| http://www.w3.org/ns/prov#value | - Shown in FIG. 1 is a segmented preferred embodiment of the invention of a rotatable cutter bit 1 having a diamond coated cemented tungsten carbide tip 2 having a rearward radiused cylindrical stem surface that mates, and is brazed, into the radiused segment cavity 4 of protective middle body 3. [0011] The cemented carbide body 3 is joined to a steel body 15 by a braze joint 6.
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