- The knurling wheel presses the stud bolt securely against the internal serration.
- While being bored out, the stud bolt is located in the key area and cannot break off.
KUKKO quality standards
- Quality made in Germany.
- Strong design, high performance and long service life.
- Safety label to ensure protection of intellectual property.
- Do not use any electrical or pneumatic servo screwdrivers or hammer drills.
- Protective blanket required.
- Protective goggles required.