Precise Boring Tool Combo Sets

• Includes a 2″ or 3″ Head, 3MT or R8 Shank
• The boring head bar holder moves freely and smoothly.
• The boring head design assures superior rigidity for chatter-free boring and precise hole size accuracy.
• The boring head has a hardened and ground adjusting screw designed for long lasting and trouble free use.
• The 3MT shank has a 3/8″-16 thread.
• 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, the boring head’s travel is 0.001″ in radius movement and 0.002″ in diameter movement.

1001-0107 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.