MATERIAL: Corrosion resistant steel Z6NCT25 heat treated according to EN 2399 or AMS 5731, AMS 5732, AMS 5853.

SURFACE TREATMENT: Silver plate 5 to 15 µm in accordance with EN 2786.

CLASSIFICATION: 1100 MPa (at room temperature) /650°C.

THREAD: MJ in accordance with ISO 5855-2

TOLERANCES OF FORM AND POSITION: In accordance with ISO 8788.

MARKING: MJ - SD in accordance with EN 2424 - Category N + letter C on the area indicated on the drawing.

QUALIFICATION AND ACCEPTANCE CONDITIONS: EN 3004 to exception of self-locking torques valid for 3 assemblies and disassemblies.

Contact Alcoa for the diameter/type in manufacturing.
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Item #

A - MAX

B - MIN

D - MIN

D - MAX

G +0,25 / 0

H - MAX

K ±0,25

Thread

N/A 9.800 mm N/A 8.300 mm N/A 5.200 mm N/A 5.800 mm N/A 1.500 mm N/A 7.200 mm N/A 5.300 mm N/A MJ5 x 0.8 - 4H6H
N/A 10.900 mm N/A 9.800 mm N/A 6.000 mm N/A 7.100 mm N/A 2.000 mm N/A 8.200 mm N/A 6.000 mm N/A MJ6 x 1 - 4H5H
N/A N/A N/A N/A N/A N/A N/A N/A MJ7 x 1 - 4H5H
N/A 13.600 mm N/A 12.800 mm N/A 8.000 mm N/A 9.100 mm N/A 2.000 mm N/A 10.500 mm N/A 7.300 mm N/A MJ8 x 1 - 4H5H
N/A 16.800 mm N/A 15.800 mm N/A 10.300 mm N/A 11.200 mm N/A 2.500 mm N/A 13.000 mm N/A 8.900 mm N/A MJ10 x 1.25 - 4H5H
N/A 19.900 mm N/A 18.600 mm N/A 12.000 mm N/A 13.200 mm N/A 3.500 mm N/A 15.000 mm N/A 10.200 mm N/A MJ12 x 1.25 - 4H5H
N/A 23.000 mm N/A 21.500 mm N/A 14.400 mm N/A 15.500 mm N/A 3.500 mm N/A 17.500 mm N/A 12.400 mm N/A MJ14 x 1.5 - 4H5H
N/A 26.000 mm N/A 24.500 mm N/A 16.400 mm N/A 17.500 mm N/A 3.500 mm N/A 20.000 mm N/A 13.500 mm N/A MJ16 x 1.5 - 4H5H
N/A 29.100 mm N/A 27.500 mm N/A 18.400 mm N/A 19.500 mm N/A 5.000 mm N/A 22.500 mm N/A 16.400 mm N/A MJ18 x 1.5 - 4H5H
N/A 32.300 mm N/A 30.500 mm N/A 20.400 mm N/A 21.500 mm N/A 5.000 mm N/A 25.000 mm N/A 17.900 mm N/A MJ20 x 1.5 - 4H5H
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