Quotes (0) All Categories > Turning Blanks > Diamond Negative > part no. SPR55R04-NEG All CategoriesAll Categories Turning BlanksTurning Blanks Diamond NegativeDiamond Negative part no. SPR55R04-NEG part no. SPR55R04-NEG, Diamond Negative with Hole And Dbl. Countersink, thickness 0.261 / 0.267 in SPR55R04-NEGDiamond Negative with Hole And Dbl. Countersink, thickness 0.261 / 0.267 in Request Information Email This Page Download PDF Download PDF Printable Page DOWNLOADS ultra-met grade offerings standard stock blank pricing /Asset/a1050.jpg 1 /Asset/a1050.jpg Close Window Unit of Measure Imperial Metric Both dimensional specification | grade availability dimensional specification Thickness (t) N/A 0.261 / 0.267 in Inscribed Circle (i.c.) N/A 0.580/0.586 in Angle (a) N/A 80 º hole N/A 0.207 / 0.219 in TO N/A 0.328 / 0.340 in grade availability Grade Availability N/A Available on Request