MATERIAL:

• NUT: Corrosion resistant steel Z6NCT25 or equivalent, heat treated.
• BRACKET: Corrosion resistant steel Z6CNT18-10 or Z10CNT18 or equivalent.

SURFACE TREATMENT:

• NUT & BRACKET: Silver plate 5 to 7 µm in accordance with EN 2786.

CLASSIFICATION: 1100 MPa (at ambient temperature) / 425°C.

THREAD:

• PROFILE: ISO M in accordance with NF L 05-220.
• TOLERANCES: in accordance with NF L 05-224.

MARKING: -SD + letter C in accordance with NF L 22-036 on the area indicated on the drawing.

QUALIFICATION AND ACCEPTANCE CONDITIONS: In accordance with NF L 22-500 (Except torques).