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 25CD4 or 30CD4 in accordance with TR 3791, heat treated for 40-43 HRC.

SURFACE TREATMENT: Cadmium plate 5µm mini in accordance with EN 2133 + dry film lubricant in accordance with EN 2491

CLASSIFICATION: 900 Mpa (at ambient temperature) / 235°C.

THREAD: MJ in accordance with ISO 5855-2

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

MARKING: MJ in accordance with EN 2424 – Category F, on the area indicated on the drawing.

QUALIFICATION AND ACCEPTANCE CONDITIONS: NFL 22500.
Unit of Measure

Specifications

A - MIN

 N/A 6.850 mm

A - MAX

 N/A 7.0 mm

C ±0,05

 N/A 5.660 mm

D ±0,05

 N/A 4.550 mm

F ±0,08

 N/A 1.000 mm

G - MAX

 N/A 5.000 mm

H - MAX

 N/A 4.800 mm

M ±0,05

 N/A 1.000 mm

V ±0,10

 N/A 0.600 mm

Approx. Weight

 N/A 0.044 Kg/100 Pcs

Thread Type

 N/A Metric MJ

Configuration 1

 N/A Clinch

Configuration 2

 N/A Fixed

Lock

 N/A Crimp Lock

Simplified Material

 N/A Alloy Steel

Strength

 N/A 125KSI - 900Mpa

Temperature

 N/A 450°F - 235°C

Thread

 N/A MJ4 x 0.7– 4H6H

Additional Information

Additional Information

 N/A Remove sharp edges 0,1 – 0,4