Precise Drill Reamer Line

The full line of stock standard Quadro Plus high performance drill reamers with two additional reaming edges for extra precision is available for diameters from 3 mm (0. 118") to 20 mm (0. 787") in two lengths--6 × diameter without internal coolant or 12 × diameter with through the tool coolant. The new drill reamers are rigid, high productivity carbide tools designed to hold tight diameter tolerances of 0.

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The full line of stock standard Quadro Plus high performance drill reamers with two additional reaming edges for extra precision is available for diameters from 3 mm (0.118") to 20 mm (0.787") in two lengths--6 × diameter without internal coolant or 12 × diameter with through the tool coolant. The new drill reamers are rigid, high productivity carbide tools designed to hold tight diameter tolerances of 0.008" or better and to achieve hole straightness and roundness. They deliver a surface finish said to eliminate the need for subsequent finish reaming and permit high feed rates for increased productivity. These drill reamers for centering, drilling and reaming in one operation feature four cutting edges, four margins and a second pair of guide pads. The Quadro Plus adds two additional reaming edges or six effective margins. Its high performance point geometry produces high penetration rates. Its submicron carbide grade combines high hardness with high transverse rupture strength. It creates a chip form that is easily evacuated from the hole. The standard Quadro Plus is uncoated, with TiAIN hardlube coatings available upon request. Applications include gray cast iron, malleable iron, ductile cast iron, copper alloys, aluminum alloys and graphite. These drill reamers are especially suitable for high production operations where holding close tolerances with few tools is necessary.