SANS 9177-3:2009
Mechanical pencils Part 3: Black leads - Bending strengths of HB leads

Standard No.

SANS 9177-3:2009

Release Date

2009

Published By

ZA-SANS

Latest

SANS 9177-3:2009

Scope

Specifies bending strengths and a test method for black leads of HB hardness degree used for mechanical pencils for technical drawings.

SANS 9177-3:2009 history

• 2009 SANS 9177-3:2009 Mechanical pencils Part 3: Black leads - Bending strengths of HB leads