Precise Indexable Boring Tool Set w/3″ Boring Head, R8 Shank & 8 Boring Bars – 1001-0205

• Boring head features a 1-1/2″-18 threaded back so you can change shanks as needed.
• A micrometer lead screw provides 0.001″ direct reading accuracy and makes adjusting easy.
• Boring head offset is 1″.
• Minimum boring diameter is 0.394″.
• Maximum boring diameter is 7.874″.
• Maximum boring depth is 3.150″.
• The crosshole is 3/4″.
• R8 shank has a drawbar end thread of 7/16″-20.
• The included indexable boring bars come with TCMT 21.5 C6 carbide inserts for steel and alloy.
• The set also comes with torx & l-shape hex wrenches and a fitted carrying case.
• A micrometer lead screw provides 0.001″ direct reading accuracy and makes adjusting easy.
• 1 DIV = 0.001 which means when turning the dial by 1 division/graduation, on the 0-100 dial, the boring head’s travel is 0.0005″ in radius movement, 0.001″ in diameter movement.