Norton PRO CB Beton Diamond Core Drill Bits Size:57mm 4 mm (1/4″) No Load

4 mm (1/4″) No Load Speed (RPM) 8

Powerful motor: Input 840W with high overload durability compared to 800W class Hitachi disc grinders with slide switches

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High Temperrature(L/min)   50-600 Air Flow Low Temperature(L/min)     210-250

Norton PRO CB Beton Diamond Core Drill Bits Size:57mm 4 mm (1/4″) No LoadPRO CB BETON SOFT LASER Discover Norton Core Bits especially designed for drilling. Reinforced concrete, cured concrete, kerb stones, concrete, pipes, engineering bricks, facing bricks, refractory bricks, flagstones and paving stones, block paving, washed gravel concrete slabs, natural stone, flint, sandstone, limestone. Useful length: 450mm Connection: 1 1 4" UNC female thread Applications: Concrete, Reinforced concrete and hard building materials