BS EN ISO 18388:2019

This standard BS EN ISO 18388:2019 Technical product documentation (TPD). Relief grooves. Types and dimensioning is classified in these ICS categories:

• 01.100.20 Mechanical engineering drawings

This International Standard specifies a series of relief grooves for shafts and holes, intended for general use in mechanical engineering.

It also intends to avoid unnecessary multiplicity of tools by a restricted selection of groove-types and dimensional versions.

NOTE The shape and the dimensions of the relief grooves type G and H correspond with the “Indexable hard material inserts” according to ISO 6987.