Quotes (0) All Categories > Turning Blanks > Diamond Negative > part no. PRNR630 All CategoriesAll Categories Turning BlanksTurning Blanks Diamond NegativeDiamond Negative part no. PRNR630 part no. PRNR630, Diamond Negative, thickness 0.198 / 0.206 in PRNR630Diamond Negative, thickness 0.198 / 0.206 in Request Information Email This Page Download PDF Download PDF Printable Page DOWNLOADS ultra-met grade offerings standard stock blank pricing /Asset/a1034.jpg 1 /Asset/a1034.jpg Close Window Unit of Measure Imperial Metric Both dimensional specification | grade availability dimensional specification Thickness (t) N/A 0.198 / 0.206 in Inscribed Circle (i.c.) N/A 0.764/0.770 in Radius (r) N/A 0 in a N/A 87 º grade availability Grade Availability N/A Available on Request