Description: Made from high quality HSS steel, with the Titanium coated to reduce friction and heat Titanium nitride coated bits last longer than regular steel countersink bits The bits can be used on wood, plastic, aluminium, insulating plate and PVC board, etc 4241 HSS steel only suit for pieces with low hardness, do not use for metal with this bits Commonly used Sizes Including 6mm ,8mm, 9mm, 12mm, 16mm & 19mm Specification: Material: 4241 HSS / High Speed Steel Surface Treatment: Titanium Coated gold Dimension: 6mm/ 0.24inch; 8mm/ 0.31inch; 9mm/ 0.35inch; 12mm/ 0.47inch; 16mm/ 0.63inch; 19mm/ 0.75inch Package Includes: 1x Set (6 pieces) Countersink Drill Bit Note: The colors may be different for the different display, please understand Please allow 1-3mm error due to manual measurement, make sure you do not mind before you bid
