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: 22 mm.
- D1 / thread: G3/8.
- K: 6 mm.
- L: 12 mm.
- L1: 3 mm.
- SW: 17 mm.