Quotes (0) All Categories > Turning Blanks > Triangle Positive > part no. (example: VNRA321) TPRA21.51 All CategoriesAll Categories Turning BlanksTurning Blanks Triangle PositiveTriangle Positive part no. (example: VNRA321) TPRA21.51 part no. (example: VNRA321) TPRA21.51, Triangle Positive Cutting Tool Inserts with ISO Hole TPRA21.51Triangle Positive Cutting Tool Inserts with ISO Hole Request Information Email This Page Download PDF Download PDF Printable Page /Asset/TPRA21-51.jpg /Asset/TPRA21-51.jpg Close Window Unit of Measure Imperial Metric Both Classifications | dimensional specification Classifications Brands N/A Ultra-Met® Shape N/A Triangle dimensional specification Inscribed Circle (i.c.) N/A 0.266/0.274 in Thickness (t) N/A 0.104/0.114 in Hole (h) N/A 0.124/0.130 in Radius (r) N/A 1/64 in