ISO 2306:1972

Drills for use prior to tapping screw threads

Publication date: Jul 1, 1972

General information

Current stage: 90.93 Effective date: Oct 31, 2022

Originator: ISO

Owner: ISO/TC 29/SC 9

Type: International Standard

ICS: 25.100.30

Languages: French English

Buying

Status: Published

PDF - EC$120.40

Paper - EC$120.40

PDF and Paper - EC$240.80

Language

Language in which you want to receive the document.

Scope

Specifies the sizes of these drills for ISO metric threads (tables 1 and 2). ISO inch threads (tables 3 and 4) and pipe threads (tables 5 and 6). Applies to screw threads of normal length of engagement, the drill diamter being approximately equal to the nominal diameter of the thread minus the pitch. The sizes (except for those sizes indicated by an asterisk) have been selected from ISO 235 and are to be used in the future.

Life cycle

NOW

PUBLISHED
ISO 2306:1972
90.93 Standard confirmed
Oct 31, 2022

REVISED BY

ABANDON
ISO/DIS 2306

Preview

Only informative sections of projects are publicly available. To view the full content, you will need to members of the committee. If you are a member, please log in to your account by clicking on the "Log in" button.