Description
SPIRAL FLUTE STEP DRILLS • The 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: 7 10.5 12.5 14.5 16.5 18.5 20.5 23.5 25.5 30.5 32.5 38.5 40.5mm Step Length: 3.0mm Overall Length: 115mm Shank: 12mm
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