1/2" Straight Boring Head Shank - 7/8" 20 Mounting Thread - Straight Shank 60 mm (2.4") Long, LittleMachineShop.com (4824)
This boring head shank has a 1/2" straight shank on one end and a 7/8 - 20 thread on the other. The straight shank is 60 mm (2.4") long The boring head shank adapts our 2" boring heads to any machine that can hold a 1/2" straight shank.
