The 17-Degree Bur Sterling Silver & Yellow Gold Filled "These tools are made to

"These tools are made to very precise specifications within extremely close tolerances

The Ultra Flush cutting edge leaves a completely flat surface on one side of the cut

corresponding to Twist Drill sizes #80–#71

The 7500 series features 3M's Cool-Flow exhalation valve

For genuine Swiss Made slim pillar files

The 17-Degree Bur Sterling Silver & Yellow Gold Filled "These tools are made toThe 17 degree bur is used to match the standard 17 degree taper found on most round tapered prong and bezel settings to a shank. This solves the problem of having to hand file correct profile on a shank to match a settings profile. Just drill the shank with this bur and the result is a clean, accurate fit with no rocking, no gaps, and in most cases, no need for secondary correction The 17 Degree Bur is engineered to solve one of the most common