Products: Grease Nipples - Ball Types
Examples for Ball Types:

Ball type hexagon version, DIN 3402, straight version

Ball type hexagon version, DIN 3402, angled version 45°

Ball type hexagon version, DIN 3402, angled version 90°

All pictures of Ball types show high zinc plated and blue passivated versions:

 

Ball type with plain shank, straight version

Ball type with plain shank, angled versions 45° and 90°