- Wide base bearing surface that assures maximum rigidity even when the bar holder is in an off-set position.
- This wide base design is a recent Criterion innovation that increases bearing surfaces by 50 percent over the older models.
- A choice of either 3/8 inch or 1/2 inch double hole bar holder with a 1/2 inch cross hole is available.
- The unit has a 7/8 inch-20NC threaded back and also features a direct reading dial screw.
- Here is a sturdy unit of extended boring range, capable of peeling off heavy roughing cuts as well tool of extreme sensitivity.
- The direct reading adjusting screw is ground after hardening and a plainly marked dial face in non-reflecting satin chrome allows easy reading and adjustments of .005 or less.
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