4" Fluted Coring Cup - Uses Rope Thread Shank

4" Fluted Coring Cup - Uses Rope Thread Shank
4" Fluted Coring Cup - Uses Rope Thread Shank
$629.66 /EACH
ItemDBC-PCN-4000
Cup only.

Requires a rope thread shank for drilling. Shanks are available for:
SDS Max Tools
Spline Tools

A starter bit to help with centering is available here.