These high speed steel drill bits are manufactured with a titanium nitride coating for enhanced strength and longer life. Fully ground with a 135° split point for precise centring to prevent drill wander. Draper Titanium Series drill bits work best in conjunction with a cooling agent. Suitable for use with steel, non-ferrous metals, wood and hard plastic. Compatible with a standard 10/13mm chuck. Sizes 1.0-13.0mm. Supplied inside a plastic case.Manufactured to DIN338 and DIN1414-2Features & Benefits:• Titanium nitride coating for enhanced strength and longer life• Fully ground with a 135° split point for precise centring• Best used in conjunction with a cooling agent• Suitable for use with steel, non-ferrous metals, wood and hard plastic• Compatible with a standard 10/13mm chuck• Sizes 1.0-13.0mm• Supplied inside a plastic caseSpecifications:Drill bit type: HSSDrill tip angle: 135° Flute: SingleConnection: Round shankConstruction: Fully groundContents:25 x HSS Titanium Nitride Coated D