Setting Self-Tapping Screws

1. Align and secure body parts.
2. Drill body parts using a small drill bit (-X-  mm).
   Fig 1: Checking Body Parts Drilling Dimension

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   Hole geometry

3. Remove body parts.
4. Drill into the outer component (-Y-  mm).
5. De-burr all bore holes.
6. Prepare bonding surfaces and bond body parts.

   5X00IN21 WORKING WITH BODY STRUCTURAL ADHESIVE 

7. Align and secure body parts.
8. Screw on body parts using a special screw.
   1. 8.1  Fit screw.

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      Fitting screw

   2. 8.2  Screw in screw using a drill set to a high speed (> 1, 000 rpm).

      Screwing in the screw at high speed shapes the cylindrical extrusion.

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      Shaping extrusion

   3. 8.3  Groove the metric thread without tension.

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      Grooving thread

   4. 8.4  Continue to screw in at low speed (< 100 rpm).

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      Screwing in screw

      IMPORTANT: If the prescribed torque or torque angle is not reached when screwing in screws (screw does not tighten securely), the next size screw must be used.
   5. 8.5  Tighten the screw to the prescribed torque or torque angle.

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Tightening screw