Material:
- L1 Steel.

Version:
- Electro zinc-plated. D1 D K L SW Note: Screw plugs with collar and hexagonal head for plugging holes with parallel threads.

Dimensions / Technical Data:
- D: 55 mm.
- D1 / thread: M48X1,5.
- K: 12 mm.
- L: 16 mm.
- L1: 5 mm.
- SW: 30 mm.