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.
TREP® spring washer
It consists of 3 or 4 smooth conical spring washers joined together by a metal insert.
- Guaranteed resistance to loosening
- High resistance to unscrewing
- Able to compensate for the expansion and creep of assembled parts
- Suitable for all screw quality classes
TREP Plus® spring washer
It consists of a TREP® spring washer combined with a flat washer for use on soft materials.
- Guaranteed resistance to loosening
- High resistance to unscrewing
- Able to compensate for the expansion and creep of assembled parts
- Suitable for all screw quality classes
- Even distribution of clamping force
- Does not mark or damage soft substrates
