UNI 5544-1965
Iso metric threads with triangular profile. Limits of size of the close class threads with 4h5h/4h tolerance, for bolts, screws and nuts.

Standard No.

UNI 5544-1965

Release Date

1965

Published By

IT-UNI

Latest

UNI 5544-1965

Scope

Reports the limit dimensions for screws with 4h tolerance (coarse pitch and fine pitch) and for nuts with 4h5h tolerance (coarse pitch and fine pitch: see UNI 4536-64). Unit of measurement: millimeters. Screw lengths. Coated threads.

UNI 5544-1965 history

• 1965 UNI 5544-1965 Iso metric threads with triangular profile. Limits of size of the close class threads with 4h5h/4h tolerance, for bolts, screws and nuts.