HomeWoodturning ToolsWoodturning AccessoriesCuttersTurnMaster CuttersExcelsior TurnMaster Square Cutter – Titanium Nitride Coated (TIN) (RSTM-GT3) Excelsior TurnMaster Square Cutter – Titanium Nitride Coated (TIN) (RSTM-GT3) Designed for generating square sections such as shoulders or tenons where a turned part is to be assembled into a hole – a chair leg is good example. This cutter is also useful on the outside of a round form, as well as long straight sections on spindle work. Excellent results can be achieved in shear scraping mode with cutter especially effective shear scraping on the outside of a bowl. Manufactured with Robert Sorby high speed steel and coated with durable titanium nitride coating ensures this cutter delivers outstanding material reliability. Sharpening: Use a diamond file or honing stone around the profile of the cutter. To gain best results and increase the longevity of the cutter this simple procedure should be done little and often. Use the TurnMaster cutter holder to reshape the profile on the Robert Sorby ProEdge using a zirconium or ceramic belt or on a grinding wheel using a standard abrasive material. Sharpens to: 0.15 -0.2 microns Hardness of coating up to 85RC Material: TIN coating on M2 HSS Related Products: These cutters are designed specifically for the TurnMaster For more information: Read more about the features and benefits of Robert Sorby TurnMaster Download our sharpening guide here Watch the Robert Sorby film on sharpening hints and tips Look at our guide to sharpening abrasives Categories: Cutters, TurnMaster Cutters, Woodturning Accessories, Woodturning Tools Find a Stockist Additional Information Warranty SKU Code Description/Type Cat Page Number RSTM-GT3 TurnMaster Excelsior Square Cutter Robert Sorby tool sets now come with a lifetime guarantee. Simply follow the link below and complete the registration form, ensuring that you include the set’s registration number. You will find this on the warranty card that came with your tool set. Note: this warranty does not cover wear through natural usage or damage caused by misuse or negligence. Please retain your receipt as proof of purchase. Register your product Share this on: Related products Bowl Finishing Outboard Scraper (8007) Square End Scraper (823) Oval Skew Chisel (809) Diamond Section Parting Tool (831)