MATERIAL: - Nut : Corrosion resistant steel Z6NCT25or 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 : Passivation in accordance with EN 2516.
 - 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.