Description
SDST5-25MM STRAIGHT FLUTE STEP DRILLSThe Titanium Nitride coating significantly increases the tool life by providing the following benefits: Increases surface hardness to 85HRC, Ceramic surface reducing friction by up to 30% Especially resistant to cold welding. Suitable for cutting a wide range of materials.Sizes Included: 5 7 9 11 13 15 17 19 21 23 25mm, Step Length: 3.0mm, Overall Length: 83.0mm, Shank:10mm