Description:
Flat knobs with internal or external thread.

Material:
- Steel.

Version:
- Black oxidised.

Variant:
- Form K
- Thread type: Internal thread

Dimensions:
- D: M8
- D1: 32 mm
- D2: 18 mm
- D3: 12 mm
- H: 37 mm
- H1: 11 mm
- H2: 17 mm
- T: 12 mm