Insert Style: WNMG Insert Size: 431 Material: Carbide Inscribed Circle Inch: 1/2in Length Decimal Inch: 0.343 Thickness Inch: 3/16in Corner Radius Inch: 1/64in Manufacturer’s Grade: KTM10U Sharp cutting edge generate low cutting force. Specially designed tough main cutting edge. Suitable for cutting of low carbon steel, stainless steel, aluminum.