MATERIAL: Alloy steel heat treated 25CD4 or equivalent.

SURFACE TREATMENT: Cadmium in accordance with EN2133 Class B.

CLASSIFICATION: 900 MPa (at room temperature) / 235 °C.

THREAD:
  • PROFILE: ISO M in accordance with NFL 05220.
  • TOLERANCES: in accordance with NFL 05224.
TOLERANCES OF FORM AND POSITION: In accordance with ISO 8788.

MARKING: -SD in accordance with NFL 22036 on the area indicated on the drawing.

QUALIFICATION AND ACCEPTANCE CONDITIONS: NFL 22500.

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

A - MAX

B ±0.1

C ±0.2

E - REF

F ±0.05

G ±0.1

J +0.2 / 0

L - MAX

M - REF

Thread

4JM109 N/A 5.200 mm N/A 6.000 mm N/A 12.500 mm N/A 0.900 mm N/A 4.200 mm N/A 5.900 mm N/A 2.500 mm N/A 8.100 mm N/A 2.500 mm N/A M4 x 0.7 – 4H5H
5JM109 N/A 5.200 mm N/A 7.000 mm N/A 14.000 mm N/A 0.900 mm N/A 5.200 mm N/A 7.000 mm N/A 2.500 mm N/A 9.000 mm N/A 2.500 mm N/A M5 x 0.8 – 4H5H
6JM109 N/A 7.100 mm N/A 8.000 mm N/A 16.000 mm N/A 1.150 mm N/A 6.200 mm N/A 8.500 mm N/A 2.500 mm N/A 10.000 mm N/A 3.000 mm N/A M6 x 1.0 – 4H5H
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