Boring Bars provide deep cutting.
Press Release Summary:

Original Press Release:
Thinbit® Mini-Bore® Boring Bars
THINBIT®, manufactured by Kaiser Tool Company, is pleased to announce the expansion to its selection of MINI-BORE® indexable boring bars to include carbide trigon bars.
These bars have superior rigidity and yield better surface finishes, deeper cutting depths and longer extension ratios. Available in 3/16", 1/4" and 3/8" diameters for WCGT style .156", .187" and .250" IC inserts.
These tools, along with the entire THINBIT® line of cutting tools, will be on display at WESTEC 2004 in Booth Number 4041.