Groove 'N Turn inserts for grooving, face grooving, threading and turning are designed for applications requiring the ability to both groove and turn. The grooving and face grooving tools are available in sizes 0.004" through 0.15" in 0.001" increments. Face grooving tools have major diameters starting at 0.3". Threading tools can produce eight threads per inch and greater. All inserts are capable of working against a shoulder and are fully compatible with existing Littlebit toolholders. Inserts are made from two grades of impact-resistant, submicronic grain carbide or high speed steel and stocked for 24-hour shipments.