DIY Boring Head Build Made From Scratch

Boring head 27/8-20 with mt2 shank 3/8-16 thread and 9pcs 1/2 shank boring high precision 2 boring head head size 2 boring bar hole 1/2 cross hole dia 1/2 maximum offset 5/8 thread 7/8-20 graduations 0.001/0-50 center distance bt 2 bottom hole 0.60 mt2 shank end thread 3/8-16the carbide tipped 9-piece boring bar set includes three different length boring bars each for minimum bores of 5/16, 7/16, and 9/16.