41 05 503 Installation Solution For Straight Shank/Hexagon Rivet Nut

Protection measures! 

• Wear protective goggles
• Wear protective gloves

Straight shank rivet nut: 

1. Mark position of bore and then punch-mark component
   IMPORTANT: If the determined drill bit diameter is not observed:

   • the knurling on the straight shank rivet nut is rendered useless
   • the component will be damaged when the straight shank rivet nut is inserted

   Determining suitable drill bit: 

   Depending on the rivet nut shank diameter, the next drill bit diameter higher (5/10 step) can be used.

   E.g. with a shank diameter of 10.1 mm, the 10.5 mm drill bit can be used. The 11.0 mm drill bit must not be used.

Fig 1: Bore Position And Punch-Mark Component
Courtesy of BMW OF NORTH AMERICA, INC.
2. Drill bore with determined drill bit and deburr, pilot-drill with a smaller drill bit if necessary
   Fig 2: Drilling Component

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3. Clean component, eliminate paintwork damage if necessary
   Fig 3: Newly Drilled Hole In Component

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   IMPORTANT: To avoid corrosion, stop chips/swarf by means of cavity sealing.

   Follow instructions on corrosion protection. 

4. Preserving cavity
   IMPORTANT: Follow manufacturer's operating instructions.

   Make sure straight shank rivet nut correctly contacts component.

   Fig 4: Hand Rivet Gun And Component

   Courtesy of BMW OF NORTH AMERICA, INC.
5. Set straight shank rivet nut with hand rivet gun
   NOTE: According to the manufacturer, the pictured tool is suitable up to an M8 thread.
   Fig 5: Hand Rivet Gun And Component

   Courtesy of BMW OF NORTH AMERICA, INC.

Hexagon rivet nut (up to M8 thread): 

1. Set hexagon rivet nut with hand rivet gun
   NOTE: According to the manufacturer, the pictured tool is suitable up to an M8 thread.
   Fig 6: Hand Rivet Gun And Component

   Courtesy of BMW OF NORTH AMERICA, INC.

Hexagon rivet nut (from M10 thread): 

1. Insert screw (tensile strength min. 10.9) with body washer into hexagon rivet nut
2. Insert hexagon rivet nut into pre-punched hexagon hole and install by turning screw

Notes on installation: 

1. Rivet nut is upset (screw very difficult to move).
2. Rivet nut is contracted (screw comparatively easy to move).
3. Rivet nut is pressed onto the component (screw slowly becomes difficult to move). Procedure is finished with the fitting of the relevant component and its tightening torque