Railway fasteners factory, railroad construction





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Railroad Insulator

Materials: PA6, PA66, PA66+GF30% Dimension: Different Size Available, Customized according to the drawing Standard: DIN, NF, AREAMA, etc MOQ: 5000 Piece/Pieces Supply ability: 300 Ton/Tons per Month D

  • Product Description

Materials: PA6, PA66, PA66+GF30%

Dimension: Different Size Available, Customized according to the drawing

Standard: DIN, NF, AREAMA, etc

MOQ: 5000 Piece/Pieces 

Supply ability: 300 Ton/Tons per Month 

Delivery: within 15 working days

Railroad Insulator

Rail insulator set

Also know as railway spacer, plastic insulator, Nylon Insulator, PA66 Insulator, being widely used in rail fastening.

Product Description



Reinforced Nylon 66 (PA66)

Technical spec.


Tensile strength: ≥170Mpa

Elongation: ≤4.4%

Bending Strength: ≥250Mpa

Impact Strength(No gap): ≥80KJ/m2

Melting point:250-270°C

Insulation resistance:≥1×108Ω

Glass fiber content:30-35%



Black, blue, yellow, green or other color

 PA66: Nylon 66.69%, Glass Fiber 30%, Other 1%

Rail Insulator Production (2)Rail Insulator ProductionRail Insulator Production (1)Rail Insulator Inspection

Packaging & Shipping

 Rail Insulator PackagingPackaging

Our Services





We manufactures  Rail E Clip and Clamp,  High Tensile Bolt with Nut and Washer,  Rail Base(Tie) Plate,  Rail Fish Plate,  Rail Shoulder,  Rail Screw and Spike,  Fish Bolt with Nut and Washer,  Rail Dowel,  Rubber and EVA Pad,  Crane Rail and Light Rail,  Wooden Sleeper,  Auto Bolt and Other spare parts.


Company Information

ksalex company sksalex company (2)  

Kunshan Alex Railway Fastening Co., Ltd manufactures railway fasteners and standard components. As a leading railway fasteners manufacturers in China,with production license of Chinese railway Ministry, advanced technology, high precision inspection instruments and service, our products have been widely exported the USA, Germany, Spain, Japan, Australia, Italy, Netherlands, Belgium, Poland, the UK, India, and South Africa etc.

We can provide products according to customers drawings and samples.Our main products are as following:

1. Screw spike/Coach screw/Drive screw/Sleeper Screw, Dog spike/Railroad spike/Lock spike/Cut spike,etc.

2. Rail clip/ Tension clamp/ E, R, SKL clip/ Pandrol clip/ Deenik clip

3. Swivel Bolts/ Track Bolt/ Special bolts/ U bolts/ J bolts/ Anchor bolts/ Foundation bolts/ Stud bolts/ Rod bolts/ Curved bolts/ Tunnel bolts

4. Tie plate/ Base plate / Rail plate/ Rail fixing base/ Rail Pads/ Sole plate/ Sole pad

5. Fish plate / Joint bar / Rail joint/ Splice Bar

6. Track bolt/ T bolt / Rail bolt/ Clamp bolt/ Inserted bolt/ Clip bolt/ Fish bolt/ Square bolt/ Rod bolt /Rail joint bolt

7. Clamp plate/ Rail spring clamp/ Anchor plate/ Steel clip

8. Rail Shoulder/ Rail sleeper Inserts/ Rail Anchors for rail sleepers

9. Plastic dowel / Guide plate/ Nylon insert

We are trying to supply the best products at the best price!

Railroad Insulator


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