Description:
Knurled knobs with stainless steel metal parts.

Material:
- Knob: Thermoplastic, black grey
- Bush and screw: Stainless steel 1.4305

Finish:
- Stainless steel: Bright

Version:
- Form D: Tapped bush without cap
- Form K: Tapped bush with cap
- Form L: External thread

Ordering Notes:
- Cap colour is encoded in the order number for capped versions.
- Black grey RAL 7021 requires no colour code.
- Cap colours: black grey RAL 7021; pure orange RAL 2004; signal green RAL 6032; traffic blue RAL 5017; light grey RAL 7035; traffic red RAL 3020; colza yellow RAL 1021.
- External-thread order numbers include thread length L.

Variant:
- Form K, tapped bush with cap
- Cap colour: Colza Yellow RAL 1021

Dimensions:
- D: M12
- D1: 63 mm
- D2: 22 mm
- H: 41 mm
- H1: 17 mm
- T: 18 mm