protection guard

700 Nm for particularly challenging working environments

17 Different Sizes

Takes Binzel 36 style parts

Maximum freedom of movement

ITM Holemaker Spiral Step Drill Bits Accessories protection guardThe Titanium Nitride coating significantly increases the tool life by providing the following benefits: Increased 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 Variants Code Product Name Specifications SD4 20MM HOLEMAKER STEP DRILL SPIRAL FLUTE, 9 STEPS, 3MM STEP LENGTH, 4 20MM Sizes: 4, 6, 8, 10, 12, 14, 16, 18, 20mm Step Length: 3. 0mm