Grizzly G9324 Boring Head 3" Boring Combo Set R-8 Only New

The Grizzly G9324 Boring Combo Set is a 3-inch boring head package designed for milling machines with an R-8 spindle. It includes a 3-inch boring head, an R-8 shank with 1-1/2 inch-18 TPI, and a 12-piece 3/4 inch boring bar set for a wide range of boring tasks.

Built for rigidity and accuracy, this set is made to stay stable even when the boring bar holder is used in an offset position. Hardened and ground adjusting screws, along with a wide-base design, help provide smooth adjustment, dependable performance, and long service life in regular shop use.

With multiple boring bar diameters and cutting depths included, this combo set is a practical choice for machinists, toolrooms, and serious metalworking shops that need versatility in one setup. It is intended for users who want a complete boring solution for precision hole sizing and finishing on R-8 machines.