30x12x1.5mm Rectangular Carbide Insert Knife with Two Sharp Edges Length: 30 mm Width: 12 mm Thickness: 1.5 mm Sharp Edges: 2 Bevel Angle: 35 degrees Holes: 2 USA C3 or ISO K10 indexable carbide inserts are harder over HRA92.9 with tensile strength over 2350 Newton per square millimeter of 341psi. The inserts are pressed, and heated on world-class machines. All the surfaces are precision ground automatically. These processes ensure longer blade life and reliable interchangeability for a smoother cutting finish. A a tool manufacturer, we supply the best quality inserts for spiral/helical cutterhead, groove cutters, profile cutters, etc... The inserts can be made in custom sizes for different applications, and materials. Price is per knife and sold in a box of ten 10. Please order in multiplies of 10 (e.g. 10, 20, 30, 40 etc.)