UNI 4534-1964
ISO metric threads with a triangular profile. Prescribed practice. Diameter and pitches.

Standard No.

UNI 4534-1964

Release Date

1964

Published By

IT-UNI

Latest

UNI 4534-1964

Scope

It concerns triangular profile ISO metric threads (derived from the ISA thread system). The threads for bolts are reported in UNI 4536-64. guidelines for choosing diameters and pitches. Profile: UNI 4533-64. Designation. Screw sections. Table: series of diameters and pitches.

UNI 4534-1964 history

• 1964 UNI 4534-1964 ISO metric threads with a triangular profile. Prescribed practice. Diameter and pitches.