Quotes (0) All Categories > Turning Blanks > Diamond Negative > Diamond Negative with Hole > part no. CNRA520 All CategoriesAll Categories Turning BlanksTurning Blanks Diamond NegativeDiamond Negative Diamond Negative with HoleDiamond Negative with Hole part no. CNRA520 part no. CNRA520, Diamond Negative with Hole, thickness 0.135 / 0.143 in CNRA520Diamond Negative with Hole, thickness 0.135 / 0.143 in Request Information Email This Page Download PDF Download PDF Printable Page DOWNLOADS ultra-met grade offerings standard stock blank pricing /Asset/a1004.jpg 1 /Asset/a1004.jpg Close Window Variable thickness quoted on request. Unit of Measure Imperial Metric Both dimensional specification | grade availability dimensional specification Thickness (t) N/A 0.135 / 0.143 in Inscribed Circle (i.c.) N/A 0.639/0.645 in Radius (r) N/A 0 in Angle (a) N/A 80 º hole N/A 0.248 / 0.252 in grade availability Grade Availability N/A Available on Request