Description:
Mushroom knobs with internal thread.

Material / Finish:
- Steel: Electro zinc-plated and trivalent blue passivated
- Stainless steel 1.4305: Fine turned or abrasive blasted, according to variant
- Stainless steel 1.4404: Bright or abrasive blasted, according to variant
- Aluminium: Natural tone anodised

Version:
- Internal thread

On Request:
- External threads

Variant:
- Main material: Steel
- Surface finish: Blue-Passivated

Dimensions:
- D: M8
- D1: 33 mm
- D2: 18 mm
- H: 33 mm
- H1: 16 mm
- T: 16 mm