Rail Bolt

Rail bolts, also called track bolts, or Rail anchor bolts, is used for fixing rails or baseplates to sleepers. The rail bolt is a bolt inserted through a hole in the sleeper with a fanged nut that bites into the lower surface of the sleeper.

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Rail Bolt

  • Main Function

    The Rail Bolt is used for fixing baseplates to sleepers. And Fishbolt can be used to assemble Fishplates and the steel Rails.
  • Types

    Variety types of T Head Bolt, Hexagon Head Bolt, Square Head Bolt, Tunnel Bolt, Double Head Bolt, ect.
  • Surface Treatment

    Zinc, HDG, Plain oiled, Black Oxide, etc
  • Material & Grade

    Grade 4.8 of material Q235, Grade 5.8 of material 35K, Grade 8.8 of material 45#, Grade 10.9 of material 40Cr

Application for Rail Bolt in Fastening System

Item Component Types Material
1 Rail Clip SKL12 60Si2MnA
2 Screw Spike Ss8 35K
3 Rail Dowel Sdu9, Sdu25 HDPE/PA6
4 T Bolt&Nut&Washer Hs32/Hs26 35K
5 Rail Pad According to customer’s drawing EVA/TPU
6 Tie Plate UIC54/UIC60 Q235/QT450-10
Types Photos Technical Specifications

T bolt

Size: M16 – M48
Material: Q235, 35#, 45#, 40Cr
Grade:  4.6, 5.6, 8.8, 10.9
Surface: Plain, Oxide Black, Zinc, HDG, Color Painted.
Standard: BS , AS , AREMA, DIN, ISO, GB, etc.

Hexagon track bolt

Size: M16 – M48
Material: Q235, 35#, 45#, 40Cr
Grade:  4.6, 5.6, 8.8, 10.9
Surface: Plain, Oxide Black, Zinc, HDG, Color Painted.
Standard: BS , AS , AREMA, DIN, ISO, GB, etc.

Square head track bolt

Size: M16 – M48
Material: Q235, 35#, 45#, 40Cr
Grade:  4.6, 5.6, 8.8, 10.9
Surface: Plain, Oxide Black, Zinc, HDG, Color Painted.
Standard: BS , AS , AREMA, DIN, ISO, GB, etc.

Fish bolt

Size: M16 – M48
Material: Q235, 35#, 45#, 40Cr
Grade:  4.6, 5.6, 8.8, 10.9
Surface: Plain, Oxide Black, Zinc, HDG, Color Painted.
Standard: BS , AS , AREMA, DIN, ISO, GB, etc.

Tunnel Bolt

Types: Square flange bolts with round thread,
special curve bolt, spear bolts with special pitches, etc.
Material: Q235, 35#, 45#, 40Cr
Grade:  4.6, 5.6, 8.8, 10.9
Surface: Plain, Oxide Black, Zinc, HDG, Color Painted.
Double head track bolt Size: M16 – M48
Material: Q235, 35#, 45#, 40Cr
Grade:  4.6, 5.6, 8.8, 10.9
Surface: Plain, Oxide Black, Zinc, HDG, Color Painted.
Standard: BS , AS , AREMA, DIN, ISO, GB, etc.

With over 20 forging machines, we are able to offer various bolts such as Track bolt, Fish bolt, T bolt, Hexagonal Bolt, Anchor Bolt, etc.

Our advantages:

  • Advanced production equipment, mature production technology and perfect quality assurance system
  • High production volume, able to produce with the fastest speed.
  • Mature management system with lowest cost, which guarantee the quality stability.
  • Competitive price with best service.

Do You Have A Railway Project We Can Help With?

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GK GROUP

GK GROUP, which belongs to Nanchang Railway Buareau, is an enterprise manufacturing railway fasteners, whose products covering fields of railway, urban rail, mining, ect.
There are two factories located in Zhangzhou Fujian, which are all CRCC and ISO certificated, with total area about 320,000 ㎡, workers over 300, and annual sales volume over RMB 200,000,000.

Founded in 1960, With over 50 years specializing in railway fasteners, GK has served many demanding markets worldwide, including USA States, Chile, Argentina, Ecuador, Brazil, Thailand, Indonesia, Malaysia, Vietnam, Spain, Italy, Romania, England, Kazakhstan, etc.

What do we

OFFER?

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We have 4 automatic clip production lines with robot hands, which have the production volume for 60,000 pieces clips per day.
Avantages for robot hands production:

– Guarantee the dimensions stability
– Increase the quality
– Maximum the production volume
– Reduce labor cost

With the advanced forging production lines, we are able to produce screw spikes, rail bolts, rail clamp, rail anchor, and all other forged products.

Our advantages:

– Advanced production equipment, mature production technology and perfect quality assurance system.
– High production volume, able to produce with the fastest speed.
– Mature management system with lowest cost, which guarantee the quality stability.
– Competitive price with best service.

We use lost foam casting process, the advantages as below:

– Without Limits.Lost Foam enables geometrically complex cast parts to be created with the highest quality.
– Dimensionally exact. – High dimensional accuracy and low tolerances.
– Better Surface. Surface smooth and less flaws.
– Without subsequent machining. Lost Foam is done without a core and without burrs so that there is almost no subsequent fettling work.
– Weight reducing. Lost foam enables the creation of thin-walled, filigree cast product.
– Environmentally friendly. Energy efficient casting process with low emissions and closed mould material circulation.

With advanced injection machines, we are able to offer:

– Angle plate or rail insulator
– Rail pad
– Plastic dowel
– Other products according to customer’s needs

We are able to do various surface treatment with the most advanced technology. All the surface treatment is eco-friendly and finished in our own factory.

– Electrostatic spraying for rail clips. Anti-corrosion for 2 years.
– Darcromet for most rail fasteners. Anti-corrosion for 10 years.
– Zinc-nickel alloy co-permeation for most fasteners. Anti-corrosion for 20 years.

Our testing center the most advanced testing equipment:

– Universal testing machine
– Spectroscopic test machine
– Hardness Test machine
– Cold Bending Test Machine
– Fatigue test equipment for clip
– Fluorescent magnetic particle inspection machine
-Salt spray test equipment

Our Certificates

With ISO and CRCC certificated, Guokeng tries its full efforts to save cost for each client by upgrading our Production Equipment & Inspection Facility & Quality Management System to be more efficient, economy, and also with good quality control capacity. Quality and reliability are always our culture. We will never stop upgrading and developing, and will spend our whole life in delivering best quality and service.

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