# BMW Original Specification Blind Rivet \u2013 \u00d8 4.0 \u00d7 10.0 mm (Part Number: 777243)<\/p>\n
This product is part of the Wiel\u00e4nder+Schill XSeries professional riveting technology, optimized specifically for the automotive industry, especially BMW applications. This steel blind rivet offers an ideal solution for the durable and reliable joining of materials where fastening is only possible from one side.<\/p>\n
The product is excellently suited for the one-sided, solid fastening of various materials \u2013 for example sheet metal, plastics, or composites \u2013 ensuring OE (Original Equipment) quality fit and durability.<\/p>\n
## Product Description and Key Features<\/p>\n
This steel blind rivet belongs to the XSeries professional riveting technology category in the Wiel\u00e4nder+Schill range. The rivet design guarantees high tensile strength and resistance to vibration, which is essential for the repair and assembly of modern vehicle body components.<\/p>\n
**Application Area:**
\nThe rivet is primarily recommended for assembly tasks where access is limited and work can only be performed from one side of the elements to be fastened. It is excellently suited for fastening body parts, covers, interior panels, and other structural or non-structural components where adherence to original BMW specifications is required.<\/p>\n
**Material Quality:**
\nThe rivet is made entirely of steel, which ensures the necessary mechanical strength and long service life even under the dynamic loads of vehicles.<\/p>\n
**Package Quantity:**
\nThe product is available in a package of 20 pieces, ideal for smaller repair jobs or testing.<\/p>\n
## Technical Data<\/p>\n
The table below details the critical dimensions and physical properties of the rivet that ensure precise fit and appropriate fastening force.<\/p>\n
| Property | Value | Comment |
\n| :— | :— | :— |
\n| **Part Number** | 777243 | Factory Identifier |
\n| **Manufacturer Category** | Blind Rivet | |
\n| **Compatibility** | BMW OE (Original Equipment) | |
\n| **Material** | Steel | For high-strength fastening |
\n| **Diameter (\u00d8)** | 4.0 mm | Ideal size for the hole to be drilled |
\n| **Head Length \/ Riveting Height** | 10.0 mm | Specification for the material thickness to be fastened |
\n| **Total Length (L)** | 42.45 mm | Total length of the rivet |
\n| **Overall Dimension (Length x Width x Height)** | 7.5 x 7.5 x 42.45 mm | Overall extent of the rivet |
\n| **Package Quantity** | 20 pieces | Package contents |
\n| **Weight** | 0.010 kg | Net weight per package |<\/p>\n
## Advantages of Blind Rivets in Vehicle Repair<\/p>\n
The blind rivets offered by Wiel\u00e4nder+Schill, compliant with BMW specifications, offer numerous advantages during the body repair process:<\/p>\n
1. **Single-Sided Access:** The main advantage is that access to the other side of the structure is not required for fastening. This is critically important for closed profiles, double-walled elements, or hard-to-reach surfaces.
\n2. **Joining a Wide Range of Materials:** Capable of safely and durably joining different materials (e.g., steel, aluminum, plastic), which is a common challenge in modern mixed-material body structures.
\n3. **Fast and Efficient Installation:** The riveting process is faster than welding or screwing in some cases, especially when using the appropriate riveting tool (e.g., XSeries devices).
\n4. **Vibration Resistance:** A properly installed blind rivet exhibits excellent resistance to vibrations and dynamic loads encountered during vehicle operation, preventing premature loosening of the joint.
\n5. **OE Compliance:** Compliance with BMW specifications guarantees that the repair adheres to the manufacturer's requirements, which is important for quality assurance and warranty purposes.<\/p>\n
## Recommended Accessories<\/p>\n
To maximize the efficiency of the riveting process, we recommend the following accessory for the product:<\/p>\n
**Mouthpiece 3.2A**
\n* **Part Number:** 700518
\n* **Description:** Flat-headed mouthpiece with a diameter of 3.2 mm, specifically for blind rivets.
\n* **Compatibility:** Can be used with BR 20 or BR 50 type blind rivet adapters.<\/p>\n
This mouthpiece ensures the optimal deformation of the rivet during fastening, guaranteeing a perfect seal for the 4.0 mm diameter rivet.<\/p>\n
This detailed description and technical data help the user make an informed decision regarding the purchase of the 777243 part number, BMW specification steel blind rivet.<\/p>","protected":false},"excerpt":{"rendered":"
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