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ISO/FDIS 24987

Tools for pressing — Trombone head punches

General information

50.20     Jun 23, 2026

ISO

ISO/TC 29/SC 8

International Standard

25.120.10  

Scope

This document specifies the basic dimensions and tolerances, in millimetres of trombone head punches.
This document gives examples of materials and their hardness, and specifies the designation of punches in accordance with this document.
These punches are available with shank diameters, D, from 4 mm to 20 mm.
The main use of the punches specified in this document is for punching holes in steel sheet. They may also be used for punching in other materials.
The setting up system for trombone head punches is défined in Annex A.

Life cycle

NOW

PROJECT
ISO/FDIS 24987
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Jun 23, 2026

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