ISO 3438:2013

Subland twist drills for holes prior to tapping screw threads

Publication date:   May 2, 2013

General information

90.93 Standard confirmed   Feb 25, 2019

ISO

ISO/TC 29/SC 9 Tools with defined cutting edges, holding tools, cutting items, adaptive items and interfaces

International Standard

25.100.30   Drills, countersinks, reamers

Buying

Published

Language in which you want to receive the document.

Scope

ISO 3438:2013 specifies the dimensions of subland twist drills with Morse taper shanks and cylindrical shanks for holes prior to tapping screw threads.
The drills are designed to produce holes prior to tapping metric threads (coarse pitch series) over a selected range of:

M8 to M30 for subland twist drills with Morse taper shanks;
M3 to M14 for subland twist drills with cylindrical shanks.

ISO 3438:2013 complements ISO 2306.

Life cycle

PREVIOUSLY

Revises
ISO 3438:2003

Revises
ISO 3439:2003

NOW

PUBLISHED
ISO 3438:2013
90.93 Standard confirmed
Feb 25, 2019