Soba 2 1/2 inch Boring Head with R8 Bridgeport Integrated Shank

This boring head is of a single piece rugged construction allowing for a smooth and chatterless operation. It has a hardened slide and a nice black oxide finish.
Head Diameter- 2 1/2 ”
Overall Length 3 3/16″
Boring Bar Hole 1/2″
Centre Distance between Hole – 3/4″
Slide radial Travel – 3/4″
Minimum bore- 5/16
Maximum bore – 5″