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Railroad Dog Spike

Product Overview Railroad dog spikes (also called cut spikes or track spikes) are large, square-shanked nails specifically engineered for: Securing flat tie plates to wooden sleepers Maintaining track gauge stability in conventional ballasted track Providing lateral restraint against rail creep...

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Features

Product Overview

Railroad dog spikes (also called cut spikes or track spikes) are large, square-shanked nails specifically engineered for:

Securing flat tie plates to wooden sleepers

Maintaining track gauge stability in conventional ballasted track

Providing lateral restraint against rail creep

Cost-effective fastening for low-to-medium density lines

Material Specifications

Property	Standard Specification	Premium Grade
Steel Grade	AISI 1020 (Mild Steel)	AISI 1045 (Medium Carbon)
Carbon Content	0.18-0.23%	0.43-0.50%
Tensile Strength	410 MPa min	585 MPa min
Surface Treatment	Hot-dip galvanized (50μm)	Zinc-iron alloy (60μm)
Hardness	80-100 HB	25-32 HRC

Manufacturing Process

Wire Drawing

Cold drawing to 9.5mm square profile

Surface cleaning (pickling/phosphating)

Hot Forging

1150°C head forming

Precision die sets for dimensional control

Heat Treatment

Stress relieving at 600°C

Selective hardening (premium grade only)

Surface Finishing

Centrifugal galvanizing

Passivation treatment

Installation Specifications

Driving Angle

Hammer Energy

Minimum Penetration

Torque Requirements

Comparative Analysis

Feature	Dog Spike	Elastic Spike	Screw Spike
Installation Speed	Fastest	Moderate	Slowest
Maintenance Frequency	Annual	3-5 years	5-7 years
Cost per Unit	0.75−0.75−1.25	3.50−3.50−5.00	2.00−2.00−3.50
Best Application	Low-speed mainline	Heavy-haul	Curves/switches