Captive Hollowing Set of Three Tools

This set of tools has the same geometry as the # 1 Taper set of 3 except the shaft is shorten to fit into the captive bars.

Tapered Deep Hollowing System

The Tapered Deep Hollowing System was designed by Mark St. Leger and is manufactured by Mike Hunter.  The components to this new system are two boring bar choices (listed below) and a three-tool cutter package.

Boring Bars

1. a 16” long, 1” diameter boring bar with an adapter size of ¾” at one end and a 3/8” tool receptacle with 4 grub screws at the other end.
2. a 12” long, ¾” diameter boring bar with a 3/8” tool receptacle again with 4 grub screws.