
Products
Reliability proven over kilometers
FASTENERS GROUP produces a complete set of flexible rail fastenings designed for use on modern railways, including high-speed lines. Each set consists of five interlocking components, designed and manufactured for compatibility, durability, and ease of installation.
Complete set: 3 polymer parts + 2 metal parts.
Purpose: reliable fastening of the rail to the reinforced concrete sleeper, vibration damping, load distribution and ensuring geometric stability of the track.
Compatibility: structurally compatible with the SKL SL Super system.
Polymer products
Dowel
Function: secures the track screw and serves as a support for the angle guide plate; dampens local stresses in the sleeper.
Material: polyamide (PA6) with modifications to increase impact and heat resistance.
Key properties: high strength, low deformation under long-term load, resistance to aging.
Advantages: reduces the risk of sleeper cracking, ensures stable screw fixation.

Angle guide plate
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Функция: распределяет боковые и вертикальные нагрузки от клеммы на шпалу; фиксирует положение рельса.
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Материал: армированный полиамид (PA6 + стекловолокно) для повышения жёсткости и износостойкости.
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Ключевые свойства: низкий коэффициент трения, устойчивость к маслам и агрессивным средам, термостабильность.
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Преимущества: уменьшение смещений рельса, продление ресурса шпалы и снижение динамических нагрузок.

Subrail pad
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Функция: демпфирование ударов и вибраций, равномерное распределение нагрузки по поверхности шпалы.
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Материал: термопластичный полиуретан (ТПУ) или модернизированные эластомеры с повышенной стойкостью к истиранию.
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Ключевые свойства: высокая эластичность, устойчивость к циклическим нагрузкам, температурная стабильность.
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Преимущества: снижение шума, уменьшение динамических нагрузок на шпалу и рельс.

Hardware
Elastic clamp
Function: provides elastic pressure of the rail to the sleeper, compensates for temperature expansion and dynamic effects.
Design: W-shaped elastic clamp, manufactured according to the SKL SL Super process charts.
Material and finish: heat-treated alloy steel; anti-corrosion coating or protective oil.
Key properties: stable elasticity, high fatigue strength, precise geometry for reliable fixation.
Advantages: long service life, minimal maintenance requirements.

Travel screw
Function: secures the clamp and angle guide plate in the dowel; ensures a secure connection with the sleeper.
Material and processing: hot-rolled steel, heat treatment, finishing anti-corrosion coating.
Key properties: stable thread, high shear strength and fatigue resistance.
Advantages: self-tightening design in operation, reduced maintenance requirements.

Travel screw
Function: secures the clamp and angle guide plate in the dowel; ensures a secure connection with the sleeper.
Material and processing: hot-rolled steel, heat treatment, finishing anti-corrosion coating.
Key properties: stable thread, high shear strength and fatigue resistance.
Advantages: self-tightening design in operation, reduced maintenance requirements.

Technical specifications
01
Interchangeability
All parts are manufactured to exacting tolerances to ensure precise fit and compatibility.
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Materials
Certified polymers and alloy steels supplied by trusted manufacturers
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Size control
Digital measurement control at key operations; checking the geometry of each batch
04
Laboratory control
Our own laboratory carries out incoming inspection of raw materials and outgoing inspection of finished kits.