Diatest - Replacement NEEDLES - for Split Ball Probes
- Precision ground 62-64 HRC steel needles, with lapped taper, also available in solid carbide for .0375" diameter probes and larger.
- The lapped taper of the needle transfers the spreading movement of the split ball probe in a 1:1 ratio with the indicator
- Each Inner knife edge of split ball makes single point contact with accurately ground cone, transferring gauging motion through the needle to the indicator
