This is the M3 disk and hollow ball styli #A-5003-7098.
Disc styli are designed to inspect undercuts and grooves within bores which may be inaccessible to star styli. A range of disc styli offers a radius end roller to enable groove width measurement. Ceramic tips are lightweight, hardwearing and non-magnetic.
|Thread mount (DG)||M3|
|Disk Depth (B)||1.5 mm|
|Roller Depth (L)||N/A|
|Stem diameter (DS)||4.0 mm|
|Disk diameter (DK)||30.0 mm|
|Stem material||Stainless Steel|