Description:
Mushroom knobs in black thermoplastic with selectable cap colour.

Material:
- Knob: Black thermoplastic
- Steel version: Bush / screw grade 5.8 steel
- Stainless-steel version: Bush / screw stainless steel 1.4305

Version:
- Steel: Trivalent blue passivated
- Stainless steel: Bright

Colour Coding:
- Black grey RAL 7021: no colour code required
- Pure orange RAL 2004: code 1
- Signal green RAL 6032: code 2
- Traffic blue RAL 5017: code 3
- Light grey RAL 7035: code 5
- Traffic red RAL 3020: code 6
- Colza yellow RAL 1021: code 7

Ordering Note:
- Add the desired cap-colour code to the order number.
- No colour code is required for black-grey caps.

Variant:
- Thread type: External thread
- Component material: Stainless Steel 1.4305
- Cap colour: Colza Yellow RAL 1021

Dimensions:
- D: M4
- D1: 21 mm
- D2: 12 mm
- D3: 19 mm
- H: 21 mm
- H1: 10 mm
- L: 10 mm