BS 3821-4:1982

This standard BS 3821-4:1982 Specification for hardmetal dies and associated hardmetal tools is classified in these ICS categories:

• 25.120.20 Rolling, extruding and drawing equipment

This International Standard lays down the dimensions and tolerances of as-sintered hardmetal pellets used in heading dies.

NOTE 1 As defined in ISO 3252, the term “hardmetal” may be used synonymously with “cemented carbide”.

NOTE 2 In the United States, the term “nib” is used instead of the term “pellet”.