# Buy triform spread rivet alu/alu 4.8x20.5mm | Autoservice ## Triform spread rivet alu/alu 4.8x20.5mm (3.0-9.0) (100 pieces) Fasteners / Blind rivets / Spreader nails Aluminum spread rivet with dome head, ideal for soft materials, clamping range 3.0-9.0 mm. ## Prices and stock - **SIN-AHS48-20-BULK**: € 33,13 incl. VAT — backorder ## Order URL [Triform spread rivet alu/alu 4.8x20.5mm (3.0-9.0) (100 pieces)](https://www.auto-service.be/en/fasteners/blind-rivets/spreader-nails/spread-nail-triform-alualu-48x205mm-30-90-100pcs) ## Alternate URLs - **nl**: [Triform spread rivet alu/alu 4.8x20.5mm (3.0-9.0) (100 pieces)](https://www.auto-service.be/nl/bevestigingsmateriaal/blindklinknagels/spreidnagels/spreidnagel-triform-alualu-48x205mm-30-90-100st) - **fr**: [Triform spread rivet alu/alu 4.8x20.5mm (3.0-9.0) (100 pieces)](https://www.auto-service.be/fr/materiel-de-fixation/rivets-aveugles/pose-de-clous/rivet-expansible-triform-alualu-48x205mm-30-90-100pc) - **en**: [Triform spread rivet alu/alu 4.8x20.5mm (3.0-9.0) (100 pieces)](https://www.auto-service.be/en/fasteners/blind-rivets/spreader-nails/spread-nail-triform-alualu-48x205mm-30-90-100pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/6897/conversions/spreidnagel-triform-alualu-48x205mm-30-90-100st-8155-optimized.jpg) ## Specifications - **Reference**: SIN-AHS48-20-BULK ## Product description ### Optimal fastening for soft materials These spread rivets, also known as umbrella or triform rivets, are specially designed for securely fastening soft, brittle, or porous materials. Thanks to the unique construction, the rivet spreads behind the material into three equal ribs, ensuring even pressure distribution and preventing material damage. ### Specifications - **Diameter**: 4.8 mm - **Length**: 20.5 mm - **Clamping range**: 3.0 - 9.0 mm - **Sleeve material**: Aluminum - **Mandrel material**: Aluminum - **Head shape**: Dome head - **Pre-drill diameter**: 5.0 - 5.2 mm - **Tensile strength**: 950 N - **Shear strength**: 750 N ### Applications These spread rivets are ideal for fastening: - Plastic panels - Insulation material - Plasterboard - Wooden components They are often used in the automotive sector for mounting interior panels and body parts, but are also suitable for various other applications where a strong and reliable connection is required. ### Advantages - **Even pressure distribution**: The three ribs provide wide spreading behind the material, minimizing the risk of damage. - **Easy installation**: Can be quickly and efficiently installed with standard blind rivet pliers. - **Corrosion resistant**: The use of aluminum provides good resistance to corrosion, extending the lifespan of the connection. ### Packaging This set contains 100 spread rivets, sufficient for medium-sized projects or for replenishing your stock. ### Installation instructions 1. **Pre-drilling**: Drill a hole with a diameter of 5.0 to 5.2 mm at the desired location. 2. **Placement**: Insert the spread rivet through the material to be fastened and the underlying substrate. 3. **Riveting**: Use suitable blind rivet pliers to pull the rivet until the mandrel breaks off. With these spread rivets, you are assured of a reliable and durable fastening for your projects. ## Breadcrumbs - [Fasteners](https://www.auto-service.be/en/fasteners) - [Blind rivets](https://www.auto-service.be/en/fasteners/blind-rivets) - [Spreader nails](https://www.auto-service.be/en/fasteners/blind-rivets/spreader-nails) ## Related products - [Triform spread rivet Alu/alu 4.0x14mm for strong fastening](https://www.auto-service.be/en/fasteners/blind-rivets/spreader-nails/spread-nail-triform-alualu-40x14mm-10-30-20pcs) - [Triform spread rivet aluminium/aluminium 4.8x16mm (1.0-3.0) (20 pieces)](https://www.auto-service.be/en/fasteners/blind-rivets/spreader-nails/spread-nail-triform-alualu-48x16mm-10-30-20pcs) - [Triform spread rivet aluminum 4.8x16mm for strong connections](https://www.auto-service.be/en/fasteners/blind-rivets/spreader-nails/spread-nail-triform-alualu-48x16mm-10-30-100pcs) - [Triform spread rivet aluminium 4.8x20.5 mm (3.0-9.0 mm) 20 pieces](https://www.auto-service.be/en/fasteners/blind-rivets/spreader-nails/spread-nail-triform-alualu-48x205mm-30-90-20pcs) - 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