MATERIAL: - Nut : Corrosion resistant steel Z6NCT25 or equivalent in accordance with TR 3791, heat treated.
- Bracket: Corrosion resistant steel Z6NCT25 or equivalent in accordance with TR 3791, heat treated.
- Clip : Corrosion resistant steel Z12CN18 or equivalent in accordance with TR 3791, heat treated.
SURFACE TREATMENT: - Nut : Silver plate 5 µm mini in accordance with EN 2786.
- Bracket : Passivation in accordance with EN 2516.
- Clip : Passivation in accordance with EN 2516.
CLASSIFICATION: 1100 MPa (at ambient temperature) / 425°C
THREAD: - PROFILE : ISO M in accordance with NFL 05220 or AICMA 0501A.
- TOLERANCES : in accordance with NFL 05224 or AICMA 2011A.
TOLERANCES OF FORM AND POSITION: In accordance with ISO 8788.
MARKING: - SD + letter C in accordance with NFL 22036 on the area indicated on the drawing.
QUALIFICATION AND ACCEPTANCE CONDITIONS: NFL 22500 or AICMA 2053.