Features Adopted of high-quality carbide tips, exquisite workmanship, durable in use. Good chemical stability, heat resistance, good wear resistance, high hardness. Mainly used for ordinary steel and stainless steel processing. Easy to use, not easy to rust. This set contains 10 pieces of carbide inserts, making it convenient to replace the broken ones. Specifications: Model: DCMT11T304-HM YBC251. Material: carbide Size: 19.5 x 11 x 4 mm / 0.77 x 0.43 x 0.16 inches (1-3 mm error). Colour: gold. Quantity: pack of 10. Blade description: D = blade shape, diamond 55 degrees. C = clear angle is 7 degrees. M = blade tolerance (you can ignore it). 11 = cutting edge is 11 mm. T3 = blade thickness, T3 = 3.97 mm. 04=R degree of sharp angle of the blade, (02=R0.2, 04=R0.4, 08=R0.8). HM = groove blade. YBC251 = machining material (suitable for machining half steel). Packaging: plastic box (yellow, red, blue, random) Box contents: 10 x CNC Carbide Tip InsertsNote:Please allow 1-3mm error due to manual measurement, thanks for your understanding! Package List