Carbide Brazed Tip Turning Tools A selection of carbide tipped brazed turning tools manufactured in 2 standard grades P30 - Blue - A general purpose grade for small workshops where a variety of steels are machined. Suitable for roughing of steel and castings using moderate feeds and moderate to low cutting speeds K20 - Red - For finishing and light roughing of cast iron and other short chip materials using fine to moderate feeds and moderate to high cutting speeds Also suitable for milling operations All dimensions are approximate