade 10.9, 12.9, or ASTM A325/A490

FEATURE 02

Corrosion Defense – Hot-dip galvanized, Dacromet, or stainless steel

FEATURE 03

Vibration Control – Prevailing torque or Nord-Lock washer systems

FEATURE 04

Bridge-Specific Design – Extra grip length for composite structures

FEATURE 05

Conform to the standard

FEATURE 06

Common Bridge Bolt Types

Bolt Type	Application	Standard
HSFG Bolts	Steel girder splices	EN 14399-8
Anchor Bolts	Bridge pier/base connections	ASTM F1554
Tension Control Bolts	High-strength friction joints	ASTM A325TC
Expansion Bolts	Concrete-to-steel attachments	DIN 7990
Shear Connector Bolts	Composite deck-girder links	AWS D1.5

Corrosion Protection Systems

Method	Thickness	Life Expectancy	Best For
Hot-Dip Galvanizing	55–85μm	30–50 years	Most steel bridges
Thermal Spray Zn/Al	150–200μm	50+ years	Coastal zones
Dacromet	8–12μm	20–30 years	Bolted joints
Stainless Steel	N/A	Permanent	Critical areas