Howmet Fastening Systems
Howmet Fastening Systems
Phone: Sales +1 800 992 4444
Technical Support +1 310 784 6409
Email: HFSTechSupport@howmet.com
Website: www.hfs.howmet.com
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MATERIAL: Alloy steel heat treated 25CD4 or equivalent.

SURFACE TREATMENT: Cadmium in accordance with EN2133 Class B + dry film lubricant in accordance with EN2491.

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.
Miniature Anchor Nut – One Lug- Deep Counterbore – 900MPa / 235°C – Cadmium Lubricated
Unit of Measure
1 

Item #

A - MAX

B ±0.1

C ±0.2

E - REF

F ±0.05

G ±0.1

J +0.2 / 0

L - MAX

Thread

4JM109M 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 M4 x 0.7 – 4H5H
5JM109M 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 M5 x 0.8 – 4H5H
6JM109M 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 M6 x 1.0 – 4H5H
Unit of Measure
1