RAMPA Nut Inserts – Type SRD, M4, with Collar, Silver Zinc
The RAMPA Type SRD M4 Nut Inserts are engineered for strong, reliable fastening in wood, wood-based panels, and thermoplastics. Built with a sealing collar, they provide secure seating and prevent pull-through, ensuring long-lasting performance in demanding applications.
Designed with a hexalobular drive (DIN EN ISO 10664), the SRD inserts enable easy installation with excellent torque transfer while reducing the risk of tool slippage. Dimensionally, they correspond to the proven RAMPA Type SKD series, offering compatibility with existing installation standards.
Finished in silver zinc plating, these inserts combine strength, wear resistance, and protection against corrosion.
Specifications:
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Brand/Series: RAMPA Type SRD
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Type: Threaded nut insert with collar
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Thread Size (Internal): M4
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Drive Type: Hexalobular (DIN EN ISO 10664)
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Collar: Sealing collar for stable seating
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Compatibility: Dimensionally corresponds to RAMPA Type SKD
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Material/Finish: Steel with silver zinc plating – durable and corrosion-resistant
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Application Materials: Wood, composites, and thermoplastics
Features & Applications:
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Hexalobular drive ensures safe installation with reduced wear on tools
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Sealing collar prevents insert pull-through and improves stability
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Compatible with SKD dimensions for easy substitution or mixed use
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Silver zinc finish provides corrosion resistance and long service life
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Ideal for furniture manufacturing, timber engineering, woodworking, plastics, and assembly projects
