Holemaker Step Drill Spiral Flute 4-20mm
Holemaker Step Drill Spiral Flute 4-20mm
Regular price$6570
$65.70
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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: 4 6 8 10 12 14 16 18 20mm Step Length: 3.0mm Overall Length: 74.5mm Shank: 8mm