Omni 591 - 1/2” center height for NSK Astro Series
This 5-100 is on center with 1/2” center height machines
5-30 - 30mm bore
5-40 - 40mm bore
The 5-30 and 5-40 hold the spindles above center
Here is a 30 degree holder with .9" bore and 1/2" center
specify spindle diameter
30mm - 1.032” for Foredom
30mm - .9” for Astro system
30mm - .91” for Astro series 40mm - 1” for Foredom
40mm - 1.032” for Foredom
40mm - .9” for Astro system
40mm - .91” for Astro series
30mm bore.
TNUT-P for Tool post
TNUT-A for 300P, 700,800 TNUT-B for 100, 300 TNUT-1