TREP® exclusivity

The TREP® spring washer

an exclusive and universal GrisGroup product

GrisGroup is the EXCLUSIVE owner-manufacturer of the TREP® brand: a safety system adapted to all classes of screw quality that guarantees the non-restriction of all your mechanical screw and bolt or electrical connection assemblies and the ability to compensate for the expansion and creep of the parts assembled.

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GrisGroup can provide you with detailed documentation. Talking to our sales team is essential: contact us !

GrisGroup is an expert in the manufacture of more complex mechanical components with tight tolerances

Thanks to the complementary nature of its processes (Swiss block, transfer and progressive tooling), GrisGroup can support you in the study, design and production of all types of mechanical components.

We have a wide range of capabilities in the manufacture of mechanical components, which are constantly expanding thanks to the complementary nature of our processes.

Wide range of shaped and stamping parts

Precision-formed and stamped metal parts are used in almost every industry.

From the most complex applications in the automotive industry to simple covers in mechanical engineering, these are above all small parts that are precisely and individually stamped, folded and/or stamped.

Our range of technical washers covers all your bolted assembly requirements

4 main families of washers

• Flat, conical and shaped washers
• Calibrated washers
• Grooved and calibrated washers
• TREP® washers
  
  

Multiple functions

Our products perform the essential functions required to guarantee perfect reliability.

Combined, these functions provide an optimum response to your needs and ensure the perfect integrity of your assembly.

• Surface protection
• Distribution of clamping pressures and ‘closing’ of a wider through-hole
• Guaranteed resistance to loosening
• Maintains screw tension and fatigue resistance
• Compensation for expansion of clearances
• Nut braking
• Shock and vibration damping
• Energy reservoir
• Limiting forces
• Wear compensation